Troubleshooting
DTC P0766 SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE S4)SYSTEM DESCRIPTION
DTC Detecting Condition:
The ECM uses signals from the vehicle speed sensor to detect the actual gear position (1st, 2nd, 3rd or O/D gear).
Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical troubles of the shift solenoid valves and valve body.
Step 1:
Step 2:
Step 3 - 4:
Step 5 - 6:
INSPECTION PROCEDURE