Operation CHARM: Car repair manuals for everyone.

No. 4 Heated Outside Mirrors Do Not Operate-Rear Defogger Okay


Flowchart No. 4 Symptom
Heated outside mirrors do not operate (rear window defroster operates)
One heated outside mirror does not operate

Possible cause
^ Damaged heated outside mirror
^ Open or short circuit in wiring harness
^ Poor connection of connector

Step 1
1. Turn the ignition switch to ON.
2. Turn on the rear window defroster switch.

Voltmeter Connection:




Action Chart:





3. Measure the voltage at the (B/L) terminal wire of the outside mirror connector.

Step 2
1. Turn the ignition switch to OFF.
2. Disconnect the outside mirror connector.

Ohmmeter Connection:




Action Chart:





3. Check for continuity between the (B) terminal wire of the outside mirror connector and ground.