Operation CHARM: Car repair manuals for everyone.

DTC 77

DTC 77 LOCK-UP DUTY SOLENOID

Step 1 - 6:




Step 7 - 9:




Step 10 - 13:





DIAGNOSIS:
The output signal circuit of lock-up duty solenoid is open or shorted.

TROUBLE SYMPTOM:
No lock-up (after engine warm-up).





WIRING DIAGRAM