Z181

- Reconnect PCM.

- Disconnect ICM.

- Key On, Engine Off.

- Place the wiggle test switch to the "ON" position.

- Set the MODE switch to B.

- Press RESET button and wait 5 seconds for initialization.

- Wiggle Test.

- Are any fault memory LEDs On?

YES -- PRESS RESET button. CONTINUE to test until intermittent is isolated.

NO -- GO to Z182. Z182