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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
2189-05 Left All-Wheel Drive
System Response:
(AWD) Clutch Reverse Sole-
All-Wheel Drive (AWD) Electronic
noid Current Below Normal
Control Module (ECM) will log a diag-
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 Open Left AWD
Clutch Reverse Solenoid.
1. Connect MSD (WP 0006). Select
All Wheel Drive 120M and verify
2189-05 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-C8 harness connector (WP
0009, Figure 82) from left AWD
clutch reverse solenoid (WP
0009, Figure 83).
5. Connect jumper wire between AF-
C8 terminal 1 and AF-C8 terminal
2 (WP 0009, Figure 82).
6. Turn battery disconnect switch
and ignition switch to the ON posi-
tion.
0013-66


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