TROUBLESHOOTING FLASH CODE 42
[b] If the resistance measurement is greater than 5 , or open, the signal line (#110) or
return line (#109) is open. Repair the open. Refer to section 42.3.16.
Engine Harness Connector to Timing Reference Sensor
42.3.11 Timing Reference Sensor Test
Perform the following steps to test the TRS.
1. Measure resistance of TRS across the sensor connector pins A and B.
[a] If the resistance measurement is greater than 200 , refer to section 42.3.13.
[b] If the resistance measurement is less than 100 , refer to section 42.3.13.
[c] If the resistance measurement is between 100 and 200 , refer to section 42.3.7.
42.3.12 Check Synchronous Reference Sensor Connectors
Perform the following steps to check the SRS connectors.
1. Check terminals at the SRS (both the SRS and harness side) for damage: bent, corroded,
and unseated pins or sockets, or a bad contact. See Figure 42-8.
[a] If terminals and connectors are damaged, repair them. Refer to section 42.3.16.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION