|
|
STEERING WHEEL AUDIO REMOTE CONTROL SWITCH TSB Revision CHASSIS ELECTRICAL 54A-573 TECHNICAL DESCRIPTION (COMMENT) The power supply circuit to the steering wheel audio . TROUBLESHOOTING HINTS • Malfunction of steering wheel audio remote con- trol switch • Malfunctions of combination meter • Malfunction of the clock spring • Damaged harness wires and connectors DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB992006: Extra Fine Probe STEP 1. Check the combination meter. YES : Go to Step 2. STEP 2. Check steering wheel audio remote control switch connector C-213 in good condition? to GROUP 00E, Harness Connector Inspection STEP 3. Check the wiring harness between steering wheel • Check the ground wire for open circuit . Q: Is the wiring harness between steering wheel audio remote control switch connector C-213 (terminal 5) and connector(s) may have loose, corroded or damaged STEP 4. Check clock spring connectors C-202 and C-204 condition? to GROUP 00E, Harness Connector Inspection |