|
|
COMBINATION METER TSB Revision CHASSIS ELECTRICAL 54A-57 STEP 2. Using scan tool MB991958, read the audio visual YES : Troubleshoot the MMCS (Refer to ). NO : Go to Step 3. STEP 3. Recheck for diagnostic trouble code. position. (3) Check if DTC is set. YES : Replace the combination meter. to GROUP 00 − How to use Troubleshooting/inspection Service Points − How to Cope with Intermittent Malfunction DTC U1415: Coding not completed/Data fail CAUTION • If DTC U1415 is set, diagnose the CAN bus lines. • When replacing the ECU, always check that the communication circuit is normal. . DIAGNOSTIC FUNCTION If the vehicle information data is not registered to the . JUDGEMENT CRITERIA With the global coding counter value "0," if all the glo- . TROUBLESHOOTING HINTS • The CAN bus line may be defective. • The combination meter may be defective. • The ETACS-ECU may be defective. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicles Communication Interface (V.C.I.) • MB991827: M.U.T.-III USB Cable • MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system) |