C1046–LEFT FRONT WHEEL PRESSURE PHASE MONITORING

For a complete wiring diagram Refer to Section 8W.

When Monitored:
During active ABS control.
Set Condition:
If the Anti-Lock Brakes Module detects a pressure reduction phase and the following pressure hold phase is too long.

WARNING: Ensure brake capability is available before road testing.

Perform the ABS Intermittent Condition diagnostic procedure in this Section.
Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TESTING)

Check the tone wheel teeth for missing teeth, cracks, and looseness. The teeth must be perfectly square, not bent, or nicked. Check the wheel bearing for worn/looseness.

Were any problems found?

Yes

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 met.

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 C1046–LEFT FRONT WHEEL PRESSURE PHASE MONITORING reset?

Yes