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) Remove cable connector from
1.
A/C System Does Not Function -
power relay (WP 0021 00).
Continued.
(c) Turn ignition key switch to the ON
position (TM 9-2320-363-10).
(d) Check for 12 VDC between green
1. If 12 VDC is not indicated, repair
wire terminal and black wire
or replace green wire to power
terminal on connector from power
relay.
relay.
2. If 12 VDC is indicated, proceed to
next step.
(e) Return equipment to normal
condition.
8. Verify continuity of red wire from power
relay.
(a) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
(b) Check for continuity from red wire
1. If continuity is not indicated,
terminal on power relay wiring
repair or replace red wire.
harness and red wire terminal on
2. If continuity is indicated, proceed
connector from power relay.
to next step.
(c) Return equipment to normal
condition.
9. Verify continuity of ground connection
to power relay.
(a) Check for continuity of black wire 1. If continuity is not indicated,
terminal on power relay to black
repair or replace black wire.
wire connected to ground terminal. 2. If continuity is indicated, proceed
to next step.
(b) Return equipment to normal
condition.
10. Verify continuity of ground connection
to power relay wire harness.
(a) Check for continuity from black
1. If continuity is not indicated,
wire terminal on power relay wire
repair or replace black wire.
harness to black wire connected to
2. If continuity is indicated, replace
ground terminal.
power relay.
(b) Return equipment to normal
condition.
11. Verify power at RFI filter.
0013 00-4