C1041

C1041-LEFT FRONT TONE WHEEL PERFORMANCE

For a complete wiring diagram Refer to Diagram/Electrical. Diagrams By Number


- When Monitored:

With the ignition on.

- Set Condition:

When the Anti-Lock Brake Module detects periodic drops of a 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 meet.

With the scan tool, read DTCs.

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

Yes

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

No

- Perform the ABS Intermittent Condition diagnostic procedure. Testing and Inspection