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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
1471-02 Steering Control
Test Step 6. Test for Shorted Cab
Position Sensor #1 Data
Lower Wiring Harness to Imple-
Erratic, Intermittent or Incor- ment ECM.
rect - Continued
1. Using digital multimeter, test for
Continuity - Cab lower wiring har-
continuity between cab lower wir-
ness is shorted, replace cab lower wir-
ing harness connector P-C39
ing harness (WP 0266).
(WP 0009, Figure 70) terminal 18,
Connect the rear chassis wiring har-
and all other terminals, and
ness connector FA-C21 (WP 0009,
machine ground. There should be
Figure 124) to transmission ECM J2
no continuity.
(WP 0009, Figure 112).
Proceed to step 2.
No Continuity - Replace implement 1
ECM (WP 0268).
Connect the rear chassis wiring har-
ness connector FA-C21 (WP 0009,
Figure 124) to transmission ECM J2
(WP 0009, Figure 112).
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 2.
2. Using the MSD (WP 0006), select
1471-02 Code Active - Repeat trou-
Trans/chassis 120M and verify
bleshooting code from the beginning.
1471-02 is not active.
1471-02 Code Not Active - Trouble-
shooting complete.
0019-7


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