P0152

Test 1 - Test 3:

Test 4 - Test 7:

SYMPTOM
P0152-O2 SENSOR 2/1 CIRCUIT HIGH VOLTAGE

TEST NOTE
This symptom is diagnosed using the test P0132-O2 SENSOR 1/1 CIRCUIT HIGH VOLTAGE.

WHEN MONITORED
O2 Sensor Heater Temperature is greater than 496° C (925° F) and battery voltage greater than 10.4 volts.

SET CONDITION
The Oxygen Sensor voltage is above 3.99 volts for 66.56 seconds. One trip fault.

POSSIBLE CAUSES
- O2 sensor voltage above 3.7 volts
- O2 sensor signal circuit shorted to voltage
- O2 sensor return circuit shorted to voltage
- O2 sensor
- O2 sensor signal circuit open
- O2 sensor return circuit open
- PCM