Opel Frontera UBS. Manual - part 1681

8D–402

WIRING SYSTEM

ITEM MALFUNCTION

POSSIBLE CAUSE

DETECTING METHOD

REMARKS

Even when door
unlocked with
key, alarm
operates.

Alarm does not
operate even with
tailgate open.

Even when
tailgate is opened
with key, alarm
does not stop.

Even when
engine hood is
opened with
remote release,
alarm does not
operate

Even when
starter switch is
turned, alarm
does not stop

Indicator light
continues
flashing

Refer to “Connector
check table” in this
system.

Refer to “Connector
check table” in this
system.

Refer to “Connector
check table” in this
system.

Defective contact of detect
switch, or damaged switch wiring.

Door detect switch is assembled
to wrong door.

Defective contact of tailgate
switch, or defective wiring.

Defective contact of tailgate
detect switch, or damage wiring.

Damaged engine hood switch or
wiring.

Defective contact of starter
switch.

Damaged door switch, or a short
circuit in wiring.

Damaged tamper switch, or a
short circuit in wiring.

Check the control unit connector.

When key is turned to lock
position, alarm stops.

When luggage room light switch
is turned on with tailgate open,
luggage room light does not
come on.

Check the control unit connector.

With starter switch turned to
“ACC” position, audio, cigarette
lighter and door mirrors (on
“ACC” circuit) do not operate.

After closing door, dome light and
courtesy light remain on.

Check the control unit connector.

F

G

H

I

J

K

WIRING SYSTEM

8D–403

System Check Procedure

STEP

OPERATION

ITEM TO BE CHECKED

ITEM OF

REMARKS

MALFUNCTION

Be sure to lock door
with locking knob.

Activate alarm
device.

All doors are
unlocked.

With key set at unlock
position, check to see
if alarm stops.

All doors are
locked.

Activate alarm
device.

Activate alarm
device.

Only left rear door
is unlocked.

Check to see if engine hood,
tailgate and doors are closed and
locked.

Check to see if indicator light
remains lit off.

Check to see if indicator light
flashes.

Check to see if dome light and
courtesy light illuminate.

Check to see if indicator light
changes from flashing to steadily
on.

Check to see if indicator light
turns off in about 10 seconds.

Check to see if alarm operates
(with headlight flashing, and horn
blaring intermittently.)

Check to see if alarm stops.

Check to see if indicator light
turns on.

Check to see if indicator light
goes off after about 10 seconds.

Check to see if alarm does not
operate.

Check to see if indicator light
turns on.

Check to see if indicator light
goes off after about 10 seconds.

Check to see if alarm starts.

Turn starter key to “ON” position.

Open windows fully.

Pull out starter key after turning it
back to “OFF” position.

Unlock left front door with locking
knob.

Open left front door. (And get out
of the vehicle.)

Close left front door.

Lock left front door.

Wait about 10 seconds

Unlock left front door with locking
knob.

Insert key into key cylinder of left
front door and turn it in unlock
direction.

Lock left front door.

Wait for about 10 seconds.

Unlock left front door with key.

Lock left front door with key.

Wait for about 10 seconds.

Unlock left rear door with locking
knob.

K

A

B

C

D

E

B

C

F

B

C

D

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8D–404

WIRING SYSTEM

STEP

OPERATION

ITEM TO BE CHECKED

ITEM OF

REMARKS

MALFUNCTION

With key set at
unlock position,
check to see if
alarm stops. (All
doors are unlocked.)

All doors are
locked.

Activate alarm
device.

Only tailgate is
unlocked.

With key set at
unlock position,
check to see if
alarm stops.

Activate alarm
device.

Activate alarm
device.

Check to see if alarm stops.

Check to see if indicator light
flashes.

Check to see if dome light and
courtesy light come on.

Check to see if indicator light is
steadily on.

Check to see if indicator light
turns off in about 10 seconds.

Check to see if alarm operates.

Check to see if alarm stops.

Check to see if indicator light
flashes.

Check to see if luggage room
light on.

Check to see if indicator light
changes over from flashing into
lighting condition.

Check to see if indicator light
goes off after about 10 seconds.

Check to see if alarm does not
operate.

Check to see if indicator light
come on.

Check to see if indicator light
goes off after about 10 seconds.

Insert key into key cylinder of left
front door and turn it to unlock
direction.

Open left rear door.

With one person in vehicle, close
left rear door.

Lock left front door with locking
knob.

Wait about 10 seconds.

Unlock tailgate from inside with
locking knob.

Open tailgate, insert key into key
cylinder of tailgate and turn it in
lock direction.

Leave tailgate open.

Close tailgate

Insert key into tailgate key
cylinder and turn it in lock
direction.

Wait about 10 seconds.

Unlock tailgate with key.

Lock tailgate with key.

Wait about 10 seconds.

E

A

B

C

D

H

A

G

B

C

F

B

C

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WIRING SYSTEM

8D–405

STEP

OPERATION

ITEM TO BE CHECKED

ITEM OF

REMARKS

MALFUNCTION

Only right rear door
is unlocked.

With key at unlock
position, check to
see if alarm stops.
(With all doors
unlocked.)

Activate alarm
device.

Only right front door
is unlocked.

With key at unlock
position, check to
see if alarm stops.
(With all doors
unlocked.)

Activate alarm
device.

Check to see if alarm operates.

Check to see if alarm stops.

Check to see if indicator light
flashes.

Check to see if dome light and
courtesy light come on.

Check to see if indicator light
stays on steadily.

Check to see if indicator light
goes off after about 10 seconds.

Check to see if alarm operates.

Check to see if alarm stops.

Check to see if indicator light
flashes.

Check to see if dome light and
courtesy light come on.

Check to see if indicator light
stays on steadily.

Check to see if indicator light
goes off after about 10 seconds.

Check to see if alarm does not
operate.

Check to see if indicator light
stays on steadily.

Unlock right rear door with
locking knob.

Insert key into key cylinder of
right front door and turn it in
unlock direction.

Open right rear door.

Close right rear door.

Insert key into key cylinder of
right front door and turn it in lock
direction.

Wait about 10 seconds.

Unlock right front door with
locking knob.

Insert key into key cylinder of
right front door and turn it in
unlock direction.

Open right front door.

Close right front door.

Lock right front door with key.

Wait about 10 seconds.

Unlock right front door with key.

Lock right front door with key.

D

E

A

B

C

D

E

A

B

C

F

B

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