TB 9-2320-302-13&P-3
A/C TROUBLESHOOTING PROCEDURES - CONTINUED
0013 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
A/C ELECTRICAL SYSTEM - CONTINUED
(b) Disconnect power relay wiring
1.
A/C System Does Not Function -
harness (WP 0021 00).
Continued.
(c) Check for continuity from red wire 1. If continuity is not indicated,
connector on RFI wiring harness to
repair or replace red wire.
red wire terminal on RFI filter.
2. If continuity is indicated, replace
black wire in RFI wiring harness
to load connection on RFI filter.
(d) Return equipment to normal
condition.
15. Verify power to A/C fan switch.
(a) Return equipment to normal
condition.
(b) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
(c) Remove cover from evaporator
assembly (WP 0017 00).
(d) Remove A/C fan switch connector
(e) Turn ignition key switch to the ON
position (TM 9-2320-363-10).
(f) Check for 24 VDC on red wire
1. If 24 VDC is indicated, replace
terminal of A/C fan switch
black wire from evaporator
connector to vehicle ground.
assembly power cable to blower
motor connector.
2. If 24 VDC is not indicated, replace
red wire.
(g) Return equipment to normal
condition.
1. Inspect fan motor. Ensure that fan motor
2.
A/C System Energized But
is not seized.
Evaporator Assembly Does Not
Function.
(a) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
(b) Remove access cover from
evaporator assembly (WP 0017