Circuit/System Testing
WARNING: This page is about a different variant/trim than selected.
- Verify a condition does not exist with the component:
- Induction System - Leaking/Loose Clamps/Missing components/Restricted/Visible Damage
- Exhaust System - Leaking/Loose Clamps/Missing components/Restricted/Visible Damage - Refer to: Symptoms - Engine Exhaust for further diagnosis.
- If a condition exists
Repair or replace as necessary
- Go to next step: If no condition exists
- Verify the following conditions do not exist:
- Coolant consumption - Refer to: Loss of Coolant
- Fuel - Contaminated/Poor Quality - Refer to: Contaminants-in-Fuel Diagnosis
- Oil consumption - Refer to: Oil Consumption Diagnosis
- If a condition exists
Repair or replace as necessary
- Go to next step: If no condition exists
- Perform the scan tool function: Particulate Filter Service Regeneration
- Verify sensor 2 is at least 100°C (180°F) warmer than sensor 1:
- Exhaust Gas Temperature Sensor 1
- Exhaust Gas Temperature Sensor 2
- If sensor 2 is not at least 100°C (180°F) warmer than sensor 1
Replace the component: Nitrogen Oxides Catalytic Converter - With Particulate Filter
- Go to next step: If sensor 2 is at least 100°C (180°F) warmer than sensor 1
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
Refer to step 1
- Go to next step: If no DTC is set
- If the DTC sets
- All OK.