Acura 2002 RSX Service Manual page 1120

Glimate Control
Compressor Clutch Circuit Troubleshooting (cont,d)
5. Connect the No. 1 and No. 2 terminals of the
compressor clutch relay 4P socket with a jumper
wire.
COMPRESSOR CLUTCH RELAY 4P SOCKET
JUMPER WIRE
Does lhe compressor clutch click ?
YES Go to step 6.
NO- Go to step 14.
6. Disconnect the jumper wire.
7. Turn the ignition switch ON (ll).
8. Measure the voltage between the No. 3 terminal of
the compressor clutch relay 4P socket and body
grouno.
COMPRESSOR CLUTCH RELAY ,tp SOCKET
ls there battery voltage?
YES-Go to step 9.
NO - Repair open in the wire between the No. 14
fuse in the under-dash fuse/relay box and the
compressor clutch relay.I
21-36
L Turn the ignition switch OFF.
10. Reinstall the compressor clutch relay.
11. Make sure the A,,/C switch is OFF.
12. Turn the ignition switch ON (lt).
13. Measure the voltage between the No. lgterminal
of ECM/PCM connector E (31p) and body ground
with the ECM/PCM connectors connected.
ECM/PCM CONNECTOR E 131P)
2 3
6 7
9
22 23 24
25 26 21
3l
RED
Wire side of female terminals
ls there battery voltage?
YES Update the ECM/PCM if it does not have the
latest software, or substitute a known-good ECM/
PCM, then recheck (see page 1 1-6). lf the symptom/
indication goes away with a known-good ECM/PCM.
replace the original ECM/PCM. t
NO Repair open in the wire between the
compressor ctutch relay and the ECM/pCM. t
Disconnect the.iumper wi re.
Disconnect the compressor clutch 1P connector.
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4.
t 5 .