Chrysler PT Cruiser 2001 Service Manual Supplement page 1987

BRAKES (CAB)
Symptom:
LEFT REAR SENSOR SIGNAL FAILURE
When Monitored and Set Condition:
LEFT REAR SENSOR SIGNAL FAILURE
When Monitored: Wheel speed comparison is checked at drive off or every 7 milliseconds
(ms). Wheel speed continuity is checked every 7 milliseconds. Wheel speed phase length
supervision is checked every 7 milliseconds.
Set Condition: If, during an ABS stop, the CAB commands any valve solenoid on for an
extended length of time, and does not see a corresponding wheel speed change, the
Diagnostic Trouble Code (DTC) is set. The DTC can also set if the signal is missing or
erratic.
TONE WHEEL DEFECTIVE
LEFT REAR WHEEL SPEED SENSOR SIGNAL
INTERMITTENT SIGNAL DTC
LEFT REAR WHEEL SPEED SENSOR OR CONNECTOR DAMAGED
LEFT REAR WHEEL BEARING OUT OF SPECIFICATION
LEFT REAR WHEEL SPEED SENSOR FUNCTIONAL TEST
LEFT REAR WHEEL SPEED SENSOR AIR GAP OUT OF SPECIFICATION
CAB - UNABLE TO READ LEFT REAR WHEEL SPEED SENSOR SIGNAL
TEST
1 Turn ignition on.
With the DRBIII , read DTC's.
Are Left Rear Sensor Signal Failure and Left Rear Sensor Circuit Failure DTC's
present right now?
Yes → Refer to symptom LEFT REAR SENSOR CIRCUIT FAILURE in
→ Go To 2
No
2 Turn ignition on.
Have an assistant drive the vehicle while you monitor the Left Rear Wheel Speed
Sensor Signal, using the DRBIII .
Slowly accelerate as straight as possible from a stop to 24 Km/h (15 Mph).
With the DRBIII , monitor all wheel speed sensor signals.
Did the Left Rear Wheel Speed Sensor Signal show 0 Km/h (0 Mph)?
Yes → Go To 3
→ Go To 10
No
POSSIBLE CAUSES
ACTION
the BRAKES (CAB) category.
30
APPLICABILITY
All
All