DDEC TROUBLESHOOTING
17.3 TROUBLESHOOTING FLASH CODE 17
The following procedure will troubleshoot Flash Code 17.
17.3.1
Check Actuator
Perform the following steps to check the actuator.
1. Unplug throttle actuator connector.
2. Turn ignition ON.
3. Plug in DDR.
[a] If code p 051/3 is logged, refer to section 17.3.3.
[b] If code p 051/4 is logged, refer to section 17.3.5.
17.3.2
Check Connectors
Perform the following steps to check the connectors.
1. Turn ignition OFF.
2. Check connectors, ECM side and throttle actuator side, for damaged, bent or broken pins.
[a] If the connectors are not damaged, replace the actuator. Refer to section 17.3.6.
[b] If the connectors are damaged, bent or have broken pins, repair or replace the
connectors or pins; refer to section 17.3.6.
17.3.3
Check Sensor
Perform the following steps to check the sensor.
1. Turn ignition OFF.
2. Unplug the engine sensor harness.
3. Measure resistance between W1 and R1. See Figure 17-1.
[a] If the resistance measurement is less than or equal to 1,000 , the wires are
shorted to each other. Repair the short or replace the engine sensor harness.
Refer to section 17.3.6.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
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