Inspection Procedure 4

INSPECTION PROCEDURE 4: Remote controlled radio switch: The system does not recognize the remote controlled radio switch (LH) only. [Vehicles with audio amplifier]

CIRCUIT OPERATION

Refer to Inspection Procedure 2 Inspection Procedure 2.

TECHNICAL DESCRIPTION (COMMENT)

Refer to Inspection Procedure 2 Inspection Procedure 2.

TROUBLESHOOTING HINTS

Refer to Inspection Procedure 2 Inspection Procedure 2.

DIAGNOSIS

Required Special Tools:

- MB991223: Harness set
- MB992006: Extra Fine Probe

STEP 1. Measure the resistance at remote controlled radio switch (LH).

(1)Remove the airbag module assembly Service and Repair).





(2)Measure the resistance by operating the remote controlled radio switch (LH) in each position.





Q. Is the resistance at the left remote controlled radio switch normal?

YES Go to Step 2.

NO Replace the remote controlled radio switch (LH).

STEP 2. Check the radio switch (LH) connector C-311 and clock spring connector C-303 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q. Is remote controlled radio switch (LH) connector C-311 and clock spring connector C-303 in good condition?

YES Go to Step 3.

NO Repair or replace the connector. Harness Connector Inspection. The remote controlled radio switch (LH) should work normally.

STEP 3. Check the wiring harness between remote controlled radio switch connector C-311 (terminals1 and 2) and clock spring connector C-303 (terminals 4 and 5).





Q. Are the wiring harness between remote controlled radio switch connector C-311 (terminals 1 and 2) and clock spring connector C-303 (terminals 4 and 5) in good condition?

YES No action to be taken.

NO Repair the wiring harness. The remote controlled radio switch (LH) should work normally.