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- '99-'00Models
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- '96-'98 Models
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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.

\,113. Recheck with a known good transmitler
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace the transmitter and program it by
using the procedure on page 130-4.
No - ReDlace the radio.
\lr
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Ceiling Light Does Not Come On When
The Doors Are Unlocked With The
Transmitter
NOTE: The vehicle must have a tactory radio installed.
1 . ls the ceiling light switch in the center position?
Yes - Go to the nexl steo.
No - Reposition the ceiling light switch and
retest.
2. Does the ceiling light come on with the ceiling
light switch in the ON position?
Yes - Go to the next step.
No - Repair the ceiling light circuit.
3. Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next step.
No - Check the transmitter battery, then retest.
lf the ceiling light still does not work, go to
the next steD.
4. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace the transmitter and program it by
using the procedure on page 130-4.
No - Go to the ne)d steo.
5. With the keyless entry harness connector (B)
disconnected from the radio. run a jumper wire
f rom terminal 8 to ground.
Does the ceiling light come on?
Yes - Replace the radio.
No - Repairthe open in the keyless entry
harness connector {B) terminal 8
(LT GRN/BLK) wire.
130-9

Power Door Locks (contd)
Doors Do Not Unlock Or Lock With
The Transmitter
1. Do the door's unlock and lock when usinq the
driver's door lock switch?
Yes - Go to the next step.
No - Repair the power door lock system.
2. Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next steo.
No - Check the transmitter battery, then retest.
It lhe doors still do not unlock or lock with
the transmitte( go to the next step.
Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes.
Yes - Replace and program the transmitter,
then retest. Use the procedure on page
1 30-4 f or transmitter programming.
No- Gotothe next step.
Run a jumper wire from terminal I of the keyless
entry harness connector (B) to ground.
Do the doors unlock?
Yes - Go to the next steD.
No - Repair the open in the terminal 9
(GRN/ORN) wire.
130-10
5. Run a jumper wire from terminal 10 ol the
keyless entry harness connector (B) to ground.
Do the doors lock?
ves - Go to ttie next steo.
No - Repair the open in the terminal 10
(GRN/vVHT) wire.
Does the voltage at terminal 1 of the keyless
entry harness connector (B) change from battery
voltage when the key is not in the ignition, to
less than 1 volt when the key is in the ignition?
7.
Yes - Go to the next step.
No - Replace the ignition switch or repair the
damaged terminal 1 (BLU/RED) wire.
Does the voltage at terminal 14 of the keyless
entry harness connector (B) change from battery
voltage when all the doors are closed, to less
than 1 volt when any door is opened?
Yes - Replace the radio.
No - Repair the open in the terminal 14
(LT GRN/RED) wire.

a
Horn Does Not Sound In The Panic
Mode Or With The Transmitter "Beep"
Feature On
NOTE: The transmitter has a Beep On/Off feature.
Refer to page 130-4 for how to tum the beep on or
off.
1. Does the horn sound when the HORN button is
oressed?
Yes - Go to the next steD.
No - Repair the horn circuit.
2. Does the transmittor LED come on when any of
the buttons are pressed?
Yes - Go to the next step.
No - Check the transmitter battery then retest.
ll the beep feature still does not work, go
to the next steo.
3. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace and program the transmitter,
then retest. Use the procedure on page
1 30-4 f or transmitter programming.
No - Go to the next step.
4. With the keyless entry harness connector (B)
disconnected from the radio, run a.iumper wire
f rom terminal 16 to ground.
Does the horn sound?
Yes - Reglace the radio.
No - Repair the open in the terminal 16 (GRY)
wire.
\
Horn Does Not Stop Sounding
1. ls the vehicle equipped with the optional security
system?
Yes - Go to the next step.
No - Go to step 3.
Do€s the horn stop sounding when the security
control unit connector is disconnected?
Yes - Replace the security control unit.
No- Go to the next step.
Does the horn stop sounding when the keyless
entry harness connector (B) is disconnected?
Yes - Reolace the radio.
No - Reoair the hom circuit.
130-11

Power Door Locks (cont'd)
Ceiling Light Does Not Come On When
The Doors Are Unlocked With The
Transmitter
1 . ls the ceiling light switch in the center position?
Yes - Go to the next steD.
No - Reposition the ceiling light switch and
relesI.
2. Does the ceiling light come on with the ceiling
light switch in the ON position?
Yes - Go to the next steo.
No - Repau the ceiling light circuit.
3. Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next step.
No - Check the transmitter battery, then retest.
lf the ceiling light still does not work, go to
the next step.
4. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace the transmitter and program it by
using the procedure on page 130-14.
No - Go to the next step.
5. With the keyless door lock control unit connector
disconnected, run a jumper wire from terminal 1
to ground.
Does the ceiling light come on?
Yes - Replace the keyless door lock control
un [.
No - Repair the open in the terminal I
(LT GRN/BLK) wire.
130-18
Doors Do Not Unlock Or Lock With
The Transmitter
1 . Do the door's unlock and lock when using the
drivefs door lock switch?
Yes - Go to the next steo.
No - Repair the power door lock system.
2. Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next steo.
No - Check the transmitter batlery, then retest.
lf the doors still do not unlock or lock with
the transmitter, go to the next step.
3. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes.
Yes - Replace and program the transmitter,
then retest. Use the procedure on page
1 30-1 4 for transmitter programming.
No - Go to the next steo.
4. Does the voltage at terminal 3 of the keyless
door lock control unit connector change from
battery voltage when the key is not in the
ignition, to less than 1 volt when the key is in
the ignition?
Yes - Go to the next step.
No - Replace the ignition switch or repair the
damaged terminal 3 (BLU/RED) wire.
5. Does the voltage at terminal 12 of the keyless
door lock control unit connector change from
battery voltage when all the doors are closed, to
less than I volt when any door is opened?
Replace the keyless door lock control unit.
Reoair the ooen in the terminal 12
(LT GRN/RED) wire.

Horn Does Not Sound In The Panic
Mode Or With The Transmitter "Beep"
Feature On
NOTE: The transmitter has a Beep On/Ott toature.
Refer to page 130-14 for how lo turn the be€p on or
off.
1. Does the horn sound whon the HORN button is
oressed?
Yes - Go to the next step.
No - Repair the horn circuit.
2. Does the transmitter LED come on when any of
the buttons are Dressed?
Yes - Go to the next steP.
No - Check the transmitter battery, then retest.
lf the beep feature still does not work, go
to the next steo.
3. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace and program the transmitter,
then retest. Use the procadure on pag€
1 30-1 4 for transmitter programming.
No - Go to the neLt siep.
4. With the keyless door lock control unit connector
disconnected, run a iumper wire from terminal
15 to ground.
Does the horn sound?
Yes - Replace the keyless door lock control unit.
No - Repair the open in th€ terminal 15 (GRY)
wire.
\lr
130.19
Horn Does Not Stop Sounding
1. ls the vehicle equipped with the optional security
system?
Yes - Go to the next step.
No - Go to steD 3.
Does the horn stop sounding when the security
control unit connoctor is disconnected?
Yes - Replace the sEcurity control unit.
No - Go to the nsxt step.
Does the horn stop sounding when the keyless
door lock control unit connector is disconnected?
Yes - Replace the keyless door lock control unit.
No - ReDair the horn circuit.