11.3
TROUBLESHOOTING FLASH CODE 11
[b] If active code 187/4 and any other codes are logged, refer to section 11.3.6.
Figure 11-1
Variable Speed Governor Circuit
11.3.3
Check Hand Throttle Sensor Adjustment
Perform the following steps to check the hand throttle sensor:
1. Remove jumper and reconnect hand throttle sensor.
2. Turn ignition ON.
3. Plug in DDR.
4. Select VSG COUNTS on the DDR.
5. Enable VSG. Set to idle position.
6. Read counts.
[a] If the count value set at idle (minimum throttle) is greater than 48 counts,
refer to section 11.3.5.
[b] If the count value set at idle (minimum throttle) is less than 48 counts,
refer to section 11.3.4.
11.3.4
Adjust Hand Throttle Sensor
Perform the following steps to adjust the hand throttle sensor:
1. Turn ignition OFF.
All information subject to change without notice.
11-6
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
