P0505

Tests 894 - 897:

Tests 898 - 901:

Tests 902 - 906:

Tests 906 - 909:

Tests 910 - 912:

Test 913:

SYMPTOM
P-0505 IAC MOTOR CIRCUIT

WHEN MONITORED
At key on and battery voltage greater than 11.5 volts.

SET CONDITION
The PCM senses a short to ground or battery voltage on any of the four IAC driver circuits for 2.75 seconds while the IAC motor is active.

POSSIBLE CAUSES
- DTC not equal to freeze frame DTC
- Idle air control motor defective
- IAC motor circuit wiring harness intermittent def
- IAC #4 driver circuit shorted to ground
- IAC motor driver (IAC#4) circuit open
- IAC #1 driver circuit shorted to ground
- IAC #1 driver ckt shorted to #2, #3 or #4
- IAC #2 driver circuit shorted to ground
- IAC #2 driver ckt shorted to #3 or #4
- IAC #3 driver circuit shorted to #4
- IAC #3 driver circuit shorted to ground
- IAC motor driver (IAC #1) circuit open
- IAC motor driver (IAC #2) circuit open
- IAC motor driver (IAC #3) circuit open
- PCM def (IAC #1)
- PCM def (IAC #2)
- PCM def (IAC #3)
- PCM def (IAC #4)