P0770

DTC P0770 Shift Solenoid "E" Malfunction (Shift Solenoid Valve SLU)





SYSTEM DESCRIPTION
The ECM uses the signals from the Throttle Position Sensor and Air-flow Meter to monitor the engagement condition of the lock-up clutch.
Then the ECM compares the engagement condition of the lock-up clutch with the lock-up schedule in the ECM memory to detect mechanical trouble of the shift solenoid valve SLU, valve body, torque converter clutch and automatic transmission assembly (clutch, brake or gear etc.).





DETECTING CONDITION

Step 1:

Step 2:

Step 3:

Step 4:

INSPECTION PROCEDURE

HINT: In case of using LEXUS hand-held tester, start the inspection from step 1 and in case of not using the LEXUS hand-held tester, start from step 2.