STEP 1. Check of open circuit in PWR line between electric steering lock connector and fusible link
STEP 2. Check of short to power supply, short of ground, and open circuit in PCO line between electric steering lock connector and OSS-ECU connector
STEP 3. Check of short to power supply, short of ground, and open circuit in LIN line between electric steering lock connector and OSS-ECU connector
STEP 4. After performing the locking and unlocking operations of the electric steering lock, recheck the diagnostic trouble code.
(1) Erase the DTC.
(2) Turn the power supply mode of the engine switch from OFF to ON.
(3) Check if DTC is stored.
(4) Turn the power supply mode of the engine switch from ON to OFF.
Is the DTC stored?
Replace the electric steering lock and register the VIN (Refer to ). Then go to Step 5. Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).
STEP 5. Recheck for diagnostic trouble code.
(1) Erase the DTC.
(2) Turn the power supply mode of the engine switch from OFF to ON.
(3) Check if DTC is stored.
(4) Turn the power supply mode of the engine switch from ON to OFF.
Is the DTC stored?
Replace the OSS-ECU and register the VIN (Refer to ). The diagnosis is complete.