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Table 1. Implement Code (2169-03 to 2182-13) Troubleshooting Procedures - Continued.
Table 1. Implement Code (2169-03 to 2182-13) Troubleshooting Procedures - Continued.

Maintenance Manual For Motorized Road Grader Model 120M - 2
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TM 5-3805-293-23-2
0030
Table 1. Implement Code (2169-03 to 2182-13) Troubleshooting Procedures - Continued.
CDI FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2171-03 Articulate Left Sole-
System Response:
noid Voltage Above Normal
ECM will log diagnostic code.
N OT E
Always inspect the harness connectorsthat are involved in the circuit.
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure,
and that all connections are in good condition. If a problem with a con-
nection is found, correct the problem and verify that this diagnostic code
is active before performing this procedure.
Perform open or short circuit test ateach harness connection to identify
correct harness to replace.
Perform this test only if condition is active.
Test Step 1. Test for Active Code.
1. Using MSD (WP 0006), select
2171-03 Code Active - Proceed to
implement 120M and verify 2171-
Test Step 2.
03 is active.
2171-03 Code Not Active -
Troubleshooting complete.
Test Step 2. Test for Shorted Cab
Lower Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to the OFF
position.
2. Disconnect front attachment wir-
ing harness connector U-C26
(WP 0009, Figure 224) from artic-
ulate left solenoid (WP 0009, Fig-
ure 225) (WP 0180).
3. Disconnect cab lower wiring har-
ness connector P-C41 (WP 0009,
Figure 68) from implement ECM
J1 (WP 0009, Figure 69) (WP
0268).
4. Using a digital multimeter, mea-
Continuity - Proceed to Test Step 3.
sure for continuity between cab
No Continuity - Replace implement 1
lower wiring harness connector P-
ECM (WP 0268).
C41 (WP 0009, Figure 68) termi-
Connect front attachment wiring
nal 51 and all other P-C41 termi-
harness connector U-C26 (WP 0009,
nals. There should be no
Figure 224) to articulate left solenoid
continuity.
(WP 0009, Figure 225) (WP 0180).
Proceed to step 5.
0030-18


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