| Table 1: | IPC Indicators |
| Table 2: | DIC Indicators |
| Table 3: | HUD Indicators |
The indicator description and operation uses generic indicator names. Refer to the table below for the indicators that are available on this vehicle:
Vehicle Indicator Name | Indicator Description Title |
|---|---|
ABS symbol | ABS Indicator |
AIR BAG | Air Bag Indicator(s) |
BATTERY symbol | Charging System Indicator(s) |
BRAKE | Brake System Indicator(s) |
CRUISE | Cruise Control Indicator |
Fasten Safety Belt symbol | Fasten Safety Belt Indicator |
High Beam symbol | Lighting System Indicator(s) |
Hot Coolant Temp | Engine Coolant Indicator(s) |
km/h | km/h and MPH Indicator(s) |
MPH | km/h and MPH Indicator(s) |
Oil Pressure symbol | Engine Oil Indicator(s) |
SECURITY | Theft Deterrent Indicator(s) |
SERVICE ENGINE SOON | Malfunction Indicator Lamp (MIL) |
SERVICE VEHICLE SOON | Service Vehicle Soon Indicator |
TRACTION OFF | Traction Control System Indicator(s) |
Turn Signal symbols | Lighting System Indicator(s) |
Vehicle Indicator Name | Indicator Description Title |
|---|---|
BATTERY SAVER ACTIVE - 27 | Charging System Indicator(s) |
CHANGE ENGINE OIL SOON - 81 | Engine Oil Indicator(s) |
CHECK CHARGE SYSTEM - 102 | Charging System Indicator(s) |
CHECK TIRE PRESSURE - 144 | Tire Pressure Monitoring Indicator(s) |
GAS CAP LOOSE - CHECK CAP - 61 | Fuel System Indicator(s) |
DOOR AJAR - 139 | Door Ajar Indicator(s) |
ENGINE OIL LOW - CHECK LEVEL - 36 | Engine Oil Indicator(s) |
SERVICE STABILITY SYSTEM - 54 | Stability System Indicator(s) |
STABILITY SYSTEM ACTIVE - 55 | Stability System Indicator(s) |
THEFT ATTEMPT DETECTED - 40 | Theft System Indicator(s) |
TRACTION CONTROL SYSTEM ACTIVE - 91 | Traction Control System Indicator(s) |
TRUNK AJAR - 24 | Trunk Ajar Indicator |
TURN SIGNAL ON? - 20 | Lighting System Indicator(s) |
WINDSHIELD WIPER FLUID LOW - 25 | Washer Fluid Indicator(s) |
Vehicle Indicator Name | Indicator Description Title |
|---|---|
Check Gages | Check Gages Indicator(s) |
High Beam Symbol | Lighting Indicator(s) |
km/h | km/h and MPH Indicator(s) |
MPH | km/h and MPH Indicator(s) |
Turn Signal Symbols | Lighting Indicator(s) |
ABS Indicator
The IPC illuminates the ANTI-LOCK (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 detects a loss of class 2 communications with the EBCM and the discrete back-up ABS indicator signal is open. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
When the ABS indicator is commanded on, the IPC also illuminates the TRACTION CONTROL indicator and illuminates the SERV STABILITY SYS indicator in the DIC.
Air Bag Indicator(s)
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 sends a class 2 message to the SDM indicating the indicator status. |
| The IPC sends a class 2 message to the radio in order to sound the audible warning. |
| • | 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. |
Brake System Indicator(s)
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 3-15.2 m (10-50 ft) 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. |
Charging System Indicator(s)
BATTERY SAVER ACTIVE - 27
The IPC illuminates the BATTERY SAVER ACTIVE - 27 indicator in the DIC when the DIM 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.
CHECK CHARGE SYSTEM - 102
The IPC illuminates the CHECK CHARGE SYSTEM - 102 indicator in the DIC when the PCM or the DIM detects a malfunction in the charging system. The IPC receives a class 2 message from the PCM or the DIM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
Cruise Control Indicator
The IPC illuminates the CRUISE indicator when any of the following occur:
| • | The PCM detects that the cruise control is requested. The IPC receives a class 2 message from the PCM requesting illumination. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds. |
Door Ajar Indicator(s)
DOOR AJAR - 139
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 a door ajar switch is active. The IPC sends a class 2 message to the radio in order to activate an audible warning.
Electrical System Indicator(s)
SERVICE VEHICLE SOON
The IPC illuminates the SERVICE VEHICLE SOON indicator when any of the following occur:
| • | 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 DIM detects certain ignition switch related failures. The IPC receives a class 2 message from the DIM 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 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)
The IPC illuminates the hot coolant temperature indicator 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 Oil Indicator(s)
CHANGE ENGINE OIL SOON - 81
The IPC illuminates the CHANGE ENGINE OIL SOON - 81 indicator in the DIC when the PCM determines that the engine oil life is less than 11 percent. 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 CHANGE ENGINE OIL SOON indicator. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.
ENGINE OIL LOW -- CHECK LEVEL - 36
The IPC illuminates the ENGINE OIL LOW -- CHECK LEVEL - 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.
Low Oil Pressure
The IPC illuminates the low oil pressure indicator when any of the following occur:
| • | The PCM detects that the oil pressure is low (signal circuit 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 IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds. |
Fasten Safety Belt Indicator
The IPC illuminates the fasten safety belt indicator when any of the following occur:
| • | 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. |
Fuel System Indicator(s)
GAS CAP LOOSE -- CHECK CAP - 61
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
The IPC illuminates the low fuel indicator when any of the following occur:
| • | The IPC determines that the fuel level is less than 16 percent. 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 performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds. |
km/h and MPH Indicator(s)
km/h
The IPC illuminates the km/h indicator when the IPC detects that metric units have been requested by monitoring the signal circuit of the Eng/Met switch. The IPC sends a class 2 message to the head up display (HUD) indicating the requested units. The HUD also illuminates the appropriate indicator.
MPH
The IPC illuminates the MPH indicator when the IPC detects that English units have been requested by monitoring the signal circuit of the Eng/Met switch. The IPC sends a class 2 message to the head up display (HUD) indicating the requested units. The HUD also illuminates the appropriate indicator.
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 STILL ON? - 20 (with DIC)
The IPC illuminates the TURN SIGNAL STILL 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
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.
SERVICE STABILITY SYSTEM - 54
The IPC illuminates the SERVICE STABILITY SYSTEM - 54 indicator in the DIC when 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.
Theft System Indicator(s)
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. |
THEFT ATTEMPT DETECTED - 40
The IPC illuminates the THEFT ATTEMPT DETECTED - 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.
Tire Pressure Indicator(s)
CHECK TIRE PRESSURE - 144
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 CHECK TIRE PRESSURE indicator. Refer to Tire Pressure Monitor Procedure in Tire Pressure Monitoring.
Traction Control System Indicator(s)
TRACTION OFF
The IPC illuminates the TRACTION OFF indicator when any of the following occur:
| • | 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 IPC receives a class 2 message from the EBCM requesting illumination of the ABS indicator. |
| • | 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. |
TRACTION CONTROL SYSTEM ACTIVE -- 91
The IPC illuminates the TRACTION CONTROL SYSTEM ACTIVE -- 91 indicator when the electronic brake control module (EBCM) detects that the traction control system is active. The IPC receives a class 2 message from the EBCM requesting illumination.
TRUNK AJAR -- 24
The IPC illuminates the TRUNK AJAR -- 24 indicator in the DIC when the rear integration module (RIM) detects that the trunk is ajar or open (signal circuit is low). 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.
Washer Fluid Indicator
WINDSHIELD WASHER FLUID LOW - 25
The IPC illuminates the WINDSHIELD 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.
