TM 5-3805-296-23-2
0075
Table 1. 1280 Ejector Reverse Proportional Solenoid Diagnostic Codes Continued.
075
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test for Shorted Main
1280-03 Ejector Reverse
Cab Wiring Harness.
Solenoid Voltage Above
1. Disconnect connector W-C13
Normal Continued
(WP 0012, Figure 89) from
transmission/chassis ECM.
2. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C3 terminal
Proceed to Test Step 5.
4 (WP 0012, Figure 139) and all
No Continuity Proceed to step 4.
other terminals in connector W-C3
(WP 0012, Figure 139).
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C13
Proceed to Test Step 5.
terminal 61 (WP 0012, Figure 89)
No Continuity Proceed to step 5.
and all other terminals
in connector W-C13
(WP 0012, Figure 89).
5. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C13
Proceed to Test Step 5.
terminal 61 (WP 0012, Figure 89)
No Continuity Replace transmission/
and all terminals in connector
chassis ECM (WP 0495).
W-C12 (WP 0012, Figure 88).
Proceed to Test Step 5.
0075-6
