Circuit/System Verification

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

Ignition - On/Vehicle - In Service Mode
Verify DTC P163A, P163B is not set.
- If DTC P163A, P163B is set
  Refer to: DTC P0090-P0092, P00C9, P00CA, P10E6-P10E8, P10EA, P163A, P163B, P2294-P2296, or P233A-P233C
- Go to next step: If DTC P163A, P163B is not set
Verify there are no DTCs set related to the following component/system:
- B47B Fuel Rail Pressure Sensor
- G12 Fuel Pump
- K111 Fuel Pump Power Control Module
- Q18A Fuel Pressure Regulator 1 - Control Circuit
- Q18B Fuel Pressure Regulator 2 - Control Circuit
- Q18C Fuel Pressure Regulator 3 - Control Circuit
- 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
Engine - Idling
Verify the scan tool parameter: Fuel Pressure Sensor = 370 to 450 kPa (54 to 65 PSI)
- If less than 370 kPa (54 PSI)
  Refer to: Fuel System Diagnosis
- If greater than 450 kPa (65 PSI)
  Refer to: Fuel Return System Diagnosis
- Go to next step: If between 370 and 450 kPa (54 and 65 PSI)
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 is not set
All OK.