compressor
clutch does
not engage
(but both fans
run with the
A/C on)
A/C compressor clutch circuit
troubleshooting (see A/C
COMPRESSOR CLUTCH
CIRCUIT
TROUBLESHOOTING )
INFORMATION )
Blown fuse No. 12 (7.5 A)
in the under-hood
fuse/relay box, and No. 36
(10 A) in the under-dash
fuse/relay box
Cleanliness and tightness
of all terminals
A/C system
does not come
on (both fans
and the A/C
compressor do
not work);
heater is OK
A/C signal circuit
troubleshooting (see A/C
SIGNAL CIRCUIT
TROUBLESHOOTING )
A/C pressure sensor
troubleshooting (R18A1
engine): A/C pressure sensor
circuit low voltage (see DTC
P0532: A/C PRESSURE
SENSOR CIRCUIT LOW
VOLTAGE ), A/C pressure
sensor circuit high voltage (see
DTC P0533: A/C
PRESSURE SENSOR
CIRCUIT HIGH
VOLTAGE )
A/C pressure sensor
troubleshooting (K20Z3
engine): A/C pressure sensor
circuit low voltage (see DTC
P0532: A/C PRESSURE
SENSOR CIRCUIT LOW
VOLTAGE ), A/C pressure
sensor circuit high voltage (see
DTC P0533: A/C
PRESSURE SENSOR
CIRCUIT HIGH
HVAC DTCs (see
GENERAL
TROUBLESHOOTING
INFORMATION )
Powertrain DTCs, R18A1
engine (see GENERAL
TROUBLESHOOTING
INFORMATION ),
K20Z3 engine (see
GENERAL
TROUBLESHOOTING
INFORMATION )
Cleanliness and tightness
of all terminals
2008 Honda Civic EX
2006-08 HVAC Heating/Air Conditioning - Civic (All Except Hybrid)