STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
STEP 2. DTC recheck after resetting CAN bus lines
(1) Erase the DTC.
(2) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3) Check if the DTC is set.
Is DTC C1560 set?
Go to Step 3. This diagnosis is complete.
STEP 3. Using scan tool MB991958, check the data list
STEP 4. Check whether the DTC is set again.
(1) Erase the DTC.
(2) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3) Check if the DTC is set.
Is DTC C1560 set?
Replace the EPS-ECU (Refer to ).Then go to Step 5. Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How to Cope with Intermittent Malfunctions ).
STEP 5. Check whether the DTC is set again.
(1) Erase the DTC.
(2) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3) Check if the DTC is set.
Is DTC C1560 set?
Return to Step 1. This diagnosis is complete.