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Inner Rear View Mirror: Inspection

INSPECT INNER REAR VIEW MIRROR ASSY

Inspect the inner rear view mirror assembly operation.
HINT:

Inspection should be done indoors.
1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 3.
2. Connect the positive (+) lead from the voltmeter to terminal 1 and the negative (-) lead to terminal 2.
3. Attach a black colored tape to the forward sensor to prevent it from sensing.
4. When the mode is turned to AUTO, check that the indicator light lights up.
5. Light up the mirror with an electric light, and check that there is battery positive voltage and the mirror surface changes to dark from bright.
If the operation is not as specified, replace the inner rear view mirror.

Fig 1: Inspecting Inner Rear View Mirror Assembly Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Inspect the inner rear view mirror assembly circuit.

Disconnect the connector from the mirror and inspect the connector on the wire harness side, as shown in Fig 2 .

If the result is not as specified, inspect the circuits connected to other parts.

Fig 2: Inspecting Connector On Wire Harness Side

G03479739

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

DIAGNOSTIC TABLE

Tester connection	Condition	Specified condition
3 < - > Ground	Constant	Continuity
6 < - > Ground	Ignition switch LOCK or ACC	No voltage
6 < - > Ground	Ignition switch ON	Battery positive voltage