TM 5-3805-298-23-1
0121
Table 1. Condenser Fan(s) Do Not Operate When the Heater A/C Switch Is in A/C Position - Continued.
0121
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 19. Test for Shorted Wiring
Condenser Fan(s) Do Not
Harness.
Operate When the Heater A/
1. Remove A/C BKR 2 circuit breaker
C Switch Is in A/C Position -
(TM 5-3805-298-10).
Continued
2. Using digital multimeter
Continuity Proceed to Test Step 20.
(WP 0174), test for continuity
No Continuity Replace auxiliary A/C
between connector C-C33
condenser fan (WP 0419).
(WP 0012, Figure 47) terminal B2
Proceed to Test Step 33.
and ground.
Test Step 20. Test for Shorted Wiring
Harness.
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector M-C1
(WP 0012, Figure 57) from
connector C-C20 (WP 0012,
Figure 56).
3. Using digital multimeter
Continuity Proceed to Test Step 21.
(WP 0174), test for continuity
No Continuity Replace lower cab
between connector M-C1
wiring harness (WP 0291).
(WP 0012, Figure 57) terminal 2
Proceed to Test Step 33.
and ground.
Test Step 21. Test for Shorted
Auxiliary Air Conditioning
Condenser Fan Wiring Harness.
1. Disconnect connector M-C25
(WP 0012, Figure 131) from
connector MC-C1 (WP 0012,
Figure 132).
2. Using digital multimeter
Continuity Replace auxiliary air
(WP 0174), test for continuity
conditioning condenser fan wiring
between connector MC-C1
harness (WP 0419).
(WP 0012, Figure 132) terminal A
Proceed to Test Step 33.
and terminal C.
No Continuity Replace rear frame
wiring harness (WP 0295).
Proceed to Test Step 33.
0121-13
