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Table 1. Transmission Code (1471-02 to 1961-04) Troubleshooting Procedures - Continued.
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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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
Test Step 2. Test for 10 Volts at RH
Power Supply Voltage
Joystick.
Above Normal - Continued
1. Turn ignition switch and battery
disconnect switch to the OFF
position.
2. Disconnect the cab lower wiring
harness connector P-C8 (WP
0009, Figure 50) from RH joystick
connector J-1 (WP 0283).
3. Turn ignition switch and battery
disconnect switch to the ON posi-
tion.
4. Using digital multimeter, measure
Voltage OK (9.6 - 10.4 Volts) - 10 Volt
voltage between P-C8 (WP 0009,
power supply from transmission ECM
Figure 50) terminal 6 and terminal
OK. Replace RH joystick (WP 0283).
8 (ground). Voltage should be
Connect the steering position sensor
between 9.6 - 10.4 volts.
harness connector UA-C2 (WP 0009,
Figure 192) to left steering position
sensor (WP 0009, Figure 193) (WP
0136). Proceed to step 5.
Voltage Not OK - Proceed to Test
Step 3.
5. Using the MSD (WP 0006), select
1482-04 Code Active - Repeat trou-
Trans/chassis 120M and verify
bleshooting code from the beginning.
1482-04 is not active.
1482-04 Code Not Active - Trouble-
shooting complete.
Test Step 3. Test for Shorted Rear
Chassis Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to the OFF
position.
2. Disconnect the rear chassis wir-
ing harness connector FA-C20
(WP 0009, Figure 113) from trans-
mission ECM J1 (WP 0009, Fig-
ure 112).
0019-77


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