Chrysler PT Cruiser 2001 Service Manual Supplement page 2000

Symptom:
RIGHT FRONT SENSOR SIGNAL FAILURE
When Monitored and Set Condition:
RIGHT FRONT 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
RIGHT FRONT WHEEL SPEED SENSOR SIGNAL
INTERMITTENT SIGNAL DTC
RIGHT FRONT WHEEL SPEED SENSOR OR CONNECTOR DAMAGED
RIGHT FRONT WHEEL BEARING OUT OF SPECIFICATION
RIGHT FRONT WHEEL SPEED SENSOR FUNCTIONAL TEST
RIGHT FRONT WHEEL SPEED SENSOR AIR GAP OUT OF SPECIFICATION
CAB - UNABLE TO READ RIGHT FRONT WHEEL SPEED SENSOR SIGNAL
TEST
1 Turn ignition on.
With the DRBIII , read DTC's.
Are the Right Front Sensor Signal Failure and Right Front Sensor Circuit Failure
DTC's present?
Yes → Refer to symptom RIGHT FRONT SENSOR CIRCUIT FAILURE
→ Go To 2
No
2 Turn ignition on.
Have an assistant drive the vehicle while you monitor the Right Front 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 Right Front Wheel Speed Sensor Signal show 0 Km/h (0 Mph)?
Yes → Go To 3
→ Go To 10
No
POSSIBLE CAUSES
ACTION
in the BRAKES (CAB) category.
43
BRAKES (CAB)
APPLICABILITY
All
All