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
1627-06 Fuel Pump Relay
2. Disconnect harness connector
Current Above Normal -
Continued
fuel prime pump relay.
3. Perform Fuel Pump Relay
1627-05 Becomes Active - Fuel
Command Override (WP 0035)
prime pump relay faulty, replace fuel
and check if diagnostic code
prime pump relay (Fuel Transfer
1627-05 becomes active.
Pump, Test Step 4, WP 0035).
1627-06 Remains Active - Proceed
to step 4.
4. Turn ignition switch and battery
disconnect switch to the OFF
position.
5. Disconnect harness connector
harness connector FA-C18 (WP
fuel prime pump relay control cir-
shorted between harness connector
cuit 365-YL for continuity between
FE-C1 relay harness connector FE-
harness connector FE-C1 (WP
C4, replace fuel wiring harness (WP
0009, Figure 27) terminal 2, and
0064).
all other terminals and ground.
There should be no continuity.
7. Disconnect Engine ECM harness
ure 14) from Engine ECM J1.
continuity between Engine ECM
harness is shorted between engine
harness connector FA-C17 (WP
ECM harness connector FA-C17 and
0009, Figure 14) terminal 64, and
harness connector FA-C18. Replace
all other terminals and ground.
rear chassis wiring harness (WP
0189).
There should be no continuity.
Connect harness connector FE-C4
pump relay.
Engine ECM (WP 0067).
Connect harness connector FE-C4
pump relay.
Connect harness connector FE-C1
0011-152