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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
1473-02 Steering Control
3.
Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
Position Sensor #3 Data
resistance between P-C71 (WP
Rear chassis wiring harness is open,
Erratic, Intermittent or Incor-
0009, Figure 18) terminal 6 and
replace rear chassis wiring harness
rect - Continued
P-C69 (WP 0009, Figure 46) ter-
(WP 0188).
minal 28 (WP 0009, Figure 18).
Remove jumper wire between P-C48
Resistance should be less than
terminal 2 (WP 0009, Figure 116) and
5.0 ohms.
P-C51 terminal 3 (WP 0009, Figure
118).
Connect the cab lower wiring harness
connector P-C48 (WP 0009, Figure
116) to LH joystick connector J-3 (WP
0009, Figure 117) (WP 0282).
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).
Proceed to step 4.
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-C20 (WP 0009,
Figure 113) (WP 0154) to transmis-
sion ECM J1 (WP 0009, Figure 112).
Proceed to step 4.
4. Using the MSD (WP 0006), select
1473-02 Code Active - Repeat trou-
Trans/chassis 120M and verify
bleshooting code from the beginning.
1473-02 is not active.
1473-02 Code Not Active - Trouble-
shooting complete.
Test Step 5. 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-C21
(WP 0009, Figure 124) from
transmission ECM J2 (WP 0009,
Figure 112).
3. Disconnect the cab lower wiring
harness connector P-C39 (WP
0009, Figure 70) from implement
ECM J-2 (WP 0009, Figure 71)
(WP 0268).
0019-49


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