P0508

Test 1 - 2:

Test 3 - 7:

SYMPTOM
P0508 - IAC MOTOR SENSE CIRCUIT LOW

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

SET CONDITION
IAC Valve Sense current is less than 146.33 mA for 500 milli seconds.

POSSIBLE CAUSES
- Intermittent condition
- IAC motor
- (K61) IAC motor driver circuit shorted to ground
- (K961) IAC motor sense circuit open
- (K961) IAC motor sense circuit shorted to ground
- (K61) IAC motor driver circuit open
- PCM