Content .. 777 778 779 780 ..

Honda Civic. Manual - part 779

frosted.

expansion valve

Suction
pressure
abnormally
high

Low-pressure hose
and check joint are
cooler than the
temperature around
evaporator.

Expansion valve
open too long

Repair or replace.

Suction pressure is
lowered when A/C
condenser is cooled
by water.

Excessive
refrigerant in
system

Recover, evacuate, and
recharge with specified
amount.

High and low-
pressures are
equalized as soon as
the A/C compressor
is stopped, and both
gauges fluctuate
while running.

Faulty gasket

Faulty high-
pressure
valve

Foreign
particle stuck
in high-
pressure
valve

Replace the A/C
compressor.

Suction and
discharge
pressures
abnormally
high

Reduced airflow
through A/C
condenser.

Clogged A/C
condenser or
radiator fins

A/C
condenser or
radiator fan
not working
properly

Clean

Check voltage and
fan rpm.

Check fan direction.

Suction and
discharge
pressures
abnormally
low

Low-pressure hose
and metal end areas
are cooler than
evaporator.

Clogged or kinked
low-pressure hose
parts

Repair or replace.

Temperature around
expansion valve is
too low compared

Clogged high-

Repair or replace.

2008 Honda Civic EX

2006-08 HVAC Heating/Air Conditioning - Civic (All Except Hybrid)

with that around
receiver/dryer.

pressure line

Refrigerant
leaks

A/C compressor
clutch is dirty.

A/C compressor
shaft seal leaking

Replace the A/C
compressor.

A/C compressor bolt
(s) are dirty.

Leaking around
bolt(s)

Tighten bolt(s) or
replace A/C compressor.

A/C compressor
gasket is wet with
oil.

Gasket leaking

Replace the A/C
compressor.

A/C fitting is dirty.

Leaking O-ring

Clean the A/C fitting
and replace the O-ring.

2008 Honda Civic EX

2006-08 HVAC Heating/Air Conditioning - Civic (All Except Hybrid)

2006-08 ACCESSORIES AND EQUIPMENT

Ignition Switch - Civic

TEST

SRS components are located in this area. Review the SRS component locations (see
COMPONENT LOCATION INDEX ) and the precautions and procedures (see
PRECAUTIONS AND PROCEDURES ) in the SRS before doing repairs or
service.

1. Make sure you have the anti-theft code for the audio or the navigation system,

then write down the audio presets. Make sure the ignition switch is OFF.

2. Disconnect the negative battery cable.
3. Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD

LOWER COVER REMOVAL/INSTALLATION ), and the steering column
covers (see COLUMN COVER REMOVAL AND INSTALLATION ).

4. Disconnect the 7P connector (A) from the ignition switch (B).

Fig. 1: Identifying Ignition Switch And 7P Connector

5. Check for continuity between the terminals in each switch position according

to the table.

2008 Honda Civic EX

2006-08 ACCESSORIES AND EQUIPMENT Ignition Switch - Civic

2008 Honda Civic EX

2006-08 ACCESSORIES AND EQUIPMENT Ignition Switch - Civic

Fig. 2: Continuity Reference Chart

6. If the continuity checks do not agree with the table, replace the ignition switch

(see REPLACEMENT ).

7. After reconnecting the battery, enter the anti-theft code for the audio or the

navigation system, then enter the customer's audio presets, and set the clock.

REPLACEMENT

1. Make sure you have the anti-theft code for the audio or the navigation system,

then write down the audio presets. Make sure the ignition switch is OFF.

2. Disconnect the negative battery cable.
3. Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD

LOWER COVER REMOVAL/INSTALLATION ), and the steering column
covers (see COLUMN COVER REMOVAL AND INSTALLATION ).

4. Disconnect the 7P connector (A) from the ignition switch (B).

2008 Honda Civic EX

2006-08 ACCESSORIES AND EQUIPMENT Ignition Switch - Civic

Content .. 777 778 779 780 ..