C1047–RIGHT FRONT WHEEL PRESSURE PHASE MONITORING





For a complete wiring diagram Refer to Section 8W.



Possible Causes
RIGHT FRONT TONE WHEEL DAMAGED
WHEEL SPEED SIGNALS SWAPPED
RIGHT FRONT WSS
ANTI-LOCK BRAKES MODULE




Diagnostic Test

1. COMPARE WHEEL SPEED SENSOR SIGNALS

WARNING: Ensure brake capability is available before road testing.


With the scan tool, monitor ALL the WSS speeds while an assistant drives the vehicle.
Slowly accelerate as straight as possible from a stop to 40 km/h (25 mph).

Does the Right Front WSS speed differ from the other WSS speeds by 8 km/h (5 mph) or show NO speed?

Yes


No

2. INSPECT TONE WHEEL/BEARING

Turn the ignition off.
Visually inspect the tone wheel and bearing for damage.

Were any problems found?

Yes


No

3. CHECK WHEEL SPEED SENSOR WIRING

Check the Anti-Lock Brakes Module and Wheel Speed Sensors harness connectors for incorrectly wired connectors.

Were any problems found?

Yes


No

4. RIGHT FRONT WHEEL SPEED SENSOR

Replace the Right Front Wheel Speed Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST.
(Refer to 5 - BRAKES - STANDARD PROCEDURE).

CAUTION: Ensure brake capability is available before road testing.


Road test the vehicle over 40 km/h (25 mph).

NOTE: Vehicle must be driven above 40 km/h (25 mph) for set conditions to be meet.


With the scan tool, read ABS DTCs.

NOTE: The Anti-Lock Brake Module must sense ALL 4 wheels at 12 km/h (7.5 mph) before it will extinguish the ABS indicators.



Did DTC C1047–RIGHT FRONT WHEEL PRESSURE PHASE MONITORING reset?

Yes


No