Chrysler PT Cruiser 2001 Service Manual Supplement page 2532

DRIVEABILITY - GAS
Symptom List:
P0132-1/1 O2 SENSOR SHORTED TO VOLTAGE
P0138-1/2 O2 SENSOR SHORTED TO VOLTAGE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0132-1/1 O2 SENSOR SHORTED
TO VOLTAGE.
When Monitored and Set Condition:
P0132-1/1 O2 SENSOR SHORTED TO VOLTAGE
When Monitored: With engine running for more than 2 minutes and coolant temperature
above 76°C (170°F).
Set Condition: The oxygen sensor voltage is above 1.2 volts.
P0138-1/2 O2 SENSOR SHORTED TO VOLTAGE
When Monitored: With engine running for more than 2 minutes and coolant temperature
above 76°C (170°F).
Set Condition: The oxygen sensor voltage is above 1.2 volts.
O2S SENSOR GROUND CIRCUIT OPEN
O2S SIGNAL CIRCUIT OPEN
O2 SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
WIRING HARNESS INTERMITTENT PROBLEM
O2 SENSOR
PCM
TEST
1 Turn the ignition on.
With the DRB, read the DTC's.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
No
2 Disconnect the O2 Sensor harness connector.
Start the engine and allow the engine to idle.
Using the DRB, monitior the O2 sensor voltage.
Is the O2 voltage above 1.2 volts?
Yes → Go To 3
No
POSSIBLE CAUSES
ACTION
→ Go To 7
→ Replace the O2 Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
72
APPLICABILITY
All
All