Warnings and indicators – fault diagnosis

WARNINGS AND INDICATORS – FAULT DIAGNOSIS

WARNINGS AND INDICATORS TROUBLESHOOTING HINTS

If more than one warning light is out, check power and ground wires common to all affected warning lights. If they are OK, replace Instrument Cluster (Z142). If the Brake Warning Light does not operate at all, check Instrument Cluster (Z142) and K Wire. For Australian Vehicles: If the Brake Warning Light, the Catalyst Warning Indicator, and the Transmission Box Oil Temperature Warning Light don’t illuminate, as a bulb test, with ignition on, replace Instrument Cluster (Z142). If all three indicators don’t turn off with the engine running, replace Instrument Cluster (Z142).

SYSTEM DIAGNOSIS

10. If the Charge Warning Light does not operate, go to Section B1. 11. If the Oil Pressure Warning Light remains illuminated with the oil pressure OK, do Test A. 12. If the Malfunction Indicator Lamp (Check Engine) does not operate, do Test B. 13. If the Glow Plug Indictor does not operate, do Test C. 14. If the Brake Warning Light does not operate with the Brake Fluid Level low, do Test D. 15. If the Brake Warning Light does not operate with an ABS problem, do Test E. 16. If the Brake Warning Light does not operate with the handbrake applied, do Test F. 17. The Transmission/Transfer Box Oil Temperature Warning Light is illuminated as a bulb test with the Ignition Switch (X134) in position III. If the light does not illuminate, do Test G. 18. If the Transmission/Transfer Box Oil Temperature Warning Light is illuminated with both the Transfer Box Oil Temperature and the Automatic Oil Temperature OK, do Test H. 19. If a warning light exhibits any symptom not mentioned above, check the associated bulb, wires, switches and components.

E L E C T R I C A L T R O U B L E S H O O T I N G

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