Troubleshooting; A,/C Pressure Switch Circuit Troubleshooting - Honda Civic Service Manual

Heating and Air Conditioning
Compressor Clutch Circuit
Troubleshooting (cont'dl
16. Check for continuity between the No. lterminal of
the compressor clutch relav 4P socket and the No. l
terminal of the compressor clutch 1P conneclor.
COMPRESSON
CLUTCH RELAY 4P SOCKET
COMPRESSOR CLUTCH 1P CONNECTOR
Terminal side of male terminals
ls therc continuity?
YES-Check the compressor clutch clearance, the
thermal protector, and the compressor clutch field
c o i l ( s e e p a g e 2 1 - 4 8 ) . I
NO-Repair open in the wire between the
compressor clutch relay and the compressor
c l u t c h . l
21-32
A/C Pressure Switch Circuit
Troubleshooting
'1.
Turn the ignition switch ON {ll).
2. Turn the blower switch on, and check for blower
motor operatron.
Does the blower motor run on all speeds?
YES Go to step 3.
NO Troubleshoot the blower motor circuit (see
page 21-20).
3. Turn the ignition switch OFF.
4. Disconnect heater control panel connectorA ('14P).
5 . T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
6. Measure the voltage between the No, 4 terminal of
heater control panel connector A {14P) and body
grou nd.
HEATER CONTROL PANEL CONNECTOR A (I4P}
1 .
ls there battety voltage?
YES Go to step 7.
N O - G o t o s t e p 9 .
S t a n t h e e n g i n e .
Wire side of female termina's