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:
Low Fuel Warning Light
Purpose
The low fuel warning light warns the driver that the remaining fuel level
is low.
Function
The instrument cluster calculates the fuel quantity based on the following
CAN signals, and if a remaining fuel amount of approx. 10 L {2.6 US gal, 2.2
Imp gal} (fuel gauge ...
Front ABS Wheel Speed Sensor Inspection
Sensor Output Value Inspection
CAUTION:
Resistance inspection using other testers may cause damage to the ABS wheel-speed
sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed
sensor.
1. Switch the ignition to off.
2. Connect the M-MDS to the DLC-2. ...
Miller Cycle Engine
Outline
The Miller cycle engine is a high-efficiency engine which achieves high fuel
economy performance by obtaining a high-expansion ratio.
The Miller cycle engine achieves a high-expansion ratio without increasing
its effective compression ratio by retarding the intake air va ...
