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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
1674-04 Solenoid Return #1  6. Using digital multimeter, test for
Continuity - Proceed to Test Step 2.
Voltage Below Normal - Con-
continuity between rear chassis
No Continuity - Transmission ECM
tinued
wiring harness connector FA-C20
faulty, replace transmission ECM (WP
(WP 0009, Figure 113) terminal
0137).
54 and machine ground. There
Connect the front chassis wiring har-
should be no continuity.
ness connector U-C40 (WP 0009, Fig-
ure 190) to secondary steering right
solenoid (WP 0009, Figure 191) (WP
0216).
Connect the front chassis wiring har-
ness connector U-C39 (WP 0009, Fig-
ure 186) to secondary steering left
solenoid (WP 0009, Figure 187) (WP
0216).
Proceed to step 7.
7. Using the MSD (WP 0006), select
1674-04 Code Active - Repeat trou-
Trans/chassis 120M and verify
bleshooting code from the beginning.
1674-04 is not active.
1674-04 Code Not Active - Trouble-
shooting complete.
Test Step 2. Test for Shorted Cab
Lower Wiring Harness.
1. Disconnect the rear chassis wir-
ing harness connector FA-C22
(WP 0009, Figure 47) from cab
lower wiring harness connector P-
C69 (WP 0009, Figure 46).
2. Using digital multimeter, test for
Continuity - Proceed to Test Step 3.
continuity between cab lower wir-
No Continuity - Rear chassis wiring
ing harness connector P-C69
harness is shorted, replace rear chas-
(WP 0009, Figure 46) terminal 18
sis wiring harness (WP 0188).
and machine ground. There
Connect the front chassis wiring har-
should be no continuity.
ness connector U-C40 (WP 0009, Fig-
ure 190) to secondary steering right
solenoid (WP 0009, Figure 191) (WP
0216).
Connect the front chassis wiring har-
ness connector U-C39 (WP 0009, Fig-
ure 186) to secondary steering left
solenoid (WP 0009, Figure 187) (WP
0216).
Proceed to step 3.
3. Using the MSD (WP 0006), select
1674-04 Code Active - Repeat trou-
Trans/chassis 120M and verify
bleshooting code from the beginning.
1674-04 is not active.
1674-04 Code Not Active - Trouble-
shooting complete.
0019-94


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