FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Transmission Control Systems

TROUBLE CODE 23: ENGINE SPEED SIGNAL

DIAGNOSIS:
- Engine speed input signal circuit is open or shorted.

TROUBLE SYMPTOM:
- No lock-up (after engine warm-up).
- AT OIL TEMP indicator remains on when vehicle speed is "0".





WIRING DIAGRAM
























PROCEDURES