P0152

Tests 329 - 333:

Tests 334 - 337:

SYMPTOM
P-0152 2/1 O2S SHORTED TO VOLTAGE

WHEN MONITORED
With the engine running fore more than 2 minutes and coolant temperature above 170 degrees F.

SET CONDITION
The oxygen sensor voltage is above 1.2 volts.

POSSIBLE CAUSES
- O2 sensor 2/1 wiring harn intermittent defect
- O2 sensor 2/1 wiring harn observable defect
- Signal circuit shorted to voltage (at PCM)
- Signal circuit shorted to voltage (wiring harn)
- O2 sensor 2/1 connector term(s) observable def
- O2 sensor 2/1 defective
- PCM connector terminal(s) observable defect
- PCM def (O2 sensor 2/1)