TB 9-2320-302-13&P-3
A/C TROUBLESHOOTING PROCEDURES - CONTINUED
0013 00
0013 00-4
A/C ELECTRICAL SYSTEM - CONTINUED
1.
A/C System Does Not Function -
Continued.
(b) Remove cable connector from
power relay (WP 0021 00).
(c) Turn ignition key switch to the ON
position (TM 9-2320-363-10).
(d) Check for 12 VDC between green
wire terminal and black wire
terminal on connector from power
relay.
1. If 12 VDC is not indicated, repair
or replace green wire to power
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
terminal on power relay wiring
harness and red wire terminal on
connector from power relay.
1. If continuity is not indicated,
repair or replace red wire.
2. If continuity is indicated, proceed
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
terminal on power relay to black
wire connected to ground terminal.
1. If continuity is not indicated,
repair or replace black wire.
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
wire terminal on power relay wire
harness to black wire connected to
ground terminal.
1. If continuity is not indicated,
repair or replace black wire.
2. If continuity is indicated, replace
power relay.
(b) Return equipment to normal
condition.
11. Verify power at RFI filter.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION