Dodge ZB 2005 Service Manual page 1259

DRIVEABILITY - GAS
P1195-O2 SENSOR 1/1 SLOW DURING CATALYST MONITOR —
TEST
2 Start the engine.
Inspect the exhaust for leaks between the engine and the appropriate O2 Sensor.
Are there any exhaust leaks?
Yes → Repair or replace the leaking exhaust parts as necessary.
→ Go To 3
No
3 Turn the ignition off.
Backprobe the O2 Sensor Signal circuit at the O2 Sensor harness connector and PCM
harness connector.
NOTE: Ensure the voltmeter leads are connected for positive polarity, meet
the terminals in the connector, and that there is good terminal to wire
connection.
NOTE: Ensure the voltmeter leads are connected for positive polarity
Start the engine.
Allow the engine to idle.
Is the voltage below 0.10 of a volt?
Yes → Go To 4
→ Repair the excessive resistance on the O2 Sensor Signal circuit.
No
4 Turn the ignition off.
Backprobe the (K900) Sensor ground circuit at the O2 Sensor harness connector and
PCM harness connector.
NOTE: Ensure the voltmeter leads are connected for positive polarity, meet
the terminals in the connector, and that there is good terminal to wire
connection.
NOTE: Ensure the voltmeter leads are connected for positive polarity
Start the engine.
Allow the engine to idle.
Is the voltage below 0.10 of a volt?
Yes → Go To 5
→ Repair the excessive resistance in the (K900) Sensor ground
No
5 Turn the ignition off.
If there are no possible causes remaining, view repair.
Repair
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Replace the O2 Sensor
Perform POWERTRAIN VERIFICATION TEST VER - 5.
138
Continued
APPLICABILITY
All
All
All
All