Inspection Procedure 4

INSPECTION PROCEDURE 4: The System does not Recognize the Remote Controlled Radio Switch (LH) Only

CIRCUIT OPERATION
Refer to Inspection Procedure 2

TECHNICAL DESCRIPTION (COMMENT)
Refer to Inspection Procedure 2

TROUBLESHOOTING HINTS
Refer to Inspection Procedure 2

DIAGNOSIS

Required Special Tool:
- MB991223: Harness set

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

1. Remove the airbag module assembly (Refer to Air Bag Module(s) and Clock Spring)







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 Refer to 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