Test F: The Heated Exterior Mirror Is Inoperative

PINPOINT TEST F: THE HEATED EXTERIOR MIRROR IS INOPERATIVE

Normal Operation
When the engine is running and the heated rear window switch is pressed, the electronic automatic temperature control (EATC) or the electronic manual temperature control (EMTC) grounds circuit CHI22 (WH/OG) and the heated rear window relay closes. When the heated rear window relay is closed, power is supplied to circuit CRD06 (BN/YE) to battery junction box (BJB) fuse 23 (15A). The heated exterior mirrors receive power from circuit CBB23 (BN/YE), through BJB fuse 23 (15A). Ground is supplied to the LH heated exterior mirror through circuit GD143 (BK/VT) and to the RH heated exterior mirror through circuit GD138 (BK/WH).

This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- Exterior mirror glass
- Exterior mirror

F1-F4:

F4-F6: