Mazda CX-5 Service & Repair Manual: 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 |
— |
— |
— |
— |
— |
|
B |
IG1 |
C/U IG1 15A fuse |
Switch the ignition ON (engine on or off) |
B+ |
|
|
Switch the ignition OFF (LOCK) |
1.0 or less |
||||
|
C |
— |
— |
— |
— |
— |
|
D |
R position signal |
Rear body control module (RBCM) |
R position |
B+ |
|
|
Other than R position |
1.0 or less |
||||
|
E |
— |
— |
— |
— |
— |
|
F |
GND |
Body ground |
Under any condition |
1.0 or less |
|
|
G |
— |
— |
— |
— |
— |
|
H |
— |
— |
— |
— |
— |
|
I |
— |
— |
— |
— |
— |
|
J |
Power supply |
ROOM 15 A fuse |
Under any condition |
B+ |
|
Auto Dimming Mirror
Purpose
The automatic glare prevention rearview mirror prevents the driver from being
affected by light from vehicles at the rear.
Structural view
System wiring diagram
Funct ...
Auto Dimming Mirror Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the screw B.
3. Remove the auto-dimming mirror in the direction of arrow (1) shown in the
figure.
4. Detach tabs while push the cov ...
Other materials:
Blind Spot Monitoring (BSM) System
Blind Spot Monitoring (BSM) System
The Blind Spot Monitoring (BSM) system is designed to assist the driver by monitoring
blind spots on both sides of the vehicle to the rear in certain situations such
as when changing lanes on roads and freeways.
The BSM system monitors the detection areas on ...
Engine Coolant Temperature (ECT) Sensor
Purpose/Function
Detects the ECT as basic information for mainly determining the fuel injection
amount.
Detects the ECT and inputs it to the PCM as an ECT signal.
The ECT sensor No.2 is only used for OBD.
Construction
ECT sensor No.1
Installed to the water out ...
Fan Switch Inspection [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Shift lever knob (MTX).
b. Glove compartment.
c. Front console box.
d. Shift panel.
e. Upper panel.
f. Rear console.
g. Side wall.
h. Decoration panel.
i. Front console.
3. Remove the climate control u ...
