TM 5-3805-293-23-1
0011
Table 2. Engine Troubleshooting with Codes for the 120M Motor Grader - Continued.
CDI FMI CODE
ERROR/EVENT
CORRECTIVE ACTION
0549-02 Throttle Lock
7.
Switch Data Erratic, Intermit-
continuity at the harness connec-
harness is shorted, replace switch
tent, or Incorrect - Contin-
panel wiring harness (WP 0265).
ued
terminal 4 and terminal 2. There
should be no continuity.
harness is shorted, replace cab upper
wiring harness (WP 0265).
8. Remove rear bulkhead cover
plate (WP 0266) and disconnect
ure 18) from connector FA-C23
Voltage Less Than 18 - 24 Volts -
9. Using a digital multimeter, mea-
Proceed to step 10.
sure for voltage between harness
Voltage Within 18 - 24 Volts - Cab
ure 17) terminal 16 and terminal
lower wiring harness shorted, replace
20 ground.
cab lower wiring harness (WP 0266).
Voltage should be 18-24 Volts DC.
Connect harness connector A-C9
mode switch.
10. Turn the ignition switch and bat-
tery disconnect switch to the OFF
position.
11. Disconnect connector FA-C17
Engine ECM connector J1.
continuity between the harness
harness is shorted, replace rear
chassis wiring harness (WP 0189).
ure 14) terminal 50 and all other
FE-C1 terminals. There should be
Figure 33) to connector P-C3 (WP
no continuity.
Connect harness connector A-C9
mode switch.
Engine ECM (WP 0067).
Figure 33) to connector P-C3 (WP
Connect harness connector A-C9
mode switch.
0011-135
Change 1