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Symptom List: INTERMITTENT SIGNAL FROM REAR SENSOR Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be INTERMITTENT SIGNAL FROM When Monitored and Set Condition: INTERMITTENT SIGNAL FROM REAR SENSOR When Monitored: Ignition turned on for at least 3.5 seconds. Average filtered speed for the wheels above 19 km/h (12 mph) (brake released or ABS inactive) or 32 km/h (20 mph) Set Condition: There is no output signal from the sensor for 15 milliseconds (ms). NO SIGNAL FROM REAR SENSOR When Monitored: Vehicle speed above 6 km/h (4 mph) for 2 seconds. Set Condition: Low feedback voltage from the Brake Pressure Switch Sense circuit. The above criteria satisfied for 255 consecutive checks spaced 5 milliseconds apart (1.3 seconds POSSIBLE CAUSES REAR WHEEL SPEED SENSOR OR CONNECTOR DAMAGED TONE WHEEL DAMAGED REAR WHEEL SPEED SENSOR AIR GAP OUT OF SPECIFICATION REAR WHEEL SPEED SENSOR INOPERATIVE CAB - WON’T RESPOND TO REAR WHEEL SPEED SENSOR SIGNAL INTERMITTENT SIGNAL DTC TEST ACTION APPLICABILITY 1 While an assistant drives the vehicle, monitor the Wheel Speed Sensors using the t. Slowly accelerate as straight as possible from a stop to 24 km/h (15 mph). All Yes → No → 19 BRAKES (CAB) |