Mazda 3 Service Manual: Auto Dimming Mirror Inspection

Mazda 3 Service Manual / Body / Mirrors / Auto Dimming Mirror Inspection

1. Measure the voltage at each terminal.

If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under “Inspection item (s)” and related wiring harnesses.

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.

Terminal Voltage Table (Reference)


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

Mirrors

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Auto Dimming Mirror Installation

1. Install the auto-dimming mirror onto the base. 2. Install the screw. 3. Connect the auto-dimming mirror connector. 4. Connect the negative battery cable.. ...

Other materials:

Instrument Cluster Removal/Installation
CAUTION: When replacing the instrument cluster, the configuration procedure must be performed before removing the instrument cluster. Replacing the instrument cluster without performing the configuration procedure will result in system malfunction. 1. Perform the instrument clust ...

Wheel Unit ID Registration
NOTE: After the wheel unit replacement, registration of the wheel unit identification codes must be performed. ID registration can be done using the M-MDS, or not using the M-MDS. Using M-MDS 1. Connect the M-MDS to DLC-2. 2. After the vehicle is identified, select th ...

Afs (Adaptive Front Lighting System) Control Module Removal/Installation
NOTE: Perform the auto leveling system initialization after newly replacing the AFS control module to assure that the auto leveling system operates correctly. 1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Passenger-side front scuff plate. b. Pass ...