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
2770-03 Throttle Hold
2. Disconnect the RH joystick con-
Resume/Decel Switch Volt-
trol harness connector (WP 0283)
age Above Normal - Contin-
PE-C9 (WP 0009, Figure 38) from
ued
the right hand joy stick.
3. Disconnect the RH joystick con-
trol harness connector PE-C8
(WP 0009, Figure 50) from the
RH joystick.
4. Install a jumper wire between har-
ness connector PE-C8 (WP 0009,
Figure 50) terminal 3 and
machine ground.
5. While the Throttle Resume/Decel
Continuity - Proceed to step 6.
Switch (TM 5-3805-293-10) is
No Continuity - Replace RH joystick
depressed use a digital multime-
(WP 0283).
ter and test for continuity on
Throttle Resume/Decel Switch
connector (WP 0009, Figure 49)
pin 2 and ground.
6. Using a digital multimeter, test for
Continuity - Proceed to Test Step 3.
continuity on Throttle Resume/
No Continuity - Replace RH joystick
Decel Switch connector (WP
(WP 0283).
0009, Figure 49) pin 3 and
ground.
Test Step 3. Test Throttle Lock
Resume/Decel Cables for Continu-
ity.
1. Install a jumper wire between
harness connector PE-C9 (WP
0009, Figure 38) terminals 2 and
3.
2. Disconnect connector FA-C17
(WP 0009, Figure 14) from
Engine ECM connector J1.
Change 1