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Table 1. All-Wheel Drive (AWD) Code Troubleshooting - Continued.
Table 1. All-Wheel Drive (AWD) Code Troubleshooting - Continued.

Maintenance Manual For Motorized Road Grader Model 120M - 1
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TM 5-3805-293-23-1
0013
Table 1. All-Wheel Drive (AWD) Code Troubleshooting - Continued.
CDI FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2191-05 Right All-Wheel
2. Using the MSD (WP 0006), select
2191-05 Code Active - Repeat trou-
Drive (AWD) Clutch Reverse
All Wheel Drive 120M and verify
bleshooting code from the beginning.
Solenoid Current Below Nor-
2191-05 is not active.
2191-05 Code Not Active - Trouble-
mal - Continued
shooting complete.
2191-06 Right All-Wheel
System Response:
Drive (AWD) Clutch Reverse
All-Wheel Drive (AWD) Electronic
Solenoid Current Above
Control Module (ECM) will log a diag-
Normal
nostic code and a warning will appear
on the messenger while the diagnos-
tic code is Active.
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
connection 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 Shorted Right
AWD Clutch Reverse Solenoid.
1. Connect MSD (WP 0006). Select
All Wheel Drive 120M and verify
2191-06 is active.
2. Turn ignition switch and battery
disconnect switch to the OFF
position.
3. Remove nose front frame cover
from machine (WP 0224).
4. Disconnect clutch drive solenoid
AF-C9 harness connector (WP
0009, Figure 86) from right AWD
clutch reverse solenoid (WP
0009, Figure 87).
5. Turn battery disconnect switch
and ignition switch to the ON posi-
tion.
0013-93


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