Checking IAC Motor

Tests 626 - 630:

Tests 631 - 633:

SYMPTOM
CHECKING IAC MOTOR OPERATION WITH NO DTC'S

POSSIBLE CAUSES
- IAC motor defective
- IAC # 1 driver circuit open
- IAC # 2 driver circuit open
- IAC # 3 driver circuit open
- IAC # 4 driver circuit open
- PCM defective (IAC driver)