Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

Ignition - On/Vehicle - In Service Mode
Verify there are no DTCs set related to the following component/system:
- B115 Vehicle Speed Sensor
- B345R Exhaust Pressure Differential Sensor - Exhaust Gas Recirculation
- M122 Exhaust Pressure Regulator Valve
- If a related DTC is set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If a related DTC is not set
Verify the following conditions do not exist:
- Catalytic Converter- Rear - Restricted
- Exhaust Flow Control Valve. - Coking/Debris on the component./Restricted/Stuck
- Exhaust System - Restricted
- Nitrogen Oxides Catalytic Converter- Rear - Restricted
- If a condition exists
  Repair or replace as necessary
- Go to next step: If no condition exists
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
  A condition with the system still exists - Refer to step 1
- Go to next step: If the DTC is not set
All OK.