Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR DTCS
- CHECK CONNECTION ON HIGH FUEL PRESSURE SENSOR AND PCM-1
- Check for loose, damaged or corroded connections on the right bank high pressure fuel sensor or on the PCM-1.
Are there any loose or damaged connections?
Yes
- Repair the wiring connections as necessary.
No
- Go To 3
- Check for loose, damaged or corroded connections on the right bank high pressure fuel sensor or on the PCM-1.
- CHECK WIRING BETWEEN HIGH FUEL PRESSURE SENSOR AND PCM-1
- Check for a short circuit to battery voltage in the wiring between the right bank high pressure fuel sensor and PIN 40 of the connector on engine side of the PCM-1.
Is there a short circuit to battery in the wiring?
Yes
- Repair the wiring and connections as necessary insulation to the battery.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 4
- Check for a short circuit to battery voltage in the wiring between the right bank high pressure fuel sensor and PIN 40 of the connector on engine side of the PCM-1.
- CHECK FUEL HIGH PRESSURE SENSOR OPERATION
- Check that the right bank fuel high pressure sensor is working correctly.
Is the operation of the right bank high pressure fuel sensor incorrect?
Yes
- Replace the right bank high pressure fuel sensor.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 5
- Check that the right bank fuel high pressure sensor is working correctly.
- HIGH PRESSURE FUEL PUMP CHECK SOLENOID VALVE OPERATION
- Check that the right bank high pressure fuel pump solenoid valve is working correctly.
Is the right bank high pressure fuel pump solenoid valve operation incorrect?
Yes
- Replace the right bank high pressure fuel pump.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 6
- Check that the right bank high pressure fuel pump solenoid valve is working correctly.
- HIGH PRESSURE FUEL PUMP OPERATION CHECK
- Check that the right bank high pressure fuel pump is working correctly.
Is the operation of the right bank high pressure fuel pump incorrect?
Yes
- Replace the right bank high pressure fuel pump.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- End of diagnosis.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Check that the right bank high pressure fuel pump is working correctly.