Troubleshooting

DTC P0766 SHIFT SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE S4)

SYSTEM DESCRIPTION

DTC Detecting Condition (1MZ-FE):

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 - 3:

Step 4 - 5:

INSPECTION PROCEDURE