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Diagnostics For Failed On-Board Diagnostics
A: AT OIL TEMP INDICATOR LIGHT
Diagnosis
The AT OIL TEMP indicator light circuit is open or shorted.
Trouble Symptom:
- When ignition switch is turned to ON (engine OFF), AT OIL TEMP indicator light does not illuminate.
- When on-board diagnostics is performed, AT OIL TEMP indicator light remains illuminated.
Wiring Diagram
B: CONTROL MODULE POWER SUPPLY AND GROUND LINE
Diagnosis
Wiring Diagram