Installation Visual Inspection
1. Inspect the following items:
If there is any malfunction, replace the applicable part.
a. Excessive play of the ABS wheel-speed sensor
b. Deformation of the ABS wheel-speed sensor
c. Deformation or damage of the ABS sensor rotor
Clearance Inspection
1. Remove the ABS wheel-speed sensor.
2. Measure the distance between the ABS wheel-speed sensor installation surface and the ABS sensor rotor. This is dimension A.
3. Calculate the clearance between the front ABS wheel-speed sensor and the ABS sensor rotor using the following formula:
Clearance (mm {in}) = A-34.35 {1.352}
4. Verify that the clearance between the ABS sensor rotor and the ABS wheel-speed sensor is as indicated below.
If there is any malfunction, replace it.
0.3—1.4 mm {0.02—0.05 in}
Sensor Output Value Inspection
1. Switch the ignition to off.
2. Connect the M-MDS to the DLC-2.
3. Select the following PIDs using the M-MDS:
WSPD_SEN_LR (LR ABS wheel-speed sensor)
WSPD_SEN_RR (RR ABS wheel-speed sensor)
4. Start the engine and drive the vehicle.
5. Verify that the display of the M-MDS shows the same value as the speedometer.
If there is any malfunction, replace the ABS wheel-speed sensor.
How the SRS Air Bags Work
Your Mazda is equipped with the following types of SRS air bags. SRS air bags
are designed to work together with the seat belts to help to reduce injuries during
an accident.
The SRS air bags are designed to provide further protection for passengers in
addition to the seat belt functions. Be ...
Headlight Auto Leveling System Initialization
NOTE:
The AFS control module records the vehicle height while it is unoccupied
by performing the headlight auto leveling system initial setting.
Perform headlight auto leveling system initial setting if any of the following
work is performed.
AFS control module rep ...
Tachometer
Purpose
The tachometer notifies the driver of the engine speed.
Function
The instrument cluster controls the tachometer needle based on the engine
speed signal from the PCM and displays the engine speed per minute.
Construction
An analog needle display tachometer ...