Honda Civic. Manual — part 394

(see CRUISE CONTROL
INPUT TEST ). Test the cruise
control indicator signal input.

Vehicle does not
decelerate or
accelerate
accordingly
when the
set/decel or
resume/accel
switch is pressed

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

2. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ). Test the cruise
control set/decel, resume/accel
switch signal input.

3. Do the cruise control combination

switch test (see CRUISE
CONTROL COMBINATION
SWITCH
TEST/REPLACEMENT ).

Open circuit, loose
or disconnected
terminals:
YEL/RED, LT GRN
or LT GRN/BLK,
ORN

Set speed does
not cancel when
the brake pedal
is pressed

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

2. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ).

3. Test the brake pedal position

switch signal input. Do the brake
pedal position switch test (see
BRAKE PEDAL POSITION
SWITCH TEST ).

Short to power
on the BRN
wire

Faulty brake
pedal position
switch

Set speed does
not cancel
(engine rpm
stays high) when
the clutch pedal

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

Short in the LT
BLU wire

Faulty clutch
pedal position

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Cruise Control (K20Z3) - Civic (All Except Si)

is pressed

2. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ). Test the clutch
pedal position switch signal input.

3. Do the clutch pedal position switch

test (see CLUTCH PEDAL
POSITION SWITCH TEST ).

switch

Set speed does
not cancel when
the cruise
control main
switch is pressed

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

2. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ). Test the cruise
control main switch signal input.

3. Do the cruise control combination

switch test (see CRUISE
CONTROL COMBINATION
SWITCH
TEST/REPLACEMENT ).

Short to power on
the PNK, YEL wire

Set speed does
not cancel when
the cancel
switch is pressed

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

2. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ). Test the cruise
control cancel switch signal input.

3. Do the cruise control combination

switch test (see CRUISE
CONTROL COMBINATION
SWITCH
TEST/REPLACEMENT ).

Open circuit, loose
or disconnected
terminals:
YEL/RED, LT GRN
or LT GRN/BLK,
ORN

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Cruise Control (K20Z3) - Civic (All Except Si)

Set speed will
not resume
when the
resume/accel
switch is pressed
(with the cruise
control main
switch turned
on, and set
speed
temporarily
canceled by
pressing the
brake pedal)

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

2. Check the brake pedal position

switch adjustment (see BRAKE
PEDAL AND BRAKE PEDAL
POSITION SWITCH
ADJUSTMENT ).

3. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ). Test the cruise
control resume/accel switch signal
input. Test the brake pedal position
switch signal input.

4. Do the cruise control combination

switch test (see CRUISE
CONTROL COMBINATION
SWITCH
TEST/REPLACEMENT ).

Faulty brake
pedal position
switch

Open circuit,
loose or
disconnected
terminals: LT
GRN/BLK,
ORN

Set speed will
not resume
when the
resume/accel
switch is pressed
(with the cruise
control main
switch turned
on, and set
speed
temporarily
canceled by
pressing the
clutch pedal)

1. Check for PGM-FI DTCs (see

GENERAL
TROUBLESHOOTING
INFORMATION ).

2. Check the clutch pedal position

switch adjustment (see CLUTCH
PEDAL, CLUTCH PEDAL
POSITION SWITCH, AND
CLUTCH INTERLOCK
SWITCH ADJUSTMENT ).

3. Do the cruise control input test

(see CRUISE CONTROL
INPUT TEST ). Test the cruise
control resume/accel switch signal

Faulty clutch
pedal position
switch

Open circuit,
loose or
disconnected
terminals: LT
GRN/BLK,
ORN

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Cruise Control (K20Z3) - Civic (All Except Si)

CIRCUIT DIAGRAM

input. Test the clutch pedal
position switch signal input.

4. Do the cruise control combination

switch test (see CRUISE
CONTROL COMBINATION
SWITCH
TEST/REPLACEMENT ).

With the
ignition switch
ON (II), and the
lighting switch
turned on, the
cruise control
combination
switch
illumination
does not come
on

Replace the cruise control combination
switch (see CRUISE CONTROL
COMBINATION SWITCH
TEST/REPLACEMENT ).

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Cruise Control (K20Z3) - Civic (All Except Si)