DDEC TROUBLESHOOTING
[b] If terminals and connectors are not damaged, call Detroit Diesel Technical Service
for assistance.
Figure 22-4
ECM Vehicle Harness Connector
22.3.11 Check for Short
Perform the following steps to check for a short.
1. Turn ignition OFF.
2. Disconnect the vehicle harness connector at the ECM.
3. Measure resistance between sockets A (return #952) and C (5V #916) on the TPS harness
connector. See Figure 22-5.
[a] If resistance between sockets A and C is greater than 1,000
or open,
refer to section 22.3.12.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
22-9