GM Service Manual Online
For 1990-2009 cars only
Table 1: Instrument Panel Cluster (IPC) Indicators
Table 2: Driver Information Center (DIC) Indicators
Table 3: Head Up Display (HUD) Indicators
Table 4: Systems Monitor Indicators

The indicator description and operation uses generic indicator names. Refer to the table below for the indicators that are available on this vehicle:

Instrument Panel Cluster (IPC) Indicators

Vehicle Indicator Name

Indicator Description Title

ABS symbol

ABS Indicator(s)

AIR BAG

Air Bag Indicator(s)

ANTI-LOCK

ABS Indicator(s)

BRAKE

Brake System Indicator(s)

Brake symbol

Brake System Indicator(s)

Charging System symbol (with Boost Gauge)

Charging System Indicator(s)

Fasten Safety Belt symbol

Fasten Safety Belt Indicator

High Beam symbol

Lighting System Indicator(s)

km/h

km/h and MPH Indicator(s)

LOW TRAC

Traction Control System Indicator(s)

MPH

km/h and MPH Indicator(s)

SECURITY

Theft Deterrent Indicator(s)

SERVICE ENGINE SOON

Malfunction Indicator Lamp (MIL)

SERVICE VEHICLE SOON (with Volt Gauge)

Electrical System Indicator(s)

TRAC OFF

Traction Control System Indicator(s)

Turn Signal symbols

Lighting System Indicator(s)

Driver Information Center (DIC) Indicators

Vehicle Indicator Name

Indicator Description Title

ALARM OCCURRED - 40

Theft System Indicator(s)

BATTERY SAVER ACTIVE - 27

Charging System Indicator(s)

BRAKE FLUID LOW - 37

Brake System Indicator(s)

CALIBRATE COMPASS - 148

Compass Indicator(s)

CHECK CHARGE SYSTEM - 102

Charging System Indicator(s)

CHECK GAGES LOW FUEL - 11

Fuel System Indicator(s)

CHECK GAGES OIL PRESSURE - 35

Engine Oil Indicator(s)

CHECK GAGES TEMPERATURE - 44

Engine Coolant Indicator(s)

CHECK GAGES VOLT - 9

Charging System Indicator(s)

CHECK GAS CAP - 61

Fuel System Indicator(s)

CHECK TIRE PRESSURE - 144

Tire Pressure Indicator(s)

DRIVER DOOR AJAR - 140

Door Ajar Indicator(s)

ENGINE HOT A/C DISABLED - 16

Engine Coolant Indicator(s)

ENGINE OIL CHANGE NOW - 82

Engine Oil Indicator(s)

ENGINE OIL CHANGE SOON - 81

Engine Oil Indicator(s)

FRONT PASSENGER DOOR AJAR - 141

Door Ajar Indicator(s)

LEFT REAR DOOR AJAR - 142

Door Ajar Indicator(s)

OIL LEVEL LOW - 36

Engine Oil Indicator(s)

PARK BRAKE SET - 147

Brake System Indicator(s)

RIGHT REAR DOOR AJAR - 143

Door Ajar Indicator(s)

SERVICE AIR BAG - 83

Air Bag Indicator(s)

SERVICE STABILITY SYSTEM - 54

Stability System Indicator(s)

SERVICE THEFT SYSTEM - 34

Theft System Indicator(s)

SERVICE VEHICLE SOON (with Boost Gauge) - 3

Electrical System Indicator(s)

STABILITY SYSTEM ACTIVE - 55

Stability System Indicator(s)

STARTING DISABLED-THEFT - 33

Theft System Indicator(s)

TRUNK AJAR - 24

Trunk Ajar Indicator(s)

TURN SIGNAL ON? - 20

Lighting System Indicator(s)

WASHER FLUID LOW - 25

Washer Fluid Indicator(s)

Head Up Display (HUD) Indicators

Vehicle Indicator Name

Indicator Description Title

CHECK GAGES

Check Gages Indicator(s)

High Beam symbol

Lighting System Indicator(s)

km/h

km/h and MPH Indicator(s)

Low Fuel symbol

Fuel System Indicator(s)

MPH

km/h and MPH Indicator(s)

Turn Signal symbols

Lighting System Indicator(s)

Systems Monitor Indicators

Vehicle Indicator Name

Indicator Description Title

CHECK GAGES

Check Gages Indicator(s)

CHECK OIL LEVEL

Engine Oil Indicator(s)

DOOR AJAR

Door Ajar Indicator(s)

TIRE PRESS

Tire Pressure Indicator(s)

WASHER FLUID

Washer Fluid Indicator(s)

ABS Indicators

The IPC illuminates the ABS indicator when the following occurs:

    • The electronic brake control module (EBCM) detects a malfunction with the antilock brake system. The IPC receives a class 2 message from the EBCM requesting illumination.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
    • The IPC detects a loss of class 2 communications with the EBCM and the discrete back-up ABS indicator signal circuit is high.

When the ABS indicator is commanded on, the IPC also illuminates the TRAC OFF indicator and illuminates the SERVICE STABILITY SYSTEM indicator in the DIC.

Air Bag Indicator(s)

AIR BAG

The IPC illuminates the AIR BAG indicator when the following occurs:

    • The inflatable restraint sensing and diagnostic module (SDM) detects a malfunction with the supplemental inflatable restraint system. The IPC receives a class 2 message from the SDM requesting illumination.
    • The IPC performs the displays test at the start of each ignition cycle. The IPC flashes the air bag indicator 7 times.
    • The IPC detects a loss of class 2 communications with the SDM.

SERVICE AIR BAG - 83 (with DIC)

The IPC illuminates the SERVICE AIR BAG - 83 indicator in the DIC when the following occurs:

    • The inflatable restraint sensing and diagnostic module (SDM) detects a malfunction with the supplemental inflatable restraint system. The IPC receives a class 2 message from the SDM requesting illumination.
    • The IPC detects a loss of class 2 communications with the SDM.

Brake System Indicator(s)

Reference numbers are used in conjunction with a DIC warning message on export vehicles only.

Brake System

The IPC illuminates the brake indicator when the following occurs:

    • The IPC detects that the park brake is engaged (signal circuit is low). If the vehicle travels 10-50 feet (3-15.2 meters) with the park brake engaged, the IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a low brake fluid condition (signal circuit is low). The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The electronic brake control module (EBCM) detects a failure in the braking system. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
    • The IPC detects a loss of class 2 communications with the EBCM and the discrete back-up ABS indicator signal circuit is high.

BRAKE FLUID LOW - 37 (with DIC)

The IPC illuminates the BRAKE FLUID LOW - 37 indicator in the DIC when the IPC detects a low brake fluid condition (signal circuit is low). The IPC sends a class 2 message to the radio in order to activate an audible warning.

PARK BRAKE SET - 147 (with DIC)

The IPC illuminates the PARK BRAKE SET - 147 indicator in the DIC when the IPC detects that the park brake is engaged (signal circuit is low). If the vehicle travels 10-50 feet (3-15.2 meters) with the park brake engaged, the IPC sends a class 2 message to the radio in order to activate an audible warning.

Charging System Indicator(s)

BATTERY SAVER ACTIVE - 27 (with DIC)

The IPC illuminates the BATTERY SAVER ACTIVE - 27 indicator in the DIC when the PCM detects that the battery is in a heavy discharge condition for a long period of time. The blower fans, rear defogger, heated seats, and heated mirrors are disabled. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Charging System (with Boost Gauge)

The IPC illuminates the charging system indicator when the following occurs:

    • The ignition is ON, with the engine OFF. The IPC receives a class 2 message from the PCM requesting illumination.
    • The PCM detects a malfunction in the charging system. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC receives a class 2 message from the dash integration module (DIM) indicating the system voltage. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a loss of class 2 communications with the DIM and the IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC uses the battery positive voltage circuit in order to control the charging system indicator when the IPC loses communication with the DIM. The IPC sends a class 2 message to the radio in order to activate an audible warning.

CHECK CHARGE SYSTEM - 102 (with DIC)

The IPC illuminates the CHECK CHARGE SYSTEM - 102 indicator in the DIC when the PCM detects a malfunction in the charging system. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

CHECK GAGES VOLT - 9 (with DIC)

The IPC illuminates the CHECK GAGES VOLT - 9 indicator in the DIC when the following occurs:

    • (Volt gauge) The ignition is ON, with the engine OFF. The IPC receives a class 2 message from the PCM requesting illumination.
    • The IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC receives a class 2 message from the dash integration module (DIM) indicating the system voltage. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a loss of class 2 communications with the DIM and the IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC uses the battery positive voltage circuit in order to control the charging system indicator when the IPC loses communication with the DIM. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Check Gages Indicator(s)

CHECK GAGES (with HUD)

The head up display (HUD) illuminates the CHECK GAGES indicator as determined by the IPC. The HUD receives a class 2 message from the IPC requesting illumination. The HUD illuminates the CHECK GAGES indicator when the following occurs:

    • The IPC determines that the coolant temperature is greater than 124°C (255°F). The IPC receives a class 2 message from the PCM indicating the coolant temperature.
    • The IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC receives a class 2 message from the dash integration module (DIM) indicating the system voltage.
    • The IPC illuminates the brake system indicator.
    • The IPC illuminates the ABS indicator.

CHECK GAGES (with Systems Monitor)

The IPC illuminates the CHECK GAGES indicator in the systems monitor when the following occurs:

    • The IPC determines that the fuel level is less than a pre-determined value. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC determines that the coolant temperature is greater than 124°C (255°F). The IPC receives a class 2 message from the PCM indicating the coolant temperature. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The PCM determines that the engine oil pressure is low. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The ignition is ON, with the engine OFF. The IPC receives a class 2 message from the PCM requesting illumination.
    • The PCM detects a malfunction in the charging system. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC receives a class 2 message from the dash integration module (DIM) indicating the system voltage. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a loss of class 2 communications with the DIM and the IPC detects that the system voltage is less than 10.5 volts or greater than 16.2 volts. The IPC uses the battery positive voltage circuit in order to control the charging system indicator when the IPC loses communication with the DIM. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.

Compass Indicator(s)

The IPC illuminates the CALIBRATE COMPASS - 148 indicator in the DIC when the IPC receives invalid messages from the electronic compass module via the serial peripheral interface (SPI). The IPC sends a class 2 message to the radio in order to activate an audible warning.

Door Ajar Indicator(s)

DOOR AJAR (with Systems Monitor)

Each door module monitors the associated door ajar switch signal circuit. The IPC receives class 2 messages from the driver door module (DDM) indicating that the specific door ajar switch is active. The IPC sends a class 2 message to the radio in order to activate an audible warning. The IPC illuminates the DOOR AJAR indicator in the systems monitor when the following occurs:

    • The DDM detects that the driver's door is open or ajar (signal circuit is low).
    • The passenger door module (PDM) detects that the passenger's door is open or ajar (signal circuit is low). The PDM sends a message to the DDM via the simple bus interface (SBI) indicating that the door ajar switch is active.
    • The right rear door module (RRDM) detects that the right rear door is open or ajar (signal circuit is low). The RRDM sends a message to the DDM via the SBI indicating that the door ajar switch is active.
    • The left rear door module (LRDM) detects that the left rear door is open or ajar (signal circuit is low). The LRDM sends a message to the DDM via the SBI indicating that the door ajar switch is active.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.

XX DOOR AJAR - 140-143 (with DIC)

Each door module monitors the associated door ajar switch signal circuit. The IPC receives a class 2 message from the driver door module (DDM) indicating that the specific door ajar switch is active. The IPC illuminates the XX DOOR AJAR indicator and illuminates the appropriate door symbol in the vehicle outline in the DIC. The IPC sends a class 2 message to the radio in order to activate an audible warning.

    • The DRIVER DOOR AJAR - 140 indicator illuminates when the DDM detects that the driver's door is open or ajar (signal circuit is low).
    • The FRONT PASSENGER DOOR AJAR - 141 indicator illuminates when the passenger door module (PDM) detects that the passenger's door is open or ajar (signal circuit is low). The PDM sends a message to the DDM via the simple bus interface (SBI) indicating that the door ajar switch is active.
    • The LEFT REAR DOOR AJAR - 142 indicator illuminates when the left rear door module (LRDM) detects that the left rear door is open or ajar (signal circuit is low). The LRDM sends a message to the DDM via the SBI indicating that the door ajar switch is active.
    • The RIGHT REAR DOOR AJAR - 143 indicator illuminates when the right rear door module (RRDM) detects that the right rear door is open or ajar (signal circuit is low). The RRDM sends a message to the DDM via the SBI indicating that the door ajar switch is active.

Electrical System Indicator(s)

SERVICE VEHICLE SOON (with Volt Gauge)

The IPC illuminates the SERVICE VEHICLE SOON indicator when the following occurs:

    • The PCM detects certain non-emissions related failures. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
    • The IPC detects a loss of class 2 communications with the PCM. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects no class 2 communications with the vehicle. The IPC sends a class 2 message to the radio in order to activate an audible warning.

SERVICE VEHICLE SOON - 3 (with DIC and Boost Gauge)

The IPC illuminates the SERVICE VEHICLE SOON - 3 indicator in the DIC when the following occurs:

    • The PCM detects certain non-emissions related failures. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a loss of class 2 communications with the PCM. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects no class 2 communications with the vehicle. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Engine Coolant Indicator(s)

CHECK GAGES TEMPERATURE - 44 (with DIC)

The IPC illuminates the CHECK GAGES TEMPERATURE - 44 indicator in the DIC when the IPC determines that the coolant temperature is greater than 124°C (255°F). The IPC receives a class 2 message from the PCM indicating the coolant temperature. The IPC sends a class 2 message to the radio in order to activate an audible warning.

ENGINE HOT A/C DISABLED - 16 (with DIC)

The IPC illuminates the ENGINE HOT A/C DISABLED - 16 indicator in the DIC when the PCM determines that the coolant temperature is above the normal operating range. The PCM disables the air conditioning compressor. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Engine Oil Indicator(s)

CHECK GAGES OIL PRESSURE - 35 (with DIC)

The IPC illuminates the CHECK GAGES OIL PRESSURE - 35 indicator in the DIC when the PCM determines that the engine oil pressure is low. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

ENGINE OIL CHANGE NOW - 82 (with DIC)

The IPC illuminates the ENGINE OIL CHANGE NOW - 82 indicator in the DIC when the PCM determines that the engine oil life is 0%. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning. Once the oil is changed, perform the engine oil monitor reset procedure in order to clear the ENGINE OIL CHANGE SOON indicator. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.

ENGINE OIL CHANGE SOON - 81 (with DIC)

The IPC illuminates the ENGINE OIL CHANGE SOON - 81 indicator in the DIC when the PCM determines that the engine oil life is less than 11%. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning. Once the oil is changed, perform the engine oil monitor reset procedure in order to clear the ENGINE OIL CHANGE SOON indicator. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.

OIL LEVEL LOW - 36 (with DIC)

The IPC illuminates the OIL LEVEL LOW - 36 indicator in the DIC when the PCM detects a low engine oil level condition (signal circuit is high). The system only monitors the oil level for a brief period between key on and engine crank. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Fasten Safety Belt Indicator

The IPC illuminates the fasten safety belt indicator when the following occurs:

    • The inflatable restraint sensing and diagnostic module (SDM) detects that the driver's seat belt is unbuckled. The IPC receives a class 2 message from the SDM requesting illumination. The IPC illuminates the indicator for 20 seconds and then flashes the indicator for 55 seconds. The IPC also sends a class 2 message to the radio in order to activate the audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
    • The IPC detects a loss of class 2 communications with the SDM.

Fuel System Indicator(s)

CHECK GAGES LOW FUEL - 11 (with DIC)

The IPC illuminates the CHECK GAGES LOW FUEL indicator in the DIC when the IPC determines that the fuel level is less than a pre-determined value. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The IPC sends a class 2 message to the radio in order to activate an audible warning.

CHECK GAS CAP - 61 (with DIC)

The IPC illuminates the CHECK GAS CAP indicator in the DIC when the PCM detects a malfunction in the evaporative emissions system or the gas cap is not seated properly. The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Low Fuel (with HUD)

The head up display (HUD) illuminates the low fuel indicator as determined by the IPC. The HUD receives a class 2 message from the IPC indicating that the fuel level is low.

km/h and MPH Indicator(s)

km/h

The IPC illuminates the km/h indicator and turns off the MPH indicator when the IPC detects that metric units are requested. The IPC monitors the signal circuit of the E/M switch in order to change the units displayed.

km/h (with HUD)

The head up display (HUD) illuminates the km/h indicator and turns off the MPH indicator when the IPC detects that metric units are requested. The IPC monitors the signal circuit of the E/M switch in order to change the units displayed. The HUD receives a class 2 message from the IPC indicating the display mode.

MPH

The IPC illuminates the MPH indicator and turns off the km/h indicator when the IPC detects that English units are requested. The IPC monitors the signal circuit of the E/M switch in order to change the units displayed.

MPH (with HUD)

The head up display (HUD) illuminates the MPH indicator and turns off the km/h indicator when the IPC detects that English units are requested. The IPC monitors the signal circuit of the E/M switch in order to change the units displayed. The HUD receives a class 2 message from the IPC indicating the display mode.

Lighting System Indicator(s)

High Beam

The IPC illuminates the high beam indicator when the dash integration module (DIM) detects that the high beams are requested. The IPC receives a class 2 message from the DIM requesting illumination.

High Beam (with HUD)

The head up display (HUD) illuminates the high beam indicator when the dash integration module (DIM) detects that the high beams are requested. The HUD receives a class 2 message from the DIM requesting illumination.

Turn Signals

The left and right turn signal indicators are hard wired to the turn signal switch and the hazard switch. The turn signal indicator illuminates when the turn signal lamps supply voltage circuit is active. If the IPC determines that the turn signal is active for more than 1.29 km (0.8 mile), the IPC sends a class  2 message to the radio in order to activate an audible warning.

Turn Signals (with HUD)

The left and right turn signal indicators in the head up display (HUD) are hard wired to the turn signal switch and the hazard switch. The turn signal indicator illuminates when the turn signal lamps supply voltage circuit is active.

TURN SIGNAL ON? - 20 (with DIC)

The IPC illuminates the TURN SIGNAL ON? - 20 indicator in the DIC when the IPC determines that the turn signal is active for more than 1.29 km (0.8 mile). The IPC also sends a class  2 message to the radio in order to activate an audible warning.

Malfunction Indicator Lamp (MIL)

The PCM illuminates the MIL (service engine soon or check engine) when the following occurs:

    • The PCM detects a malfunction in the emissions system.
    • The PCM performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.
    • The ignition is on, with the engine off.

Stability System Indicators

STABILITY SYSTEM ACTIVE - 55 (with DIC)

The IPC illuminates the STABILITY SYSTEM ACTIVE - 55 indicator in the DIC when the electronic brake control module (EBCM) detects that the enhanced stability system, the ABS system, or the traction control system is active. The IPC receives a class 2 message from the EBCM requesting illumination. The LOW TRAC indicator also illuminates when the STABILITY SYSTEM ACTIVE - 55 indicator illuminates.

SERVICE STABILITY SYSTEM - 54 (with DIC)

The IPC illuminates the SERVICE STABILITY SYSTEM - 54 indicator in the DIC when the following occurs:

    • The electronic brake control module (EBCM) detects a malfunction in the enhanced stability system. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a loss of class 2 communications with the EBCM and the discrete back-up ABS indicator signal circuit is high.

Theft System Indicator(s)

ALARM OCCURRED - 40 (with DIC)

The IPC illuminates the ALARM OCCURRED - 40 indicator in the DIC when the rear integration module (RIM) detects a potential vehicle theft. The IPC receives a class 2 message from the RIM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

SECURITY

The IPC illuminates the SECURITY indicator as determined by the vehicle theft deterrent (VTD) system and the content theft deterrent (CTD) system. The IPC receives a class 2 message from the rear integration module (RIM) or the theft deterrent control module requesting illumination.

    • The VTD system requests the IPC to illuminate the indicator only when the ignition switch is ON. The VTD system uses the indicator as a status indicator.
    • The CTD system requests the IPC to illuminate the indicator only when the ignition switch is OFF. The CTD system uses the indicator in order to identify system status.

SERVICE THEFT SYSTEM - 34 (with DIC)

The IPC illuminates the SERVICE THEFT SYSTEM - 34 indicator in the DIC when the following occurs:

    • The theft deterrent control module detects a malfunction in the theft system. The IPC receives a class 2 message from the theft deterrent control module requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC detects a loss of class 2 communications with the theft deterrent control module.

STARTING DISABLED - THEFT - 33 (with DIC)

The IPC illuminates the STARTING DISABLED - THEFT - 33 indicator in the DIC when the theft deterrent control module disables the vehicle from starting. The IPC receives a class 2 message from the theft deterrent control module requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Theft LED

The rear integration module (RIM) illuminates the theft LED in the IP upper pad based on the current system operation mode. The theft LED operates in the following modes:

    • On
    • Off
    • Flashing slow
    • Flashing fast

Tire Pressure Indicator(s)

TIRE PRESS (with Systems Monitor)

The IPC illuminates the TIRE PRESS indicator in the systems monitor when the following occurs:

    • The electronic brake control module (EBCM) detects low pressure in any of the four tires. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.

Once the tire pressures are properly adjusted, perform the tire pressure monitor reset procedure in order to clear the TIRE PRESS indicator. Refer to Tire Pressure Monitor Procedure in Tire Pressure Monitoring.

CHECK TIRE PRESSURE - 144 (with DIC)

The IPC illuminates the CHECK TIRE PRESSURE - 144 indicator in the DIC when the electronic brake control module (EBCM) detects low pressure in any of the four tires. The IPC receives a class 2 message from the electronic brake control module (EBCM) requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning. Once the tire pressures are properly adjusted, perform the tire pressure monitor reset procedure in order to clear the TIRE PRESS indicator. Refer to Tire Pressure Monitor Procedure in Tire Pressure Monitoring.

Traction Control System Indicator(s)

TRAC OFF

The IPC illuminates the TRAC OFF indicator when the following occurs:

    • The electronic brake control module (EBCM) inhibits the traction control system due to a malfunction in the traction control system. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The instrument panel integration module (IPM) (with CJ2) or the climate control panel (CCP) (with C67) detects that the traction control switch is pressed (signal circuit is low). The EBCM receives a class 2 message from the IPC or CCP indicating the switch status.
    • The EBCM requests illumination of the ABS indicator. The IPC receives a class 2 message from the EBCM requesting illumination.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
    • The IPC detects a loss of class 2 communications with the EBCM and the discrete back-up ABS indicator signal circuit is high.

LOW TRAC

The IPC illuminates the LOW TRAC indicator when the following occurs:

    • The electronic brake control module (EBCM) detects that the traction control system, the ABS system, or the enhanced stability system is active. The IPC receives a class 2 message from the EBCM requesting illumination. The STABILITY SYSTEM ACTIVE - 55 indicator also illuminates in the DIC when the LOW TRAC indicator illuminates.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.

Trunk Ajar Indicator(s)

TRUNK AJAR (with Systems Monitor)

The IPC illuminates the TRUNK AJAR indicator in the systems monitor when the following occurs:

    • The rear integration module (RIM) detects that the trunk is open or ajar (signal circuit is low). The IPC receives a class 2 message from the RIM indicating that the trunk ajar switch is active. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.

TRUNK AJAR - 24 (with DIC)

The IPC illuminates the TRUNK AJAR - 24 indicator and illuminates the trunk symbol in the vehicle outline in the DIC when the rear integration module (RIM) detects that the trunk is open or ajar (signal circuit is low). The IPC receives a class 2 message from the RIM indicating that the trunk ajar switch is active. The IPC sends a class 2 message to the radio in order to activate an audible warning.

Washer Fluid Indicator

WASHER FLUID (with Systems Monitor)

The IPC illuminates the WASHER FLUID indicator when the following occurs:

    • The IPC detects a low washer fluid condition (signal circuit is low) for greater than 30 seconds. The IPC sends a class 2 message to the radio in order to activate an audible warning.
    • The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.

WASHER FLUID LOW - 25 (with DIC)

The IPC illuminates the WASHER FLUID LOW - 25 indicator in the DIC when the IPC detects a low washer fluid condition (signal circuit is low) for greater than 30 seconds. The IPC sends a class 2 message to the radio in order to activate an audible warning.