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
1834-02 Ignition Key Switch
6. Using a digital multimeter, test for
No Continuity or Resistance More
Loss of Signal - Continued
continuity between PF-C1 (WP
Than Specified Value - Replace
0009, Figure 45) terminal 21 and
instrument panel harness (WP 0276).
ground.
Remove jumper wire between PF-C8
(WP 0009, Figure 36) terminal 4 and
There should be good continuity.
ground.
Connect the circuit breaker box (twist-
lock) harness connector FA-C41 (WP
0009, Figure 21).
Connect connector P-C70 (WP 0009,
Figure 16) to FA-C35 (WP 0009,
Figure 15).
Install rear bulkhead cover plate (WP
0266).
Continuity - (Resistance should be
less than 5.0 Ohms) - Replace Cab
Lower Wiring Harness (WP 0266).
Remove jumper wire between PF-C8
(WP 0009, Figure 36) terminal 4 and
ground.
Connect the circuit breaker box (twist-
lock) harness connector FA-C41 (WP
0009, Figure 21).
Connect ignition switch harness con-
nector PF-C8 (WP 0009, Figure 36) to
ignition switch.
Install instrument panel (WP 0276).
Test Step 4. Test Ignition Switch
Cables to Engine ECM.
1. Remove jumper wire between PF-
C8 (WP 0009, Figure 36) terminal
4 and ground.
2. Connect the circuit breaker box
(twistlock) harness connector FA-
C41 (WP 0009, Figure 21).
3. Install a jumper wire between PF-
C8 (WP 0009, Figure 36) terminal
1 and ground.
4. Disconnect connector FA-C17
(WP 0009, Figure 14) from
Engine ECM J1.
0011-175
Change 1
