P0036

Test 1 - 4:

Test 5 - 9:

SYMPTOM
P0036-O2 SENSOR 1/2 HEATER CIRCUIT

TEST NOTE
This symptom is diagnosed using the test P0030-O2 SENSOR 1/1 HEATER CIRCUIT.

WHEN MONITORED
Engine Running.

SET CONDITION
The PCM detects the O2 Heater voltage is out of acceptable range. Below 0.0926 of a volt or above 0.3397 of a volt. One Trip Fault.

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
- O2 heater control shorted to Ground
- PCM