P0505

DTC P0505 / IDLE CONTROL SYSTEM MALFUNCTION (MECHANICAL ERROR)

- ISA is stuck in open position






CIRCUIT DIAGRAM





TROUBLE SHOOTING PROCEDURES

TROUBLESHOOTING HINTS
The MIL is ON or the DTC is displayed on the HI-SCAN under the following conditions:
- When the primary voltage side in ECM is in short or open circuit.
- The ignition closed loop control in ECM is out of order.
- Open or short circuit is observed in idle air control system when ignition switch is turned on.