34.3
TROUBLESHOOTING FLASH CODE 34
[b] If active code 102/3 and any other codes except 102/4 are logged,
refer to section 34.3.3.
Figure 34-2
Turbo Boost Sensor Schematic
34.3.3
Check Turbo Boost Sensor Connectors
Perform the following steps to check the TBS connector.
1. Check terminals at the TBS connectors (both the TBS and harness side) for damage:
bent, corroded and unseated pins or sockets.
[a] If the terminals and connectors are damaged, repair them. Refer to section 34.3.11.
[b] If the terminals and connectors are not damaged, replace the TBS.
Refer to section 34.3.11.
34.3.4
Check for +5 Volt
Perform the following steps to check for +5 volt.
1. Remove jumper.
2. Turn ignition ON.
3. Measure voltage on TBS harness connector, pin C (red lead) to pin A (black lead).
[a] If the voltage measurement is greater than 6 volts, refer to section 34.3.10.
[b] If the voltage measurement is between 4 and 6 volts, refer to section 34.3.5.
[c] If the voltage measurement is less than 4 volts, refer to section 34.3.8.
All information subject to change without notice.
34-6
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
