TM 10-3930-675-24-1
ELECTRONIC CONTROL UNIT (ECU) INPUT VOLTAGE TROUBLESHOOTING - CONTINUED
0013 00
Table 3. Error Code 123 - 10V Reference Voltage for Servo ECU (790) Short Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 123 - 10V Reference Voltage for Servo 6. Reconnect X169 pin 2 wire
If voltage is <1V, disconnect
ECU (790) Short Circuit Failure - Continued.
GY. Disconnect wire GN from
X169 pin 2 wire GY again and
X169 pin 2 (WP 0048 00-9).
recheck 10V REF OUT voltage.
Enter "DIAG SERVO" 1(13)
If voltage (10V) returns, replace
in the diagnostic menu. Check
boom extension sensor (WP 0100
10V REF OUT voltage.
00).
0013 00-5
