Circuit/System Verification

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

Ignition - On/Vehicle - In Service Mode
Verify DTC P0231, P0232, P023F, P0641, P1255, P0129, P12A6 is not set.
- If any of the DTCs are set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If none of the DTCs are set
Engine - Running
Verify the scan tool parameter: Fuel Pressure Sensor = 2.7 to 3.8 V
- If not between 2.7 and 3.8 V
  Refer to: Circuit/System Testing
- Go to next step: If between 2.7 and 3.8 V
Verify the scan tool parameter: Fuel Pressure Sensor = The value should not spike or drop out.
Perform the action while monitoring the parameter:
- Wiggle the harness and connector: B47 Fuel Pressure Sensor
- Wiggle the harness and connector: K111 Fuel Pump Driver Control Module
- If the value spikes or drops out
  Repair as necessary - Wiring/Terminal(s)/Electrical Connector(s)
- Go to next step: If the value does not spike or drop out
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.