P0058

Test 1 - Test 5:

Test 6 - Test 7:

SYMPTOM
P0058-O2 SENSOR 2/2 HEATER CIRCUIT HIGH

TEST NOTE
This symptom is diagnosed using the test P0032-O2 SENSOR 1/1 HEATER CIRCUIT HIGH

WHEN MONITORED
Battery voltage above 10.6 volts, ASD is powered up, and O2 heater is off.

SET CONDITION
The O2 heater voltage is out of range high.

POSSIBLE CAUSES
- O2 sensor heater operation
- O2 heater element
- O2 heater ground circuit open
- O2 sensor
- O2 heater control shorted to voltage
- O2 heater control circuit open
- PCM