Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Engine running.
- Verify the parameters listed below do not display Malfunction.
- HO2S 1 or 2 Heater Control Circuit High Voltage Test Status
- HO2S 1 or 2 Heater Control Circuit Open Voltage Test Status
- HO2S 1 or 2 Heater Control Circuit Low Voltage Test Status
- If Malfunction is displayed
Refer to Circuit/System Testing .
- If Malfunction is not displayed
- Observe the scan tool HO2S 1 Heater or HO2S 2 Heater parameter. The amperage should be between 0.3-2.4 A.
- If not between 0.3-2.4 A
Refer to Circuit/System Testing .
- If between 0.3-2.4 A
- If not between 0.3-2.4 A
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.
- Verify the DTC does not set.
- If the DTC sets
Refer to Circuit/System Testing .
- If the DTC does not set
- If the DTC sets
- All OK.