P1511

DTC P1511 / IDLE CHARGE ACTUATOR COMMAND SIGNAL INCORRECT (COIL 2)

- Open or short between ISA and ECM
- Bad connection of connectors / bad wiring
- Bad ISA







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.