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Table 1. Implement Code (2146-02 to 2156-08) Troubleshooting Procedures - Continued.
Table 1. Implement Code (2146-02 to 2156-08) Troubleshooting Procedures - Continued.

Maintenance Manual For Motorized Road Grader Model 120M - 2
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TM 5-3805-293-23-2
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Table 1. Implement Code (2146-02 to 2156-08) Troubleshooting Procedures - Continued.
CDI FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2150-03 Blade Left Lift Lever
4. Using digital multimeter, test for
Voltage Between 7.6 to 8.4 Volts -
Position Sensor Voltage
voltage between harness connec-
Proceed to Test Step 6.
Above Normal - Continued
tor P-C51 (WP 0009, Figure 118)
Voltage Out of Specifications of 7.6
terminal 1 and terminal 4 ground.
to 8.4 Volts - Proceed to Test Step 3.
Voltage should be between 7.6 to
8.4 volts.
Test Step 3. Test for Open 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-C20
(WP 0009, Figure 113) from trans-
mission ECM J1 (WP 0009, Fig-
ure 112).
3. Connect jumper wire between cab
lower wiring harness connector P-
C51 (WP 0009, Figure 118) termi-
nal 4 and machine ground.
4. Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
for continuity between rear chas-
Proceed to Test Step 5.
sis wiring harness connector FA-
Resistance 5.0 Ohms or Greater -
C20 (WP 0009, Figure 113) termi-
Proceed to Test Step 4.
nal 45 and machine ground.
Resistance should be less than
5.0 ohms.
Test Step 4. Test for Open 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).
0028-22


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