C1044-RIGHT REAR TONE WHEEL PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
When the Anti-Lock Brake Module detects periodic drops of a WSS signal.
| Possible Causes |
| RIGHT REAR TONE WHEEL/BEARING DAMAGE |
| DIRTY TONE WHEEL/SENSOR |
Diagnostic Test
1. CHECK FOR A DTC C1044-RIGHT REAR TONE WHEEL PERFORMANCENOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, read DTCs.
Record DTC and Freeze Frame information.
With the scan tool, erase DTCs.
Cycle the ignition switch off then on.
CAUTION: Ensure brake capability is available before road testing.
Test drive the vehicle in a straight line to 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 DTCs.
Does the scan tool display: C1044-RIGHT REAR TONE WHEEL PERFORMANCE?
Yes
- Go To 2
No
- Refer to the INTERMITTENT CONDITION diagnostic procedure.
- Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TESTING)
2. CHECK THE RIGHT REAR TONE WHEEL FOR DAMAGE
NOTE: Check the tone wheel teeth for missing teeth, cracks, or looseness. Teeth should be perfectly square, not bent, or nicked.
Check the Right Rear Tone Wheel for damage.
Check the Right Rear Tone Wheel for dirt.
Was the tone wheel dirty?
Yes
- Clean tone wheel and sensor. Clear codes and retest.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
- Replace the Right Rear Tone Wheel in accordance with the Service Information.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).