System Tests: Notes

CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

SYMPTOM INDEX

Symptom

Perform Test

Scan Tool Does Not Power Up

Engine Coolant Temperature Gauge Inaccurate Or Inoperative

Engine Oil Pressure Gauge Inaccurate Or Inoperative

Fuel Gauge Inaccurate Or Inoperative

Odometer Trip/Reset Switch Inoperative

Speedometer/Odometer Inaccurate Or Inoperative

Tachometer Inaccurate Or Inoperative

Volt Gauge Inaccurate Or Inoperative

Change Engine Oil Indicator Always On

Change Engine Oil Indicator Inoperative

Check Gauges Indicator Inoperative

Low Oil Indicator Always On

Chime Always On

Chime Inoperative

Fasten Seat Belt Indicator/Chime Always On

Fasten Seat Belt Indicator/Chime Inoperative

Hatch Ajar Indicator Always On

Hatch Ajar Indicator Inoperative

Turn Signal Indicators Always On

Turn Signal Indicators Inoperative

SERVICE ENGINE SOON Indicator Inoperative

⁽¹⁾

SERVICE ENGINE SOON Indicator Always On

⁽¹⁾

SECURITY Indicator Inoperative

⁽²⁾

SKIP SHIFT Indicator Always On/Inoperative

⁽³⁾

ABS INOP Indicator Always On

⁽⁴⁾

ABS INOP Indicator Inoperative

⁽⁴⁾

ASR OFF Indicator Always On (Camaro)

⁽⁴⁾

ASR OFF Indicator Inoperative (Camaro)

⁽⁴⁾

TCS OFF Indicator Always On (Firebird)

⁽⁴⁾

TCS OFF Indicator Inoperative (Firebird)

⁽⁴⁾

⁽¹⁾	See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

⁽²⁾	See appropriate ANTI-THEFT SYSTEM article.

⁽³⁾	Perform SKIP SHIFT SYSTEM DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.

⁽⁴⁾	See appropriate ANTI-LOCK article in BRAKES.