GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Instrument Cluster System Check

Instrument Cluster (IPC) System Check

Step

Action

Normal Results

Abnormal Results*

1
  1. Leave the safety belt unbuckled.
  2. Verify that the gear selector is in the PARK position.
  3. Turn the ignition switch to the ON position (II). Do not start the engine.

(Note: the Fasten Safety Belt indicator will start to flash after 4 seconds.)

The system performs a bulb test on the following indicators (the indicator lamps illuminate briefly for 4 seconds):

    • ABS
    • Sport Mode (1st and 2nd design) / Auto Trans Malfunction (2nd design)
    • Automatic Transmission Malfunction (1st design)
    • Brake Pad Wear
    • Engine Coolant Temperature
    • Low Oil Level
    • Low Fuel
    • Low Coolant Level
    • Low Washer Fluid
    • Leveling
    • The ABS indicator does not illuminate.
         Diagnostic System Check - ABS in ABS
    • The Sport Mode indicator does not illuminate.
    • The A/T MIL does not illuminate.
         Service Transmission Lamp Diagnosis in A/T Controls
    •  Automatic Level Control Suspension System Check in Automatic Level Control

2

Continue to observe the indicator lamps with the ignition switch in the ON position.

The following indicator lamps remain illuminated after 4 seconds:

    • BRAKE TO SHIFT
    • Charging
    • CHECK ENGINE
    • Fasten Safety Belt (flashes for 60 seconds)
    • Oil Pressure

The Air Bag indicator flashes 6 times.
    • The BRAKE TO SHIFT indicator does not illuminate.
         Automatic Transmission Shift Lock Control System Check in Steering Wheel and Column-Tilt
    • The Charging indicator does not illuminate.
         Charging System Check in Engine Electrical
    • The CHECK ENGINE indicator does not illuminate.
         Powertrain On Board Diagnostic (OBD) System Check in Engine Controls
    • The Air Bag indicator does not illuminate.
         SIR Diagnostic System Check in SIR

3
    • Buckle the driver's safety belt.
    • Observe the fasten safety belt indicator.

The fasten safety belt indicator is off.

Fasten Safety Belt Indicator/Chime Always On

4

Apply the park brake.

The park brake indicator illuminates.

Brake Warning System Check in Hydraulic Brakes

5
  1. Operate the left hand turn signal.
  2. Operate the right hand turn signal.
    • The left hand turn signal indicator flashes with the tail lamp.
    • The right hand turn signal indicator flashes with the tail lamp.
    •  Turn Signal Lamps Inoperative in Lighting Systems
    •  Turn Signal Lamps Inoperative in Lighting Systems
    •  Turn Signal Indicators Inoperative in Lighting Systems

6

Turn the headlamp switch knob clockwise to the 2nd position.

The IPC illumination turns on and dims to the setting on the dimmer control.

Interior Lights Dimming System Check in Lighting Systems

7

Adjust the instrument panel dimmer control.

The IPC illumination varies based on the dimmer control adjustment.

Interior Lights Dimming System Check in Lighting Systems

8

Turn the fog lamps on.

The fog lamp indicator illuminates.

Fog Lamp Indicator Inoperative in Lighting Systems

9

Turn the high beam headlamps on.

The high beam indicator illuminates.

High Beam Indicator Inoperative

10

Start the engine.

The engine cranks and starts.

Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

11

Observe the fuel gauge.

The fuel gauge appears to operate.

Fuel Gage Inaccurate or Inoperative

12
    • Observe the oil pressure gauge.
    • Listen for the low engine oil pressure warning chime.
    • The oil pressure gauge appears to operate. Oil pressure gauge reads approximately 20 psi.
    • The warning chime is not operating.

13

Observe the low engine oil level indicator.

The low engine oil level indicator is off.

Low Engine Oil Level Indicator Inoperative

14

Observe the tachometer.

The tachometer appears to operate.

Tachometer Inoperative

15

Observe the CHECK ENGINE indicator.

The CHECK ENGINE indicator is off.

Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

16

Observe the automatic transmission malfunction indicator (1st design).

The automatic transmission malfunction indicator is off.

Service Transmission Lamp Diagnosis in Automatic Transmission

17

Observe the Airbag indicator.

The Airbag indicator is off.

SIR Diagnostic System Check in SIR

18

Observe the ABS indicator.

The ABS indicator is off.

Diagnostic System Check - ABS in ABS

19

Observe the charging indicator.

The charging indicator is off.

Charging System Check in Engine Electrical

20

Observe the low engine coolant level indicator.

The low engine coolant level indicator is off.

Low Engine Coolant Indicator Always On

21

Observe the engine coolant temperature gauge.

The engine coolant temperature gauge appears to operate. Gauge indicates current engine temperature.

Engine Coolant Temperature Gage Inaccurate or Inoperative

22
    • Cycle the gear selector lever through all the gear positions.
    • Observe the park brake indicator.
    • Observe the BRAKE TO SHIFT indicator.
    • The park brake indicator turns off.
    • The BRAKE TO SHIFT indicator is off when the vehicle is out of park.
    •  Brake Warning System Check in Hydraulic Brakes
    •  Automatic Transmission Shift Lock Control System Check in Steering Wheel and Column - Tilt

23

Drive the vehicle at 48 km/h (30 mph).

The speedometer and odometer operate properly.

Speedometer and/or Odometer Inoperative

24
  1. Turn OFF the ignition.
  2. Open the fuel cap.
  3. Turn ON the ignition.

Fuel cap indicator turns on.

Fuel Cap Missing Indicator Inoperative

25
  1. Turn OFF the ignition.
  2. Close the fuel cap.
  3. Turn ON the ignition.

Fuel cap indicator turns off.

Fuel Cap Missing Indicator Always On

26

No abnormal results were found while performing the System Check.

The system is OK.

Intermittents and Poor Connections Diagnosis in Wiring Systems

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.