DDEC TROUBLESHOOTING
65.3 TROUBLESHOOTING FLASH CODE 65
The following procedure will troubleshoot Flash Code 65.
65.3.1
Determine System and Failure
Determine system and failure as follows:
1. Is code 051/0 and system model year 1997 or older with a 24–volt power supply.
[a] Yes to both — install jumper and refer to section 65.3.8.
[b] No to either — for jumper harness already installed, refer to section 65.3.2.
65.3.2
Check for Voltage
Perform the following steps to check for voltage.
1. Unplug throttle actuator sensor harness connector. See Figure 65-1.
2. Turn ignition ON.
3. Measure voltage between cavity A and B of the connector.
[a] If the battery voltage reading (12v/24v) is ± 2 volts, refer to section 65.3.3.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
65-5
