1. Inspect terminals at the ECM connector (both the ECM and harness side) for damage:
bent, corroded, and unseated pins or sockets.
[a] If terminals and connectors are damaged, repair them. Refer to section 37.3.9.
[b] If terminals and connectors are not damaged, replace the FPS. Refer to section 37.3.7.
Perform the following steps to verify repairs.
1. Turn ignition switch OFF.
2. Reconnect all connectors.
3. Turn ignition ON.
4. Clear codes.
5. Start and run the engine for one minute.
6. Stop engine.
7. Check DDR for codes.
[a] If no codes are logged, no further troubleshooting is required.
[b] If code 94/3 is not logged, and other codes are logged, refer to section 9.1.
[c] If code 94/3 is logged, and other codes are logged, all system diagnostics
are complete. Please review this section from the first step to find the error.
Refer to section 37.3.1.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION