A11 - Check PIP Circuit For Short To Power

*** THIS ARTICLE REFLECTS CHANGES MADE BY TSB # 945B16, March 1994

- Key Off.

- Breakout box installed, PCM disconnected.

- ICM disconnected.

- EI harness installed.

- Key On, Engine Off.

- Measure voltage between Test Pin 49 at breakout box and battery negative post.

- Is voltage greater than 1.0 volts?

YES -- SERVICE short to power. REMOVE breakout box. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes

NO -- Go to A12. A12 - Check PIP Signal Circuit For Shorts To Ground