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Home >> Lincoln >> 2006 >> LS V8-3.9L VIN A >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Pinpoint Tests >> Test F: DTC C1233 (LF), DTC C1234 (RF), DTC C1235 (RR), DTC C1236 (LR) - Wheel Speed Sensor Input Signal Missing

Test F: DTC C1233 (LF), DTC C1234 (RF), DTC C1235 (RR), DTC C1236 (LR) - Wheel Speed Sensor Input Signal Missing

Pinpoint Test F: DTC C1233 (LF), DTC C1234 (RF), DTC C1235 (RR), DTC C1236 (LR) Wheel Speed Sensor Input Signal Missing

Normal Operation
The wheel speed sensor and sensor ring generate a square wave signal to the anti-lock brake system (ABS) module that is proportional to wheel speed. The ABS module compares wheel speed inputs from all wheel speed sensors to determine an impending wheel lockup.

Possible Causes
^ Mismatched tire sizes
^ Wheel speed sensor ring
^ Wheel speed sensor
^ ABS module

F1-F5:




F5:




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