TM 5-3805-298-23-1
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Table 1. Condenser Fan(s) Do Not Operate When the Heater A/C Switch Is in A/C Position - Continued.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 26. Test for Open Air
Condenser Fan(s) Do Not
Conditioning Condenser Fans
Operate When the Heater A/
Wiring Harness.
C Switch Is in A/C Position -
Continued
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Disconnect connector MA-C4
(WP 0012, Figure 136) from
condenser fans relay.
3. Install a jumper wire between
terminal A and terminal B of
connector MA-C2 (WP 0012,
Figure 130).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to step 5.
between connector MA-C4
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 136) terminal 1
Replace air conditioning condenser
and terminal 2.
fans wiring harness (WP 0418).
Proceed to Test Step 33.
5. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to step 6.
between connector MA-C2
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 130) terminal C
Replace air conditioning condenser
and MA-C4 (WP 0012, Figure 136)
fans wiring harness (WP 0418).
terminal 5.
Proceed to Test Step 33.
6. Remove jumper wire from terminal
A and terminal B of connector MA-
C2 (WP 0012, Figure 130).
7. Install a jumper wire between
terminal 4 and terminal 5 of
connector MA-C4 (WP 0012,
Figure 136).
8. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Replace condenser fans relay
between connector MA-C1
(WP 0417).
(WP 0012, Figure 134) terminal 1
Proceed to Test Step 33.
and terminal 2.
Resistance Greater Than 5.0 Ohms
Replace air conditioning condenser
fans wiring harness (WP 0418).
Proceed to Test Step 33.
Test Step 27. Test A/C BKR Circuit
Breaker Reset.
1. Turn battery disconnect switch ON
and start the machine (TM 5-3805-
298-10).
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