6 - 14 FUEL INJECTION SYSTEM FI FI Fault code No. 13 Symptom Intake air pressure sensor: open or short circuit detected. Diagnostic code No. D03 Intake air pressure sensor Order Item/components and probable cause Check or maintenance job Reinstatement method 1 Connections • Intake air pressure sensor cou- pler • Main wire harness-ECU coupler • Check the coupler for any pins that may be pulled out. • Check the locking condition of the coupler. • If there is a malfunction, repair it and connect the coupler securely. Turning the main switch to “ON”. 2 Open or short circuit in wire har- ness. • Repair or replace if there is an open or short circuit.
• Between intake air pressure sen- sor coupler and ECU coupler (black/blue–black/blue) (pink–pink) (blue–blue) 3 Defective intake air pressure sen- sor. • Execute the diagnostic mode. (Code No.D03) • Replace if defective. Refer to “CHECKING THE INTAKE AIR PRESSURE SEN- SOR”.