DTC 21

Inspection Procedure: Codes No.21, 22, 23, 24 Wheel Speed Sensor Excessive Gap Or Short Circuit:

COMMENT: These Diagnostic Trouble Codes (DTC) are output when the detection speed of the wheel speed sensors is below the standard value.

PROBABLE CAUSE:
- Improper installation of the wheel speed sensor.
- Malfunction of the wheel speed sensor.
- Malfunction of the ABS rotor.
- Malfunction of the wheel bearing.
- Malfunction of the wiring harness.
- Malfunction of the ABS-ECU.