GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Turn the ignition switch to the RUN position.

  1. The air bag warning indicator flashes 7 times.
  2. The audio alarm will sound for 4-8 seconds if the driver's seat belt is unbuckled.
  3. The brake warning indicator is on for 3-5 seconds.
  4. The charge warning indicator is ON.
  5. The engine coolant temperature gauge show the coolant temperature.
  6. The fasten belts indicator will turn ON until the driver's seat belt is buckled.
  7. The fuel gauge increases approximately half scale above the current level and, then, shows the current fuel level.
  8. The low oil level indicator is ON for 3-5 seconds and stays ON if the oil level is low.
  9. The oil pressure warning indicator is ON.
  10. The shift selector P indicator is ON.
  11. The security indicator is ON for 5 seconds.
  12. The service engine soon indicator is ON.
  13. The speedometer shows 0 km/h (O MPH).
  14. The tachometer shows 0 RPM.
    •  Symptoms in SIR
    •  SECURITY Indicator Inoperative in Theft Deterrent
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 3.1L
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 3.8L
    •  Tachometer Inoperative

2

  1. Set the left turn signal to the ON position.
  2. Set the left turn signal to the OFF position.
  3. Set the right turn signal to the ON position.
  4. Set the right turn signal to the OFF position.
  1. The left turn signal and indicator are flashing.
  2. The left turn signal and indicator turn OFF.
  3. The right turn signal and indicator are flashing.
  4. The right turn signal and indicator turn OFF.

Turn Signal Lamps Inoperative in Lighting Systems

3

  1. Turn the headlight switch to the HEAD position.
  2. Set the headlamp dimmer switch to the HIGH position.
  3. Turn the headlight switch to the OFF position.
  1. The high beam lights and the high beam indicator turn ON.
  2. The high beam lights and the high beam indicator turn OFF.
    •  High Beam Indicator Inoperative in Lighting Systems

4

  1. Apply the parking brake.
  2. Release the parking brake.
  1. The parking brake indicator turns ON.
  2. The parking brake indicator turns OFF.

5

  1. Turn the headlamps switch to the PARK position.
  2. Adjust the IP dimmer switch to the OFF position.
  3. Turn the IP dimmer switch to the MAX position.
  1. The instrument cluster illumination turns ON.
  2. The instrument cluster illumination turns off and, then, to maximum brightness.

Instrument Panel Lamps Inoperative in Lighting Systems

6

Turn the ignition switch to the bulb test position, just past the RUN position.

    • The anti-lock indicator turns ON.
    • The brake indicator turns ON.
    •  ABS Indicator Inoperative in Antilock Brake System
    •  ABS Indicator Always On in Antilock Brake System

7

Start the engine and let the engine idle.

  1. The air bag (AIR BAG) indicator remains OFF until an accident causes a deployment or a fault is detected in the SIR system.
  2. The anti-lock (ANTI-LOCK) warning indicator remains OFF, unless a fault is detected in the ABS system.
  3. The brake warning indicator remains OFF, unless a fault is detected in the base brake system, the parking brake is engaged, or the brake fluid level is low.
  4. The charge (VOLTS) warning indicator remains OFF with the engine running, unless a charging system fault is detected.
  5. The coolant temperature gauge reads the coolant temperature.
  6. The coolant temperature (HOT) warning indicator is OFF, unless the coolant temperature exceeds approximately 124°C (255°F).
  7. The fuel gauge reads the current fuel level.
  8. The low coolant (LOW COOLANT) warning indicator is OFF, unless the coolant level drops below the sensor level.
  9. The low oil level indicator is OFF, unless the engine oil level drops below a set level.
  10. Check the oil level after the initial power up of the PCM.

  11. The oil pressure warning indicator is OFF, unless a fault is detected.
    •  Symptoms in SIR
    •  ABS Indicator Inoperative in Antilock Brake System
    •  ABS Indicator Always On in Antilock Brake System
    •  SECURITY Indicator Always On or Flashing in Theft Deterrent
    •  SECURITY Indicator Inoperative in Theft Deterrent
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 3.1L
    •  Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls - 3.8L

8

Fasten the seat belts.

The fasten belts warning indicator shuts OFF when the seat belt is buckled and remains OFF until the seat belt is unbuckled.

9

Drive the vehicle, as needed.

  1. The speedometer reads the current speed.
  2. The tachometer, if equipped, reads the current engine RPM's.
  3. The shift selector indicator shows the correct transmission range.
    •  Tachometer Inoperative

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