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
(d) Remove connector from A/C
4.
Evaporator Assembly Works But
thermostat (WP 0017 00).
Compressor Does Not -
Continued.
(e) Check continuity between yellow
1. If continuity is not indicated,
wire terminal on evaporator
repair or replace yellow wire.
harness and yellow wire terminal
2. If continuity is indicated, proceed
on A/C thermostat connector.
to next step.
(f) Return equipment to normal
condition.
11. Verify purple wire continuity from A/C
Thermostat to A/C fan switch.
(a) Disconnect connector from A/C fan
switch.
(b) Check continuity between purple
1. If continuity is not indicated,
wire terminal on A/C thermostat
repair or replace purple wire.
connector and purple wire terminal 2. If continuity is indicated, proceed
on A/C fan switch connector.
to next step.
(c) Return equipment to normal
condition.
12. Verify A/C fan switch continuity for
power to thermostat.
(a) Disconnect connector from A/C fan
switch.
(b) Set A/C fan switch to the ON
position (WP 0004 00).
(c) Check continuity from terminal
1. If continuity is not indicated,
"B" and terminal "C" on A/C fan
replace A/C fan switch.
switch.
2. If continuity is indicated, replace
A/C thermostat.
(d) Return equipment to normal
condition.
13. Troubleshoot compressor to ensure it is
not seized. Refer to General
Troubleshooting, Malfunction, step 2 in
this work package.
0013 00-16