A/C Pressure Switch Circuit Troubleshooting - Honda Civic 2002-2003 Service Manual

Heating and Air Conditioning
Compressor Clutch Circuit
Troubleshooting (cont'd)
16. Check for continuity between the No.1 terminal of
the compressor clutch relay 4P socket and the No.1
terminal of the compressor clutch 1 P connector.
COMPRESSOR CLUTCH RELAY 4P SOCKET
BLUIRED
2
4 3
.Q
BLU/RED
COMPRESSOR CLUTCH lP CONNECTOR
Terminal side of male terminals
Is
there continuity?
YES-Check the compressor clutch clearance, the
thermal protector, and the compressor clutch field
coillsee page 21-48)..
NO-Repair open in the wire between the
compressor clutch relay and the compressor
clutch .•
21-32
AIC Pressure Switch Circuit
Troubleshooting
1. Turn the ignition switch ON 1111.
2. Turn the blower switch on, and check for blower
motor operation.
Does the blower motor run on alf speeds?
YES-Go to step 3.
NO- Troubleshoot the blower motor circuit Isee
page 21-201.
3. Turn the ignition switch OFF.
4. Disconnect heater control panel connector A 114PI.
5. Turn the ignition switch ON 1111.
6. Measure the voltage between the No.4 terminal of
heater control panel connector A 114PI and body
ground.
HEATER CONTROL PANEL CONNECTOR A (14PI
=
Wire side of female terminals
Is
there battery voltage?
YES-Go to step 7.
NO-Go to step 9.
7. Start the engine.