ABS Trouble Code Charts For Select Monitor Results

1. MOTOR ON
Motor relay ON malfunction.

DIAGNOSIS:
^ Faulty motor relay.
^ Faulty motor.
^ Faulty motor sensor.
^ Faulty harness.
^ Faulty ABS/Traction Control System (TCS) control module.

TROUBLE SYMPTOM:
^ ABS does not operate.
^ TCS does not overate.

(Part 1 Of 2):

(Part 2 Of 2):

2. MOTOR OFF
Motor relay OFF malfunction.

DIAGNOSIS:
^ Faulty motor relay.
^ Faulty motor.
^ Faulty motor sensor.
^ Faulty harness.
^ Faulty ABS/Traction Control System (TCS) control module.

TROUBLE SYMPTOM:
^ ABS and TCS do not operate.

NOTE: The check can also be made by analyzing the sensor output signal with oscilloscope during the TCS sequence control operation. If the ECM female connector end gives correct value, skip steps 5 through 8 in the flowchart.
If not, operate the TCS sequence control again and measure the value at motor sensor male connector end, with the motor sensor connector disconnected. If the value is OK, proceed with steps 7 through 8 in the flowchart.