The speed sensor detects wheel speed and sends the appropriate signals to the skid control ECU. These signals are used for ABS control.
Speed sensor rotors have 48 serrations The hall IC type speed sensor uses the frequency of output pulses to detect the vehicle speed. Because the
sensor outputs digital pulses, it can detect vehicle speeds even when the vehicle is nearly stationary.
HINT
- DTC C1413 is for the front speed sensor RH.
- DTC C1414 is for the front speed sensor LH.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When replacing the brake actuator assembly, perform zero point calibration and store system information See: Brakes and
Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Programming and Relearning.
PROCEDURE
1. CHECK HARNESS AND CONNECTOR (MOMENTARY INTERRUPTION)
(a) Using the Techstream, check for any momentary interruption in the wire harness and connector corresponding to the DTC See:
Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Component Tests and General
Diagnostics/Check for Intermittent Problems.
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