Chrysler 300M 2002 Service Manual page 2530

Symptom List:
P0135-O2 SENSOR 1/1 HEATER PERFORMANCE
P0141-O2 SENSOR 1/2 HEATER PERFROMANCE
P0155-O2 SENSOR 2/1 HEATER PERFORMANCE
P0161-O2 SENSOR 2/2 HEATER PERFORMANCE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0135-O2 SENSOR 1/1 HEATER
PERFORMANCE.
When Monitored and Set Condition:
P0135-O2 SENSOR 1/1 HEATER PERFORMANCE
When Monitored: Engine Running and Heater duty cycle greater than 0%
Set Condition: O2 Heater Temperature does not reach 575°C (959°F) within 45 second
during monitoring conditions. Two Trip Fault.
P0141-O2 SENSOR 1/2 HEATER PERFROMANCE
When Monitored: Engine Running and Heater duty cycle greater than 0%.
Set Condition: O2 Heater Temperature does not reach 400°C (752°F) within 45 second
during monitoring conditions. Two Trip Fault.
P0155-O2 SENSOR 2/1 HEATER PERFORMANCE
When Monitored: Engine Running and Heater duty cycle greater than 0%.
Set Condition: O2 Heater Temperature does not reach 575°C (959°F) within 45 second
during monitoring conditions. Two Trip Fault.
P0161-O2 SENSOR 2/2 HEATER PERFORMANCE
When Monitored: Engine Running and Heater duty cycle greater than 0%.
Set Condition: O2 Heater Temperature does not reach 400°C (752°F) within 45 second
during monitoring conditions. Two Trip Fault.
O2 HEATER ELEMENT
O2 SENSOR HEATER GROUND CIRCUIT OPEN
O2 HEATER CONTROL CIRCUIT OPEN
INTERMITTENT CONDITION
PCM
POSSIBLE CAUSES
101
DRIVEABILITY - NGC