TM 5-3805-296-23-2
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Table 1. 0263 Sensor Power Supply Diagnostic Codes - Continued.
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CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Test for Shorted Main
0263-03 Digital Sensor
Cab Wiring Harness.
Power Supply (8V or 12V)
1. Remove upper and lower plenum
Voltage Above Normal
from ROPS (WP 0504).
Continued
2. Disconnect connector P-C1
(WP 0012, Figure 253) from
connector W-C7
(WP 0012, Figure 252).
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C16
Proceed to Test Step 4.
terminal 7 (WP 0012, Figure 87)
No Continuity Proceed to step 4.
and all other terminals in
connector W-C16
(WP 0012, Figure 87).
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C7
Proceed to Test Step 4.
terminal 9 (WP 0012, Figure 252)
No Continuity Proceed to Test
and all other terminals in
Step 3.
connector W-C7 (WP 0012,
Figure 252).
Test Step 3. Test for Shorted Dash
Wiring Harness.
1. Remove six bolts
(Figure 1, Item 1), washers
(Figure 1, Item 2), and instrument
panel cover (Figure 1, Item 3) from
ROPS (Figure 1, Item 4).
Figure 1. Instrument Panel Cover and Retaining Hardware.
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