Checking IAC Motor

Tests 1 - 4:

Tests 5 - 7:

SYMPTOM
CHECKING IAC MOTOR OPERATION WITH NO DTC'S

POSSIBLE CAUSES
- IAC # 1 driver circuit open
- IAC # 2 driver circuit open
- IAC # 3 driver circuit open
- IAC # 4 driver circuit open
- Powertrain control module (IAC driver)