Acura 2002 RSX Service Manual page 1110

Glimate Control
12.
1 3 .
DTC Troubleshooting (cont'd)
Disconnect ihe climate control unit 30P connector.
Check for continuiw between the No. 16 and No. 17
terminals of the climate control unit 30P connector
and body ground individually.
BLU/RED
=
Wire side of female terminals
ls there continuity?
YES Repair any shon to body ground in the
wire(s) between the climate control unit and the
power transistor,I
NO- Go to step 14.
Check for continuity between the following
terminals of the climate control unit 30P connector
and power transistor 4P connector.
30P: 4P:
N o . 1 6 N o . 2
N o . 1 7
N o . 4
CLIMATE CONTROL UNIT3OP CONNECTOR
Wire side of female terminals
POWER TBANSISTOR 4P CONNECTOR
Wire side of female terminals
ls there continuity?
YES Go to step 15.
NO Repair any open in the wire(s) between the
climate control unit and the power transistor,I
1 4 .
CLIMATE CONTROL UNIT 3OP CONNECTOR
21-26
1 5 .
t o .
Reconnect the climate control unit 30P connector.
T€st the power transistor (see page 21-46).
ls the power transistor OK?
YES-Check for loose wires or poor connections at
the climale control unit 30P connector and at the
Dower transistor 4P connector. lf the connections
ar€ good, substitute a known-good climate control
unit, and recheck. lf the symptom/indication
goes
8way, replace the original climat€ control unit.l
NO-Reolace the oower transistor.l
17. Disconnect the jumper wire.
18. Disconnect the blower motor 2P connector.
19, Moasure the voltage between the No, 1terminal of
the blower motor 2P connector and body ground.
BLOWER MOTOR 2P CONNECTOR
Wire side of temale terminals
ls there battery voltage?
YES Replace the blower motor.l
NO Go to step 20.
Turn the ignition switch OFF.
Remove the blower motor relay trom the under-
hood tuse/relay box, and test it (see page 22-551.
ls therc relay OK?
YES-Go to step 22.
NO Replace the blower motor relay. !
20.
2 ' t .