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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
0014
Table 1. All-Wheel Drive (AWD) Code Troubleshooting - Continued.
CDI FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2293-03 Left Front Drive
2. Using a digital multimeter, mea-
Voltage Greater than 0.3 Volts -
Motor Solenoid Voltage
sure voltage between P-C35 ter-
Replace cab lower wiring harness
Above Normal - Continued
minal 58 (WP 0009, Figure 53)
(WP 0266).
and ground.
Install rear front frame cover on
machine (WP 0224).
Proceed to step 3.
Voltage 0.3 Volts or Lower - Replace
AWD ECM (WP 0270).
Connect AF-C3 (WP 0009, Figure 51)
on P-C34 (WP 0009, Figure 52) (WP
0200).
Install rear front frame cover on
machine (WP 0224).
Proceed to step 3.
3. Using the MSD (WP 0006), select
2293-03 Code Active - Repeat trou-
All Wheel Drive 120M and verify
bleshooting code from the beginning.
2293-03 is not active.
2293-03 Code Not Active - Trouble-
shooting complete.
2293-05 Left Front Drive
System Response:
Motor Solenoid Current
All-Wheel Drive (AWD) Electronic
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
Front Drive Motor Solenoid.
1. Connect MSD (WP 0006). Select
All Wheel Drive 120M and verify
2293-05 is active.
2. Turn ignition switch and battery
disconnect switch to the OFF
position.
0014-4


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