Symptom Troubleshooting Chart - Instrument Cluster

SYMPTOM TROUBLESHOOTING CHART - INSTRUMENT CLUSTER

Problem	Possible Cause	ACTION
No communication with the instrument cluster	Fuse(s) Circuitry Instrument cluster	See PINPOINT TEST 1: NO COMMUNICATION WITH THE INSTRUMENT CLUSTER .
Incorrect temperature gauge indication	Circuitry Engine coolant temperature sender Instrument cluster	See PINPOINT TEST 2: INCORRECT TEMPERATURE GAUGE INDICATION .
The low oil pressure warning indicator is never/always on	Circuitry Base engine concern Oil pressure switch Instrument cluster	See PINPOINT TEST 3: LOW OIL PRESSURE WARNING INDICATOR IS NEVER/ALWAYS ON .
Inaccurate speedometer reading	Incorrect tire size Powertrain control module (PCM) Instrument cluster	See PINPOINT TEST 4: INACCURATE SPEEDOMETER READING .
The speedometer/odometer is inoperative	Circuitry Powertrain control module Instrument cluster	See PINPOINT TEST 5: SPEEDOMETER/ODOMETER IS INOPERATIVE .
The tachometer is inoperative	Circuitry Powertrain control module (PCM) Instrument cluster	See PINPOINT TEST 6: TACHOMETER IS INOPERATIVE .
The charging system warning indicator is never on	Circuitry Instrument cluster	See PINPOINT TEST 7: CHARGING SYSTEM WARNING INDICATOR IS NEVER ON .
The charging system warning indicator is always on	Charging system	See SYMPTOM TROUBLESHOOTING CHART - CHARGING SYSTEM to continue diagnosis of the charging system.
The anti-lock brake system (ABS) warning indicator is never/always on	Circuitry Instrument cluster ABS module	See PINPOINT TEST 8: ANTI-LOCK BRAKE SYSTEM (ABS) WARNING INDICATOR IS NEVER/ALWAYS ON .
The check fuel cap warning indicator is never on	Circuitry Powertrain control module (PCM) Instrument cluster	See PINPOINT TEST 9: CHECK FUEL CAP WARNING INDICATOR IS NEVER ON .
The check fuel cap indicator is always on	Powertrain control module (PCM) Circuitry	See EVAPORATIVE EMISSION SYSTEM INSPECTION .
The high beam indicator is never on	Circuitry Smart junction box (SJB) Instrument cluster	See PINPOINT TEST 10: HIGH BEAM INDICATOR IS NEVER ON .
The malfunction indicator lamp (MIL) indicator is never on	Circuitry Instrument cluster Powertrain control module (PCM)	See PINPOINT TEST 11: MALFUNCTION INDICATOR LAMP (MIL) INDICATOR IS NEVER ON .
The malfunction indicator lamp (MIL) indicator is always on	Powertrain/emissions concern	See SYMPTOM TROUBLESHOOTING CHART - POWERTRAIN CONTROL MODULE (PCM) .
The LH turn signal indicator is never on	Bulb Circuitry Instrument cluster	See PINPOINT TEST 12: LH TURN SIGNAL INDICATOR IS NEVER ON .
The RH turn signal indicator is never on	Bulb Circuitry Instrument cluster	See PINPOINT TEST 13: RH TURN SIGNAL INDICATOR IS NEVER ON .
The O/D OFF indicator is never/always on	Circuitry Powertrain control module (PCM) Instrument cluster	See PINPOINT TEST 14: O/D OFF INDICATOR IS NEVER/ALWAYS ON .
The cruise control indicator is always on	Circuitry Speed control servo	See SYMPTOM TROUBLESHOOTING CHART - CRUISE CONTROL to continue diagnosis of the cruise control system.
The cruise control indicator is never on	Circuitry Speed control servo Instrument cluster	See PINPOINT TEST 15: SPEED CONTROL INDICATOR IS NEVER ON .
The brake warning indicator is never/always on	Circuitry Parking brake switch Smart junction box (SJB) Instrument cluster Anti-lock brake system (ABS) module	See PINPOINT TEST 16: BRAKE WARNING INDICATOR IS NEVER/ALWAYS ON .
The door ajar warning indicator is inoperative	Circuitry Smart junction box (SJB) Instrument cluster	See PINPOINT TEST 17: DOOR AJAR WARNING INDICATOR IS INOPERATIVE .
The safety belt warning indicator is never/always on	Circuitry Safety belt buckle switch Instrument cluster	See PINPOINT TEST 18: SAFETY BELT WARNING INDICATOR IS NEVER/ALWAYS ON .
The 4WD and the 4WD LOW indicator is never/always on	Circuitry 4WD control module Instrument cluster	See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON .
The air bag warning indicator is never/always on	Circuitry Instrument cluster Restraint control module (RCM)	See PINPOINT TEST 20: AIR BAG WARNING INDICATOR IS NEVER/ALWAYS ON .
Incorrect fuel gauge indication	Circuitry Fuel level sender Fuel tank Powertrain control module (PCM) Instrument cluster	See PINPOINT TEST 21: INCORRECT FUEL GAUGE INDICATION .
The instrument cluster is inoperative	Fuse(s) Circuitry Instrument Cluster	See PINPOINT TEST 22: THE INSTRUMENT CLUSTER IS INOPERATIVE. .