TM 5-3805-296-23-1
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Table 1. 0168 Powertrain Power Supply Diagnostic Code Continued.
055
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
0168-01 Electrical System
5. Using digital multimeter
Voltage 18 to 25 V Proceed to step 6.
Voltage Low Continued
(WP 0540), test for voltage
Voltage Less Than 18 V Replace
between connector W-C13
main cab wiring harness (WP 0505).
terminal 1 (WP 0012, Figure 89)
Proceed to Test Step 8.
and ground.
6. Using digital multimeter
Voltage 18 to 25 V Proceed to step 7.
(WP 0540), test for voltage
Voltage Less Than 18 V Replace
between connector W-C13
main cab wiring harness (WP 0505).
terminal 23 (WP 0012, Figure 89)
Proceed to Test Step 8.
and ground.
7. Using digital multimeter
Voltage 18 to 25 V Proceed to Test
(WP 0540), test for voltage
Step 5.
between connector W-C13
Voltage Less Than 18 V Replace
terminal 47 (WP 0012, Figure 89)
main cab wiring harness (WP 0505).
and ground.
Proceed to Test Step 8.
Test Step 5. Inspect Ground Point of
Main Cab Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Remove six bolts
(Figure 2, Item 1), washers
(Figure 2, Item 2), and step
(Figure 2, Item 3) from cab
(Figure 2, Item 4).
Figure 2. Cab Step.
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