Intermittent Signal From Rear Sensor
SYMPTOM
INTERMITTENT SIGNAL FROM REAR SENSOR
TEST NOTE
This symptom is diagnosed using the test INTERMITTENT SIGNAL FROM LEFT FRONT 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 applied or ABS inactive) or 32 km/h (20 mph) (brake released or ABS active).
SET CONDITION
There is no output signal from the sensor for 15 milliseconds (ms).
POSSIBLE CAUSES
- Wheel speed sensor or connector damage, looseness or metal chips
- Intermittent DTC
- Wheel speed sensor (+) circuit shorted to ground
- Wheel speed sensor (-) circuit shorted to ground
- Wheel speed sensor shorted to ground
- CAB - internal short or open
- Wheel speed sensor (+) circuit open
- Wheel speed sensor (-) circuit open
- Wheel speed sensor circuit (+) shorted to voltage
- Wheel speed sensor circuit (-) shorted to voltage
- Wheel speed sensor circuits short together
- Wheel speed sensor resistance out of specification
- Tone wheel/ring damage