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

...

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:

Front Door Checker Removal/Installation
1. Fully close the front door glass. 2. Disconnect the negative battery cable.. 3. Remove the inner garnish.. 4. Remove the front door trim.. 5. Remove the front door speaker.. 6. Remove the bolt A. 7. Remove the bolts B. 8. Pull out the front door checker from the front speake ...

B Pillar Upper Trim Removal/Installation
1. Remove the following parts: a. Adjuster anchor cover. b. Upper anchor installation bolts on the front seat belt. c. Front scuff plate. d. Rear scuff plate. 2. Partially peel back the seaming welt. 3. Remove the B-pillar lower trim.. 4. Grasp the lower end of the B-pillar upper trim, ...

Maintenance of the Active Driving Display
The combiner and mirror surface have a special coating. When cleaning, do not use a hard or rough-surface cloth, or cleaning detergent. In addition, if a chemical solvent gets on the active driving display, wipe it off immediately. Otherwise, the combiner and mirror could be damaged and the s ...