Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK BANK 1 MAP SENSOR AND PCM-1 CONNECTIONS
- Check for loose, damaged or corroded connections on the Bank 1 MAP Sensor or on the PCM-1.
Are there any loose or damaged connections?
Yes
- Repair the wiring connections as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 2
- Check for loose, damaged or corroded connections on the Bank 1 MAP Sensor or on the PCM-1.
- WIRING CHECK BETWEEN BANK 1 MAP AND PCM-1
- Check the wiring for an open circuit or high resistance between the Bank 1 MAP Sensor and (K46) of the connector on the engine side of the PCM-1.
Is there a high resistance or open condition in the wiring?
Yes
- Repair the open circuit or high resistance in the wiring.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- Check the wiring for an open circuit or high resistance between the Bank 1 MAP Sensor and (K46) of the connector on the engine side of the PCM-1.
- WIRING CHECK BETWEEN BANK 1 MAP AND PCM-1
- Check for a short circuit in the wiring between the Bank 1 MAP Sensor and (K46) of the connector on the engine side of the PCM-1.
Is there a short circuit in the wiring?
Yes
- Repair the short circuit in the wiring.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 4
- Check for a short circuit in the wiring between the Bank 1 MAP Sensor and (K46) of the connector on the engine side of the PCM-1.
- BANK 1 MAP OPERATION CHECK
- Check that the Bank 1 MAP Sensor is working properly.
Is the Bank 1 MAP Sensor operating properly?
Yes
- Go To 5
No
- Replace the Bank 1 MAP Sensor.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Check that the Bank 1 MAP Sensor is working properly.
- CHECK ENGINE CONTROL MODULE OPERATION
- Check that the master engine control module is working properly.
Is the Master engine control module operating properly?
Yes
- End of diagnosis.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the PCM-1.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Check that the master engine control module is working properly.