Instrument Cluster System Check. GMC Truck GMC K Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Instrument Cluster System Check

Gauge Table

Step

Action

Normal Result(s)

Abnormal Result(s)*

Start the engine.
Observe the engine oil gauge.

Engine oil pressure should read within the normal range.

•	Engine Oil Pressure Gauge Always High .

•	Engine Oil Pressure Gauge Always High .

•	Engine Oil Pressure Gauge Always Low .

•	Engine Oil Pressure Gauge Always Low .

•	Engine Oil Pressure Gage Inaccurate or Inoperative .

•	Engine Oil Pressure Gauge Always High .

Observe the fuel gauge.

The fuel gauge indicates the correct fuel level.

•	Fuel Gauge Always Indicates Empty .

•	Fuel Gauge Always Indicates Empty .

•	Fuel Gauge Always Indicates Empty .

•	Fuel Gauge Always Indicates Full .

•	Fuel Gauge Always Indicates Full .

•	Fuel Gauge Always Indicates Full .

Ensure the engine is at operating temperature.
Observe the engine temperature gauge.

The engine temperature gauge indicates the correct engine temperature.

•	Engine Coolant Temperature Gauge Always Cold .

•	Engine Coolant Temperature Gauge Always Hot .

•	Engine Coolant Temperature Gage Inaccurate or Inoperative .

Observe the voltmeter.

Voltmeter indicates a charge of 13 - 14.5 volts.

Volt Gage Inaccurate or Inoperative .

Observe the tachometer.

The tachometer indicates the correct engine speed.

•	Tachometer Inaccurate .

•	Tachometer Inoperative .

•	Tachometer Inoperative .

Drive vehicle at 30 mph (48 km/h) over a known distance.

The speedometer and the odometer operate properly.

•	Speedometer Inaccurate (J 38522 Unavailable) .

•	Speedometer and/or Odometer Inoperative .

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

Indicator Table

Step

Action

Normal Result(s)

Abnormal Result(s)*

Close all of the vehicle's doors.
Leave the safety belt unbuckled.
Verify the gear selector is in the PARK position.
Turn the ignition switch to the ON position.

The vehicle performs a bulb check on the indicators. The following indicators illuminate briefly:

•

ABS

•

Air Bag

•	Fasten Belts

•	Battery Charge

•	Check Gauges

•	Park Brake

•

Security

•	Service Engine Soon

•	For Diesels the following indicators also illuminate briefly:

-	Low Coolant Level

-	Water In Fuel

•	ABS Indicator does not light. Diagnostic System Check - ABS .

•	Air Bag Indicator does not light. SIR Diagnostic System Check .

•	Fasten Safety Belt Indicator/Chime Inoperative .

•	Battery Indicator does not light. Charging System Check .

•	Park Brake Indicator does not light. Park Brake Diagnostic System Check .

•	Security Indicator does not light. Diagnostic System Check - Theft Deterrent .

•	Service Engine Soon (MIL) Indicator does not light. Malfunction Indicator Lamp Circuit Check / Malfunction Indicator Lamp Circuit Check / Malfunction Indicator Lamp (MIL) Inoperative .

•	Water-In-Fuel Indicator does not light or is always on. Water-in-Fuel Lamp Diagnosis .

•	Low Engine Coolant Indicator Always On. Low Engine Coolant Indicator Always On .

•	Low Engine Coolant Indicator Inoperative. Low Engine Coolant Indicator Inoperative .

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 .

Apply the park brake.

The park brake indicator illuminates.

Park Brake Indicator Inoperative. Park Brake Diagnostic System Check .

•	Operate the left turn signal.

•	Operate the right turn signal.

Each turn signal indicator flashes.

•	Left Turn Indicator Is Inoperative

•	Right Turn Indicator Inoperative

•	Left Turn Indicator Always On

•	Right Turn Indicator Always On

Exterior Lights System Check .

•	Turn the park lights on.

•	Unapply the Parking Brake.

•	Apply the park brake.

•	The DRL indicator illuminates with the Park Brake unapplied.

•	The DRL indicator turns off when the Park Brake is applied.

Daytime Running Lights (DRL) System Check .

Turn the headlights on.

The I/P Cluster illumination turns on and dims to the setting on the dimmer control.

I/P Cluster illumination lamps do not turn on or dim. Interior Lights Dimming System Check .

Adjust the instrument panel dimmer control.

The I/P Cluster illumination varies based on the dimmer control adjustment.

I/P Cluster Illumination Does Not Vary. Interior Lights Dimming System Check .

Turn the high beam headlamps on.

The high beam indicator illuminates.

•	High Beam Indicator Inoperative

•	High Beam Indicator Is Always On

Headlight System Check .

Observe the Service Engine Soon indicator.

Service Engine Soon indicator is off.

Service Engine Soon Indicator is always on.

•	Malfunction Indicator Lamp Circuit Check (5.0L/5.7L)

•	Malfunction Indicator Lamp Circuit Check (7.4L)

•	Malfunction Indicator Lamp (MIL) Inoperative (6.5L)

Observe the battery charge indicator.

The battery charge indicator is off.

Battery Charge Indicator Always On. Charging System Check .

Observe the Air Bag indicator.

The Air Bag indicator is off.

Air Bag Indicator On. SIR Diagnostic System Check .

Observe the ABS indicator.

The ABS indicator is off.

ABS Indicator On. Diagnostic System Check - ABS .

Observe the SECURITY indicator.

The SECURITY indicator is off.

Security Indicator On. Diagnostic System Check - Theft Deterrent .

Cycle the gear selector lever through all of the gear positions.

The PRNDL displays the correct gear positions.

•	PRNDL Display Inaccurate or Inoperative .

•	PRNDL Display Inaccurate or Inoperative .

Turn the hazard flashers on.

Both turn indicators flash.

Hazard flashers inoperative. Exterior Lights System Check .

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