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 28. Test for Shorted Wiring
Condenser Fan(s) Do Not
Operate When the Heater A/C Harness.
1. Remove A/C BKR circuit breaker
Switch Is in A/C Position -
(TM 5-3805-298-10).
Continued
2. Using digital multimeter
Continuity Proceed to Test Step 29.
(WP 0174), test for continuity
No Continuity Replace A/C
between connector C-C33
condenser fans (WP 0417).
(WP 0012, Figure 47) terminal C2
Proceed to Test Step 33.
and ground.
Test Step 29. 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 30.
(WP 0174), test for continuity
No Continuity Replace lower cab
between connector M-C1
wiring harness (WP 0291).
(WP 0012, Figure 57) terminal 11
Proceed to Test Step 33.
and ground.
Test Step 30. Test for Shorted Air
Conditioning Condenser Fans
Wiring Harness.
1. Disconnect connector M-C15
(WP 0012, Figure 129) from
connector MA-C2 (WP 0012,
Figure 130).
2. Using digital multimeter
Continuity Replace air conditioning
(WP 0174), test for continuity
condenser fans wiring harness
between connector MA-C2
(WP 0418).
(WP 0012, Figure 130) terminal A
Proceed to Test Step 33.
and terminal C.
No Continuity Replace rear frame
wiring harness (WP 0295).
Proceed to Test Step 33.
Test Step 31. Test for Voltage at
Primary A/C Condenser Fan 1.
1. Disconnect connector MA-C1
(WP 0012, Figure 134) from
primary A/C condenser fan 1.
2. Turn battery disconnect switch ON
and start the machine (TM 5-3805-
298-10).
3. Turn heater A/C switch to A/C ON
position (TM 5-3805-298-10).
0121-18
