TEST
ACTION
APPLICABILITY
3
NOTE: Ensure the voltmeter leads 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
Back probe the O2 Sensor Signal circuit at the O2 Sensor harness connector and
PCM harness connector.
Start the engine.
Allow the engine to idle.
Is the voltage below 0.10 volt?
All
Yes
→ Go To 4
No
→ Repair the high resistance on the O2 Sensor Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
4
NOTE: Ensure the voltmeter leads 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
Back probe the O2 Sensor ground circuit at the O2 Sensor harness connector and
PCM harness connector.
Start the engine.
Allow the engine to idle.
Is the voltage below 0.10 volt?
All
Yes
→ Go To 5
No
→ Repair the high resistance on the O2 Sensor ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the O2 Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
151
DRIVEABILITY - SBEC
P1195-1/1 O2 SENSOR SLOW DURING CATALYST MONITOR —
Continued