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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
1471-14 Steering Control
7. Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
Position Sensor #1 Special
resistance between rear chassis
Proceed to Test Step 5.
Instruction - Continued
wiring harness connector FA-C21
Resistance 5.0 Ohms or Greater -
(WP 0009, Figure 124) terminal
Proceed to Test Step 4.
18 and FA-C20 (WP 0009, Figure
113) terminal 45. Resistance
should be less than 5.0 ohms.
Test Step 4. Test for Open Cab
Upper Wiring Harness.
1. Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
resistance between cab lower wir-
Rear chassis wiring harness is open,
ing harness connector P-C69
replace rear chassis wiring harness
(WP 0009, Figure 46) terminal 49
(WP 0188).
and terminal 45.
Remove jumper wire between P-C51
Resistance should be less than
terminal 2 and terminal 4 (WP 0009,
5.0 ohms.
Figure 118).
Connect the cab lower wiring harness
connector P-C51 (WP 0009, Figure
118) to LH joystick connector J-1 (WP
0009, Figure 119) (WP 0282).
Connect the cab lower wiring harness
connector P-C39 (WP 0009, Figure
70) to implement ECM J-2 (WP 0009,
Figure 71) (WP 0268).
Connect the cab lower wiring harness
connector P-C41 (WP 0009, Figure
68) to implement ECM J-1 (WP 0009,
Figure 69) (WP 0268).
Proceed to step 2.
Resistance 5.0 Ohms or Greater -
Cab lower wiring harness is open,
replace cab lower wiring harness (WP
0266).
Connect the rear chassis wiring har-
ness connector FA-C21 (WP 0009,
Figure 124) to transmission ECM J2
(WP 0009, Figure 112).
Connect the rear chassis wiring har-
ness connector FA-C20 (WP 0009,
Figure 113) (WP 0154) to transmis-
sion ECM J1 (WP 0009, Figure 112).
Proceed to step 2.
2. Using the MSD (WP 0006), select
1471-14 Code Active - Repeat trou-
Trans/chassis 120M and verify
bleshooting code from the beginning.
1471-14 is not active.
1471-14 Code Not Active - Trouble-
shooting complete.
0019-23


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