37 - Intermittent Signal From Rear Sensor
Symptom List:INTERMITTENT SIGNAL FROM LEFT FRONT SENSOR - 27
INTERMITTENT SIGNAL FROM REAR SENSOR - 37
INTERMITTENT SIGNAL FROM RIGHT FRONT SENSOR - 23
LEFT FRONT SENSOR OPEN - 25
LEFT FRONT SENSOR SHORTED - 90
NO SIGNAL FROM LEFT FRONT SENSOR - 26
NO SIGNAL FROM REAR SENSOR - 36
NO SIGNAL FROM RIGHT FRONT SENSOR - 22
REAR SENSOR OPEN - 35 REAR
SENSOR SHORTED - 93
RIGHT FRONT SENSOR OPEN - 21
RIGHT FRONT SENSOR SHORTED - 91
Test 1-2:
Test 3-6:
Test 7-10:
Test 11-16:
Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be INTERMITTENT SIGNAL FROM LEFT FRONT SENSOR - 27.
When Monitored:
Ignition turned on for at least 3.5 seconds. Average filtered speed for the two front wheels above 6 km/h (4 mph). Speed for each suspect sensor above 32 km/h (20 mph) (brake applied or ABS active) or 19 km/h (12 mph) (brake released or ABS inactive).
Set Condition:
When there is a sudden change of output signal from the sensor.
INTERMITTENT SIGNAL FROM REAR SENSOR - 37
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) (brake applied or ABS active).
Set Condition:
When there is a sudden change of output signal from the sensor.
INTERMITTENT SIGNAL FROM RIGHT FRONT SENSOR - 23
When Monitored:
Ignition turned on for at least 3.5 seconds. Average filtered speed for the two front wheels above 6 km/h (4 mph). Speed for each suspect sensor above 32 km/h (20 mph) (brake applied or ABS active) or 19 km/h (12 mph) (brake released or ABS inactive).
Set Condition:
When there is a sudden change of output signal from the sensor.
LEFT FRONT SENSOR OPEN - 25
When Monitored:
Ignition on.
Set Condition:
When the CAB detects an open wheel speed sensor circuit.
LEFT FRONT SENSOR SHORTED - 90
When Monitored:
Ignition on.
Set Condition:
When no output signal and continuously excessive sensor resistance is detected.
NO SIGNAL FROM LEFT FRONT SENSOR - 26
When Monitored:
Ignition on.
Set Condition:
When one sensors signal is prevented above 4 mph while one or more other sensors are indicating that the vehicle is moving above 8 mph.
NO SIGNAL FROM REAR SENSOR - 36
When Monitored:
Ignition on.
Set Condition:
When one sensors signal is prevented above 4 mph while one or more other sensors are indicating that the vehicle is moving above 8 mph.
NO SIGNAL FROM RIGHT FRONT SENSOR - 22
When Monitored:
Ignition on.
Set Condition:
When one sensors signal is prevented above 4 mph while one or more other sensors are indicating that the vehicle is moving above 8 mph.
REAR SENSOR OPEN - 35
When Monitored:
Ignition on.
Set Condition:
When the CAB detects an open wheel speed sensor circuit.
REAR SENSOR SHORTED - 93
When Monitored:
Ignition on.
Set Condition:
When no output signal and continuously excessive sensor resistance is
detected.
RIGHT FRONT SENSOR OPEN - 21
When Monitored:
Ignition on.
Set Condition:
When the CAB detects an open wheel speed sensor circuit.
RIGHT FRONT SENSOR SHORTED - 91
When Monitored:
Ignition on.
Set Condition:
When no output signal and continuously excessive sensor resistance is detected.
POSSIBLE CAUSES
- WHEEL SPEED SENSOR OR CONNECTOR DAMAGE, LOOSENESS OR METAL CHIPS
- INTERMITTENT DTC - TOWING WITH IGNITION ON
- 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
- TONE WHEEL DAMAGED/MISSING
- EXCESSIVE WHEEL SPEED SENSOR AIR GAP
- WHEEL BEARING LOOSE/BINDING
- WHEEL SPEED SENSOR RESISTANCE OUT OF SPECIFICATION