C1041

C1041-LEFT FRONT TONE WHEEL PERFORMANCE

For a complete wiring diagram Refer to Diagrams/Electrical. Electrical Diagrams.


- When Monitored:

With the ignition on.

- Set Condition:

When the Anti-Lock Brake Module detects periodic drops of a Wheel Speed Sensor (WSS) signal.







Diagnostic Test


1. CHECK FOR A DTC C1041-LEFT FRONT TONE WHEEL PERFORMANCE

NOTE: 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 met.

With the scan tool, read DTCs.

Does the scan tool display: C1041-LEFT FRONT TONE WHEEL PERFORMANCE active?

Yes

- Replace the Left Front Tone Wheel.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No


- Refer to the ABS-INTERMITTENT CONDITION TEST. ABS Intermittent Condition Test