33.3
TROUBLESHOOTING FLASH CODE 33
[b] If active code 102/4 and any other codes except 102/3 are logged,
refer to section 33.3.3.
Figure 33-2
Turbo Boost Sensor
33.3.3
Return Circuit Check
Perform the following steps to check the return circuit.
1. Turn ignition switch OFF.
2. Install a jumper wire between pin A and pin B of the TBS harness connector.
See Figure 33-3.
3. Disconnect the engine harness connector at the ECM. See Figure 33-4.
4. Measure resistance between sockets P1 and Y2 on the engine harness connector.
[a] If resistance measurement is less than or equal to 5 , refer to section 33.3.4.
All information subject to change without notice.
33-6
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
