AUTO-DIMMING MIRROR INSPECTION

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Operational Inspection

1.  Switch the ignition to ON.

2.  Move the vehicle to a place with a showroom level of brightness.

3.  Verify that the indicator light is illuminated.

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4.  Verify that the indicator light switches when the auto-dimming mirror on/off switch is pressed.

5.  While the indicator light is illuminated, verify that the mirror surface brightens.

6.  Cover the front light sensor with a hand and verify that the mirror surface darkens when light is shone on the rear light sensor.

7.  Remove your hand covering the front light sensor and verify that the mirror surface brightens.

•  If the auto-dimming mirror does not operate, inspect the terminal voltage. (See Terminal Voltage Table (Reference).)

Terminal Voltage Table (Reference)

1.  Measure the voltage at each terminal.

―  If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the auto-dimming mirror.

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Terminal	Signal name	Connected to	Measured condition	Voltage (V)	Inspection item(s)
A	—	—	—	—	—
B	—	—	—	—	—
C	R position signal	Back-up light switch (AT) / transmission range switch (MT)	R position	B+	•  Back-up light switch (AT) •  Transmission range switch (MT) •  Related wiring harnesses
			Other than R position	1.0 or less
D	GND	Body ground	Under any condition	1.0 or less	•  Related wiring harnesses
E	Power supply (IG1)	•  Ignition switch •  METER 15A fuse	Switch the ignition to ON	B+	•  Ignition switch •  METER 15A fuse •  Related wiring harnesses
			Switch the ignition to LOCK	1.0 or less