Corolla L4-1.8L (1ZZ-FE) (2004)
Wheel Speed Sensor: Service and Repair
Speed Sensor, Rear
SKID CONTROL SENSOR
REPLACEMENT
HINT: Replace the RH side by the same procedure as the LH side.
1. REMOVE REAR WHEEL
2. REMOVE REAR BRAKE DRUM SUB-ASSY
3. DISCONNECT SKID CONTROL SENSOR WIRE
a. Disconnect the skid control sensor wire connector from the skid control sensor.
4. REMOVE REAR AXLE HUB & BEARING ASSY LH
5. REMOVE SKID CONTROL SENSOR
a. Mount the rear axle hub in a soft jaw vise.
NOTICE: Replace the axle hub assembly if it is dropped or a strong shock is given to it.
b. Using a pin punch and hammer, drive out the 2 pins and remove the 2 attachments from SST
c. Using SST and 2 bolts (Diameter: 12 mm, pitch: 1.5 mm), remove the skid control sensor from the rear axle hub.
SST 09520-00031 (09520-00040), 09521-00020, 09950-00020
NOTICE:
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If a damage is inflicted to the sensor rotor, replace the axle hub assembly.
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Do not scratch the contacting surface of axle hub and speed sensor.
6. INSTALL SKID CONTROL SENSOR
a. Clean the contacting surface of the axle hub and a new speed sensor.
NOTICE: Do not stick any foreign objects to the sensor rotor.