Climate Control Power And Ground Circuits Troubleshootins - Acura 2002 RSX Service Manual

Climate Control
Climate Control Power and Ground Circuits Troubleshooting
1. Checkthe No. 14 (10A)fuse in the under-dash fuse/
relay box.
ls the tuse OK?
YES Go to step 2.
NO Replace the fuse, and recheck.!
2. Disconnect the climate control unit 30p connector.
3. Turn the ignition switch ON (ll).
4. Measure the voltage between the No. l5terminal
of the climate control unit 30P connector and body
grouno.
CLIMATE CONTROL UNIT 3OP CONNECTOR
Wire side of female terminals
ls there battery voltage?
YES - Go to step 5.
NO Repair open in the wire between the No. 14
fuse in the under-dash fuse/relay box and the
climate control unit.I
Turn the ignition switch OFF.
21-32
6. Check for continuity between the No. 1 terminal of
the climate control unit 30P connector and bodv
g rou nd,
CLIMATE CONTROL UNIT 3OP CONNECTOR
Wire side of female terminals
Is there continuity?
YES Check for loose wires or poor connections at
the climate control unit 30P connector. lf the
connections are good,substitute a known-good
climate control unit, and recheck. lf the symptom/
indication goes away, replace the original climate
control unit.l
NO Check for an open in the wire between lhe
climate control unit and body ground. lf the wire is
OK. check for poor ground at G4O2.I