Table 1. Transmission Code (1471-02 to 1961-04) Troubleshooting Procedures

Table 1. Transmission Code (1471-02 to 1961-04) Troubleshooting Procedures - Continued.

Maintenance Manual For Motorized Road Grader Model 120M - 1
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1163

TM 5-3805-293-23-1

0019

Table 1. Transmission Code (1471-02 to 1961-04) Troubleshooting Procedures - Continued.

CDI FMI CODE

TEST OR INSPECTION

CORRECTIVE ACTION

1482-03 10 Volt Sensor DC

3. Using digital multimeter, test for

Continuity - Proceed to Test Step 4.

Power Supply Voltage

continuity between rear chassis

No Continuity - Replace transmis-

Above Normal - Continued

wiring harness connector FA-C20

sion ECM (WP 0137).

(WP 0009, Figure 113) terminal

Connect the cab lower wiring harness

69, and all other terminals. There

connector P-C8 (WP 0009, Figure 50)

should be no continuity.

to RH joystick connector J-1 (WP

0283).

Connect the steering position sensor

harness connector UA-C2 (WP 0009,

Figure 192) to left steering position

sensor (WP 0009, Figure 193) (WP

0136). Proceed to step 4.

4. Using the MSD (WP 0006), select

1482-03 Code Active - Repeat trou-

Trans/chassis 120M and verify

bleshooting code from the beginning.

1482-03 is not active.

1482-03 Code Not Active - Trouble-

shooting complete.

Test Step 4. Test for Shorted Cab

Lower Wiring Harness.

1. Disconnect the cab lower wiring

harness connector P-C71 (WP

0009, Figure 18) (WP 0266) from

rear chassis wiring harness con-

nector FA-C23 (WP 0009, Figure

17).

2. Using digital multimeter, test for

Continuity - Proceed to Test Step 5.

continuity between cab lower wir-

No Continuity - Rear chassis wiring

ing harness connector P-C71

harness shorted, replace rear chassis

(WP 0009, Figure 18) terminal 1,

wiring harness (WP 0188).

and all other terminals. There