able 1. Transmission Code (1326-02 to 1408-13) Troubleshooting Procedures

able 1. Transmission Code (1326-02 to 1408-13) Troubleshooting Procedures - Continued.

Maintenance Manual For Motorized Road Grader Model 120M - 1
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TM 5-3805-293-23-1

0018

Table 1. Transmission Code (1326-02 to 1408-13) Troubleshooting Procedures - Continued.

CDI FMI CODE

TEST OR INSPECTION

CORRECTIVE ACTION

1404-03 Transmission Sole-

5. Using digital multimeter, test for

Continuity - Proceed to Test Step 2.

noid 4 Voltage Above Nor-

continuity between rear chassis

No Continuity - Transmission ECM

mal - Continued

wiring harness connector FA-C20

faulty, replace transmission ECM (WP

(WP 0009, Figure 113) terminal

0137).

16, and all other FA-C20 termi-

Connect transmission harness con-

nals, and machine ground. There

nector T-C6 (WP 0009, Figure 174) to

should be no continuity.

transmission clutch modulating valve

4 (WP 0009, Figure 175) (WP 0155).

Proceed to step 6.

6. Using the MSD (WP 0006), select

1404-03 Code Active - Repeat trou-

Trans/chassis 120M and verify

bleshooting code from the beginning.

1404-03 is not active.

1404-03 Code Not Active - Trouble-

shooting complete.

Test Step 2. Test for Shorted Trans-

mission Wiring Harness.

1. Disconnect the rear chassis wir-

ing harness connector FA-C15

(WP 0009, Figure 169) from

transmission wiring harness con-

nector T-C10 (WP 0009, Figure

168).

2. Using digital multimeter, test for

Continuity - Transmission wiring har-

continuity between transmission

ness is shorted, replace transmission

wiring harness connector T-C10

wiring harness (WP 0158).

(WP 0009, Figure 168) terminal 4,

Connect the rear chassis wiring har-

and all other T-C10 terminals.

ness connector FA-C20 (WP 0009,

There should be no continuity.

Figure 113) to transmission ECM J1

(WP 0009, Figure 112).

Proceed to step 3.

No Continuity - Rear chassis wiring

harness is shorted, replace rear chas-

sis wiring harness (WP 0188).