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Trouble Shooting

Verify customer complaint. Perform a visual inspection, checking for blown fuses, disconnected or damaged wire harnesses and components. Ensure all fluid levels are correct. Repair or replace items as necessary and recheck. If no problems are found and faults are present, diagnose by symptom. See SYMPTOM DIAGNOSIS  table.

SYMPTOM DIAGNOSIS

Component Symptom (1) Test Or Action
All Meters Gauges & Illuminations No Display At All No. 1 
All Indicator Needles Do Not Illuminate Replace Circuit Plate
One Indicator Needle Does Not Illuminate No. 2 
Entire Character Plate Does Not Illuminate Replace Circuit Plate
Only One Side Of Character Plate Illuminates No. 3 
Light Control Switch (OFF-TAIL) Does Not Change Brightness No. 4 
Light Control Switch (Rheostat) Does Not Change Brightness No. 5 
Brightness Remains Dimmed With Light Control Switch Off Replace Circuit Plate
Character Plate Remains Illuminated With Starter Operating No. 6 
Speedometer Completely Inoperative No. 7 
Faulty Display Replace Meter Lens
Vehicle Speed Signal (4P) Faulty No. 8 
Tachometer Completely Inoperative No. 9 
Display Is Faulty Replace Meter Lens
Fuel Gauge Inoperative/Abnormal Operation No. 10 
Fuel Level Warning Does Not Illuminate Or Remains Illuminated No. 11 
Engine Coolant Temperature Gauge Inoperative/Abnormal Operation No. 12 
Odometer & Twin Trip Meter Display Does Not Alter While Driving No. 13 
Display Resets With Ignition Off No. 14 
Abnormal Display Replace Odometer Trip Meter
Outside Air Temperature Display Abnormal Display No. 15 
Engine Oil Level Warning Does Not Illuminate No. 16 
Remains Illuminated No. 17 
Transmission PWR Indicator Abnormal Operation Or Does Not Illuminate No. 18 
CRUISE MAIN Indicator Abnormal Operation Or Does Not Illuminate No. 19 
SNOW Indicator Abnormal Operation Or Does Not Illuminate No. 20 
Shift Position Indicator Abnormal Operation Or Does Not Illuminate No. 21 
TRAC OFF Indicator Abnormal Operation Or Does Not Illuminate No. 22 
ABS Warning Abnormal Operation Or Does Not Illuminate No. 23 
High Beam Indicator Abnormal Operation Or Does Not Illuminate No. 24 
Turn Signal Indicator Abnormal Operation Or Does Not Illuminate No. 25 
Seat Belt Warning Chime Abnormal Operation Or Does Not Chime (2)
Key Unlock Warning Chime Abnormal Operation Or Does Not Chime (2)
Window Washer Warning Abnormal Operation Or Does Not Illuminate No. 26 
(1) For test procedures, see SYMPTOM TESTS .
(2) See INTEGRATION RELAY  under COMPONENT TESTS.
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