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114

Power Door Locks (cont'd)
- How the Circuit Works
Keyless Entry System
The keyless door locks combine the power door
locks with a remote keyJob transmitter. The keyless
receiver unit is part of the radio. The keyless
receiver unit receives direct inputs f rom the ignition
key switch, the passenger door switches, and an
indirect input trom the driver's door switch through
the integrated control unit.
Power Door Locks (With or Wlthout Keyless)
The power door lock system is made up of the
oower door lock control unit. driver's door lock
switch, and individual door lock actuators. The
power door locks are controlled by the driver's door
lock switch and the driver's door lock actuator
switch.
Transmitter (With Keyless Entry)
The transmitter sends coded radio wave signals to
the keyless receiver unit when one ot its buttons is
pressed. Each transmitter has a unique code that
must be 'laught" to the keyless receiver unit before
it can operate the door locks or any other lunction.
Up to 4 transmitters can be programmed to operate
the keyless door locks.
Door Locking (With or without Keyless Entry)
When you push the driver's door lock switch to the
lock position, ground is applied to the GBN/IVHT
wire to the oower door lock control unit. The control
unit then applies battery voltage to the WHT/RED
wire and ground to the YEURED wire. The
passenger door lock actuators then activate to lock
the corresponding door locks.
When you lock the driver's door with the key or door
lock knob, it is mechanically locked, and the driver's
door lock actuator switch applies ground to the
oower door lock control unit. The control unit then
applies battery voltage to the WHT/RED wire and
ground to the YEURED wire, activating the
passenger door lock actuators which lock the doors.
Dool Locking with Transmitter
When you press the LOCK button on the remote
transmitter, the power door lock control unit applies
battery voltage to the WHT/RED wire and ground to
the YEURED wire. The passenger door lock
actuators then activate and lock the doors. A ground
slgnal is also applied to the BLU/RED wire to lock
the driver's door. lf any door is open, you cannot lock
it using the remote transmitter.
Door Unlocking (With or Without Keyless Entry)
When you push the driver's power door lock switch
to the unlock position, ground is applied to the
GRN/ORN wire to the power door lock control unit.
The control unit then applies battery voltage to the
YEURED and BLU/RED wires and ground to the
WHT/RED wire. The door lock actuators then
activate to unlock the doors.
When you unlock the driver's door with the key or
the door lock knob, it is mechanically unlocked; the
other doors do not unlock.
Door Unlocking (With Transmltter)
When you press the UNLOCK button on lhe remote
transmitter once. the power door lock control unit
applies battery voltage to the WHT/RED wire and
ground to the BLU/RED wire to unlock the driver's
door. When you press the UNLOCK button twice,
the control unit then applies ground to the YEURED
wires to activate the passenger door locks. lf you do
not open a door within 30 seconds after unlocking
the doors with the transmitter, the doors
automatically relock.
Transmltter Programming
1 . Turn the ignition switch ON (ll).
2. Press and hold the Valet-Disarm button on the
radio (between the AM/FM button and the
CD/TAPE button) to enter the programming
mode. (Continue to hold the button during the
procedure, or programming will be cancelled.)
Check that the power door locks cycle to confirm
that you're in the programming mode.
3. Press the "LOCK' or "UNLOCK' button on the
transmitter. Check that the power door locks
cycle to confirm that the code was accepted.
4. Press the "LOCK" or "UNLOCK" button on each
of the remaining transmitters. (You can program
up to four transmitters per vehicle.)
5. After all the transmitters have been
programmed, release lhe Valet-Disarm button to
exit the programming mode.
Beep On/Oft Feature
'I . Press and hold the LOCK and OPTION buttons
on the transmitter.
2. Watch the transmitter's LED:
One flash: Beeo activated.
Two tlashes: Beeo deactivated.
130-4

Power Door Locks (cont'd)
Keyless Receiver Unit Input Test
The following tests are pertormed with A (Main) and B (Keyless) disconnected from the audio unit.
TerminalNo.WireColorTest ConditlonTest: Desired RasultPossible Cause it resull is not obtained
4WHT/BLUUnder all conditionsCheck for vollage to ground:
There should bs batteryvoltage.
aBlown No. 47 (7.5A) tuse in the
under-hood fuss/relay box
An open in the wireo
5YEUREDlgnition switch ACC (l)Check lor voltage to ground:
Th€re should be battery
voltage.
aBlown No. 28 (10A) fuse in the
underdash fusg/relay box
An open in the wirea
TerminalNo.WireColorTest CondiiionTest: Desired ResultPossible Cause if rssult i3 not obtalned
BLU/RED
lgnition key insertedinto the ignition key
switch
Check for voltage to ground:
There should bs 1 V or less.aPoor ground (G401, G402)
Faulty ignition key switch
An open in the wire
Short in the wire
a
a
algnition key r€moved
trom the ignition key
switch
Check lor voltage to ground:
There should be 4 V or more.
3BLUI/ELUnder all conditions
Check for continuity betweenthe audio unit 16P connectorNo- 3 terminal and power doorlock control unit 12P connsctorNo. 6 terminal: There should
be continuity.
I An open in the wire
6BLK/YELlgnition switch ON (ll)Check for voltage to ground:
Thers should be batteryvollage.
. Blown No. 14 (7.5A) fuse in the
under-dash fuse/relay box
. An open in the wire
8LT GRN/BLKCeiljng light switch in"middle position"Connect to ground: The ceilinglight should come on.
aBlown No. 43 (7.5A) fuse in the
undsr-hood fuse/relay box
Blown ceiling light bulb
Faulty ceiling light
An open in the wire
a
a
o
14LT GRN/REDEach door oponed,one at a timeCheck for continuity to ground:
There should be continuity.
aFaulty door switch
An open in lhe wirea
tcBLKUnder all conditionsCheck for continuity to ground:
There should b€ continuity.
aPoor ground (G401, G402)
An open in the wirea
16GRYUnder all conditionsConn€ct to ground:
Horn should sound.
. Blown No.52 (15A) fuse in the
under-hood tuse/relay box
. Faulty horn
. Faulty horn relay
. An open in the wire
130-6

Power Door Locks (cont'd)
Keyless Entry Does Not Work In Any
Mode
NOTE: Before beginning, verify that all the
transmitters are programmed to the vehicle.
1 . Does the radio work properly?
Yes - Go to step 9.
No - Go to the neld step.
NOTE: For steos 2 - 8. refer to the schematic dia-
gram for the Stereo Sound System on page 150.
2. Are fuses 28 (in the under-dash fuse box) and
fuse 47 (in the under-hood fuse box) OK?
Yes - Go to step 4.
No - Replace the blown fuse, then go to the
nen steo.
3. Does the fuse blow again?
Yes - Locate and repair the short.
No- Retest the system.
4. ls the vehicle equipped with the optional security
system?
Yes - Go to the next steP.
No - Go to steD 6.
5. Does the keyless entry work correctly when the
security control unit connector is disconnected?
Yes - Faulty security system, go to security
system for f urther troubleshooting.
No - Go to the next step.
6. ls there battery voltage at terminal 4 of the radio
main harness connector (A)?
7.
=A
Yes - Go to the nen step.
No - Locate the open in the wiring between
tuse 47 and the radio.
ls there battery voltage at terminal 5 of the radio
main harness connector (A), when the ignition
switch is in the ACC (l) or ON (ll) position?
Yes - Go to the next step.
No - Locate the open in the wiring between
fuse 28 and the radio.
130-8
8. ls there continuity from terminal 14 of the radio
main harness connector (A) to ground?
Yes - Replace the radio.
No - Repair the open in the wiring between the
radio and the ground (G501).
9. Does the transmitter LED come on when any ot
the buttons are oressed?
Yes - Go to steo 12.
No - Go to the next steo.'10.ls the transmitter battery installed with the
positive side facing up?
Yes - Ensure that the battery contact tabs are
repositioned, then replace the battery.
Remove the key from the ignition, then
close the doors and trunk. Press the
LOCK button on the transmitter six times,
then go to the next step.
No - Ensure that the baftery contact tabs are
repositioned, then reinstall the batlery
correctly. Then reprogram the transmitter
and retest it. Use the procedure on page
1 30-4 f or transmitter programming.
11 . Does the transmitter LED come on when any of
the buttons are oressed?
Yes - Go to the next step.
No - Replace the transmitter and program it by
using the procedure on page 130-4.
12.Does the system work properly in all modes?
Yes - Finished. The system is OK.
No - Go to the next steD.

Power Door Locks (conrd)
- How the Circuit Works
Keyless Entry System
The keyless door locks combine the power door
locks with a remote key-fob transmitter. The keyless
door lock control unit receives direct inputs from the
ignition key switch, the passenger door switches,
and an indirect inDut from the driver's door switch
through the integrated control unit.
Power Door Locks
The power door lock system rs made up ot the
keyless door lock control unit, driver's door lock
switch, and individual door lock actuators. The
power door locks are controlled by the driver's door
lock switch and the driver's door lock actuator
switch.
Transmittel
The transmitter sends coded radio wave signals to
the keyless door lock conlrol unit when one of its
buttons is pressed. Each transmitter has a unique
code that must be 'laught" to the conlrol unit before
it can operate the door locks or any other function.
Up to 4 transmitters can be programmed to operate
the keyless door locks.
Door Locking
When you push the driveas door lock switch to the
lock position, ground is applied to the GRNMHT
wire to the keyless door lock control unit. The
control unit then applies battery voltage to the
WHT/RED wire and ground to the YEURED wire.
The passenger door lock actuators then activate to
lock the corresponding door locks.
When you lock the dnver's door with the key or door
lock knob, it is mechanically locked, and the driver's
door lock actuator switch applies ground to the
oower door lock control unit. The control unit then
applies battery voltage to the WHT/RED wire and
ground to the YEURED wire, activating the
passenger door lock actuators which lock the doors.
Door Locking with Transmitter
When you press the LOCK button on the remote
transmitter, the keyless door lock control unil applies
battery voltage to the WHT/RED wire and ground to
the YEURED wire. The passenger door lock
actuators then activate and lock the doors. A ground
signal is also applied to the BLU/RED wire to lock
the driver's door. lf any door is open, you cannot lock
it using the remote transmitter.
Door Unlocking
When you push the driver's power door lock switch
to the unlock position, ground is applied to the
GRN/ORN wire to the keyless door lock control unil.
The control unit then applies battery voltage to the
YEUREO and BLU/RED wires and oround to the
WHT/RED wire. The door lock actuators then
activate to unlock the doors.
When you unlock the driver's door with the key or
the door lock knob, it is mechanically unlocked; the
other doors do not unlock.
Door Unlocking with Transmitter
When you press the UNLOCK button on the remote
transmitter once, the keyless door lock control unit
applies battery voltage to the WHT/RED wire and
ground to the BLU/RED wire to unlock the driver's
door. When you press the UNLOCK button twice,
the control unit then applies ground to the YEURED
wires lo activate the passenger door locks. lf you do
not open a door within 30 seconds after unlocking
the doors with the transmitter, the doors
automatically relock.
Transmitter Programming
. Entering the programming mode cancels all
learned transmitter codes, so none of the
previously programmed transmitters will work.
You must reprogram all the transmitters once
you're in the programming mode.
. To keep the system from exiting the
programming mode, complete each step within 5
seconds of the previous step, and program the
transmitters within 10 seconds of each other.'1 . Turn the ignition switch ON (ll).
2. Press the "LOCK" or "UNLOCK" button on one
of the transmitters. (A non-programmed
transmitter can be used for this step.)
3. Turn the ignition switch OFF (0).
4. Repeat steps 1, 2, and 3 two more times with
the transmitter used in step 2.
5. Turn the ignition switch ON (ll).
6. Press the "LOCK" or "UNLOCK" button on the
same transmitter. Check that the power door
locks cycle to confirm that you're in the
programmrng mooe.
7. Press the "LOCK" or "UNLOCK" button on each
lransmitter. (You can program up to four
lransmitters per vehicle.) Check that the power
door locks cycle after you push each transmitter
button, contirming that the system has accepted
the transmitter's code.
Beep On/Off Feature
1 . Press and hold the LOCK and OPTION buttons
on the transmitter.
2. Watch the transmitter's LED:
One flash: BeeD activated.
Two flashes: Beep deactivated.
130-14

How the Circuit Works
Arming the Security System
The security system can be armed:
r By pressing the remote control LOCK button
(if equipped)
. 20 seconds atter closing all doors (C)UDX only)
Arming with the Transmitter
The security system can be armed by removing the
ignition key from the ignition switch, closing all
doors and the trunk, and pressing the LOCK button
on the transmitter. When you arm the system in this
way, the remote control LED comes on, the status
LED flashes once per second, the parking lights
flash once. the doors lock. and the horn sounds
once if the beeo sound mode is on.
Passive Arming (CX and Dx only)
When you turn the ignition to OFF, remove the
ignition key from the ignition switch, and close all
the doors and the trunk; the system will
automatically arm itself 20 seconds after the trunk
or last door is closed. When you arm the system
this way, the status LED tlashes 4 times per second
during the exit delay time, and once per second
after the system is armed; the parking lights will
flash once to confirm that the system is armed.
Triggering the Alarm
Atter you've armed the system, it will trigger the
alarm if any door or the trunldhatch is opened. lf the
battery is disconnected when the system is armed or
in the alarm mode, reconnecting it will immediately
trigger the alarm. When the alarm is triggered, the
following will occur for 30 seconds:
. the horn sounds
o the parking lights flash once per second
. the status LED flashes hvice oer second
. the starter is disabled
After 30 seconds, the alarm will stop and the
system will rearm. Pressing the transmitter
UNLOCK button will disarm the svstem.
tlr
133-13
Disarming the System without the Remote
Transmitter (HX, LX, and EX)
You can disarm the system by turning the ignition
switch to ON (ll) and pressing the disarm/valet
switch on the right side ol the stereo tuner face. The
disarm switch will also disarm the svstem after the
system has been triggered.
Disarming the System with the Remote
Transmitter (Hx, Lx, Ex, DX-V, and Si)
Pressing the transmitter UNLOCK button will disarm
the system. The parking lights llash t\ivice if the
alarm has not been tnggered. The parking lights
flash three times if the alarm has been triggered.
The driver's door will unlock. lf you press the unlock
button twice, it will unlock all doors. lf a door is not
opened within 30 seconds, the system will lock all
doors and rearm.
Disarming the System (CX and DX only)
lf the system arms itself, there is a 20 second delay
after you open a door before the alarm will trigger.
To disarm the system in this mode, simply turn the
ignition switch to the ON position
ldentitying Tripped Sensors
The system identifies which sensor trips the alarm
by flashing the status LED. To display the trip
sensor flash code, press the disarm/valet switch 3
times within 5 seconds after the system has been
disarmed. The status sensor will blink according to
the followino codes:
SensorsNumber of Flashes
Door
TrunldHatch
System Switches
1 blink, pause, repeat
2 blinks, pause, repeat
3 blinks, pause, repeat
For further operating instructions, see the security
syslem owner's manual.
(cont'd)