TEST
ACTION
APPLICABILITY
2
Turn the ignition off.
Inspect the Right Front Wheel Speed Sensor and Connector.
Is the Sensor or Connector Damaged?
All
Yes
→
Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No
→
Go To
3
3
Turn the ignition off.
Inspect the Tone Wheel for damaged or missing teeth, cracks, or looseness.
Note: The Tone Wheel Teeth should be perfectly square, not bent or nicked.
Is the Tone Wheel OK?
All
Yes
→
Go To
4
No
→
Replace the Tone Wheel.
Perform ABS VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Using a Feeler Gauge, measure the Wheel Speed Sensor Air Gap.
NOTE: The Air Gap should be checked in at least four places on the Tone
Wheel.
Is the Air Gap between 0.42 mm - 1.71 mm (0.017
9 - 0.0689) ?
All
Yes
→
Go To
5
No
→
Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the CAB harness connector C2.
Set up a voltmeter to measure AC voltage on the Right Front Wheel Speed Sensor
Signal Circuits at the CAB connector.
Raise the right front wheel off the ground.
Spin the wheel by hand at the rate of at least 1.0 rev/sec.
Measure the AC voltage on the Right Front Wheel Speed Sensor (+) and (-) Signal
Circuits.
Does the voltage go above 408 mV (2WD) or 460 mV (4WD) as the wheel is rotated?
All
Yes
→
Replace the Controller Antilock Brake in accordance with the
Service Information. Refer to the symptom *Replacing the Con-
troller Antilock Brake for additional information.
Perform ABS VERIFICATION TEST - VER 1.
No
→
Replace the Right Front Wheel Speed Sensor.
Perform ABS VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Visually inspect wheel speed sensor.
Visually inspect tone wheel.
Visually inspect wiring harness.
Visually inspect brakes for locking up due to lining contamination or overheating.
Inspect all Components for defects which may cause a Signal DTC to set.
Is any Component Damaged?
All
Yes
→
Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No
→
Test Complete.
23
BRAKES (CAB)
INTERMITTENT SIGNAL FROM RIGHT FRONT SENSOR —
Continued