Chrysler PT Cruiser 2001 Service Manual Supplement page 1977

BRAKES (CAB)
LEFT FRONT SENSOR CIRCUIT FAILURE —
TEST
10 Turn ignition off.
Disconnect the Left Front Wheel Speed Sensor Connector.
Note: Check connector - Clean/repair as necessary.
Disconnect the CAB Connector.
Note: Check connector - Clean/repair as necessary.
Measure the resistance between the Left Front Wheel Speed Sensor Signal Circuit
and ground.
Is the resistance below 15,000 ohms?
Yes → Repair the Left Front Wheel Speed Sensor Signal Circuit Shorted
→ Go To 11
No
11 Turn ignition off.
Disconnect the CAB Connector.
Note: Check connector - Clean/repair as necessary.
Measure the resistance of the Left Front Wheel Speed Sensor Circuits.
Is the resistance below 200 ohms?
Yes → Repair the Left Front Wheel Speed Sensor Circuits Shorted
→ Go To 12
No
12 Turn ignition off.
Disconnect the Left Rear Wheel Speed Sensor connector.
Note: Check connector - Clean/repair as necessary.
Disconnect the CAB connector.
Note: Check connector - Clean/repair as necessary.
Turn ignition on.
Measure the voltage of the Left Front Wheel Speed Sensor Signal Circuit.
Is the voltage above 1 volt?
Yes → Repair Left Front Wheel Speed Sensor Signal Cricuit Shorted to
→ Go To 13
No
13 Turn ignition off.
Disconnect the Left Front Wheel Speed Sensor connector.
Note: Check connector - Clean/repair as necessary.
Turn ignition on.
Measure the voltage of the Left Front Wheel Speed Sensor 12 Volt Supply Circuit.
Is the voltage above 10 volts?
Yes → Go To 14
→ Replace the CAB.
No
ACTION
to Ground.
Perform ABS VERIFICATION TEST.
Together and Replace the Left Front Wheel Speed Sensor.
Perform ABS VERIFICATION TEST.
Voltage and Replace Left Front Wheel Speed Sensor.
Perform ABS VERIFICATION TEST.
Perform ABS VERIFICATION TEST.
Continued
20
APPLICABILITY
All
All
All
All