Diagnostic Test

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

BANK 1 MAP AND ENGINE CONTROL UNIT CONNECTIONS CHECK
1. Check for loose, damaged or corroded connections on the Bank 1 MAP Sensor or on the master engine control unit.
  Are there any loose or damaged connections?
  
  Yes
  - Repair the wiring connections as necessary.
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
  No
  - Go to 2
WIRING CHECK BETWEEN BANK 1 MAP SENSOR AND ENGINE CONTROL UNIT
1. Check for a short circuit to battery voltage in the wiring between the Bank 1 MAP Sensor and (K1) of the connector on the engine side of the master engine control unit.
  Is there a short circuit to battery in the wiring?
  
  Yes
  - Repair the wiring and connections as necessary insulation to the battery.
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
  No
  - Go to 3
BANK 1 MAP SENSOR OPERATION CHECK
1. Check that the Bank 1 MAP Sensor is working properly.
  Is the Bank 1 MAP Sensor operating properly?
  
  Yes
  - End of diagnosis.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Bank 1 MAP Sensor.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .