42.3
TROUBLESHOOTING FLASH CODE 42
[b] If terminals and connectors are not damaged, replace the TRS. Refer to section 42.3.14.
Figure 42-9
Engine Harness Connector to Timing Reference Sensor
42.3.14 Verify Synchronous Reference Sensor / Timing Reference Sensor
Perform the following steps to verify operation of the SRS/TRS.
1. Turn vehicle ignition OFF.
2. Reconnect all connectors.
3. Clear codes.
4. Start and run the engine for one minute.
5. Stop engine.
6. Check DDR for codes.
[a] If no codes are logged, troubleshooting is complete.
[b] If any codes except code 21/1 are logged, refer to section 9.1.
[c] If code 21/1 and any other codes are logged, and the TRS was not replaced,
refer to section 42.3.6.
[d] If code 21/1 and any other codes are logged, and the TRS was replaced,
refer to section 42.3.15.
42.3.15 Verify Cranking Voltage
Perform the following steps to verify cranking voltage.
All information subject to change without notice.
42-12
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
