Circuit/System Verification

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

Engine - Idling
Verify there is no abnormal noise from the component: Engine
- If an abnormal noise is present
  Refer to: Symptoms - Engine Mechanical
- Go to next step: If no abnormal noise is present
Perform the scan tool learn/reset function: Crankshaft Position Variation Learn
Verify there are no DTCs set related to the following system/component:
- B23 Camshaft Position Sensor
- B26 Crankshaft Position Sensor
- Q17 Fuel Injector
- Fuel System
- Mechanical Condition
- 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
Perform the scan tool control function: Cylinder Power Balance - Enable
Verify the sound of the engine changes the same way when turning off each individual injector.
- If the engine sound does not change the same way for one or more cylinders
  Refer to: Circuit/System Testing
- Go to next step: If the engine sound changes the same way for all cylinders
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: Circuit/System Testing
- Go to next step: If the DTC does not set
All OK.