3 L4-2.5L (2010)
Wheel Speed Sensor: Component Tests and General Diagnostics
Antilock Brake System (ABS)
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.
3. Select the following PIDs using the M-MDS:
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WSPD_LF
(LF wheel-speed sensor)
-
WSPD_RF
(RF 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 front ABS wheel-speed sensor.
Installation Visual Inspection
1. Inspect for the following:
-
If there is any malfunction, replace the part.
a. Excessive play of the front ABS wheel-speed sensor
b. Deformation of the front ABS wheel-speed sensor
Clearance Inspection
Preparation prior to inspection
1. Remove the front ABS wheel-speed sensor. See: Service and Repair/Front - ABS Wheel-Speed Sensor Removal/Installation
2. Remove the wheel hub, steering knuckle component. See: Steering and Suspension/Steering/Front Steering Knuckle/Service and Repair/Removal
and Replacement
3. Install the front ABS wheel-speed sensor to the removed the wheel hub, steering knuckle component, and tighten to the specified torque.