P0509

Tests 1 - 3:

Tests 4 - 7:

SYMPTOM
P0509 - IAC MOTOR SENSE CIRCUIT HIGH

WHEN MONITORED
Engine running. The battery voltage greater than 10 volts.

SET CONDITION
IAC Valve Sense current is greater than 999.9 mA.

POSSIBLE CAUSES
- Intermittent condition
- IAC motor
- IAC motor sense circuit shorted to IAC motor driver circuit
- IAC motor sense circuit shorted to voltage
- IAC motor driver circuit shorted to voltage
- Powertrain control module