1987 MAZDA 626 fuse box

1 5 WARNING AND SENDER
Shift Indicator Light
All shift indicator lights do not Illuminate when ignition switch on. (other warning light are all right.)

Check the voltage
at BY
terminal
of
the inhibitor switch connector with ignition switch
on.

Terminal Voltage
BY 12V

NG
Repair the harness (Fuse box
to
inhibitor switch).

OK

Check the inhibitor switch. Refer
to
page 7B—65
NG
Replace the inhibitor switch. Check the inhibitor switch. Refer
to
page 7B—65 Replace the inhibitor switch.

OK
NG
Check the bulbs
of
the shift indicator lights.
NG
Replace the bulb.

OK

Turn the ignition switch on, and check the voltage
at
each terminal
of
the meter connector with each con-dition.
Terminal Selector lever Voltage
YL (2J) P 12V
RG (1L) R 12V
YR (2L) N 12V
Y(1V) D 12V
YB (1S) 2 12V
YW (1M) 1 12V

NG
Repair the harness (Inhibitor switch
to
meter).

76G15X-087
O/D OFF Indicator Light
OK

Repair the harness (O/D OFF switch
to
ground).

76G15X092
15-38

1 5 TURN AND HAZARD LIGHT
TROUBLESHOOTING
Note
Check the TURN 15A fuse in the fuse box before troubleshooting.

Terminal Voltage
H (BG) 12V

OK

Check the voltage between each terminal
of
flasher unit connector and
a
body ground with each con-dition.
Terminal Condition Voltage
A(B) Any time OV
E (BR) Turn switch
is
Riaht 12V
F (GY) Turn switch
is
left 12V
H (Br) Anv time 12V

OK
Turn function does not operate.

Check the flasher unit. Refer
to
page 15—47

OK

Check the turn signal switch. Refer
to
page 15—14

OK
NG
NG

Check the voltage
at H
(BG) terminal
of
the combina-tion switch (Turn).
Replace the unit.
Replace the switch.

NG
Repair harness. (Fuse box
to
combination switch)
Repair harness.

NG

Terminal Wiring harness
A (B) Flasher unit
to
ground
E (BR) Flasher unit
to
combination switch
F (GY) Flasher unit
to
combination switch
H (Bri Fuse box
to
Flasher unit
Check the lights and wiring harness (Each bulb
to a

body ground)

NG
Replace the lights
or
repair the wiring harness.

OK

Repair harness. (Flasher unit
to
each bulb)
76G15X-045
Hazard function does not operate. (Turn func-tion is normal)

Check the hazard switch. Refer
to
page 15—19,
20
OK
NG
Replace the switch.
Check the voltage
at
each terminal
of
the hazard
switch connector.
Terminal Voltage
B (GR) 12V
D (B) OV

15-46
NG
Repair the wiring harness. (Flasher unit
to
hazard
switch, hazard switch
to
ground)

OK

Check the flasher unit. Refer
to
page 15—47
NG
Replace the unit.

76G15X-046

STOP LIGHT 1 5
CIRCUIT DIAGRAM
TROUBLESHOOTING
Note
Check the STOP 15A fuse in the fuse box before troubleshooting.
86U15X-085
15—49

1 5 STOP LIGHT
Both side stop lights do not illuminate when brake on.

Check the voltage
at A
(GW) terminal
of
stop light switch connector.
NG

Terminal Voltage
A (GW) 12V
Repair harness. (Fuse box
to
stop light switch)

OK

Check the stop light switch. Refer
to
page 15—51
NG
Replace the switch.

OK

Check the voltage between each terminal
of
the stop and tail light checker connector and
a
body ground when brake
on.

Terminal Voltage
B(B) OV
C (WG) 12V
NG Repair the wiring harness. (Stop light switch
to
stop and tail light checker, stop and tail light checker
to
body ground)

OK
OK

Repair the wiring harness. (Stop and tail light checker to bulb, bulb
to
body ground)

76G15X-049
Light Checker
1. Check for continuity between terminals of the stop
and tail light checker.
Stop and tail light checker (except West
Germany)
3 c £
r -r •
I i f 1 3
76G15X050

Terminal Continuity Terminal Continuity Terminal Continuity
i + i -
Continuity
+
1
-
Continuity
i + i -
Continuity
a-b
O
c-d
X
f-a
X

a-c
O
c-f
o
f-h
0

a-d
X c-g X g-a o

a-f
o
c-h
o
g-b
o

a-a
X
d-a
o a-c o

a-h
o
d-b
o
g-d
X

b-a
o
d-c
0
a-f
o

b-c
o
d-f
o
g-h
o

b-d
X
d-g
X
h-a
o

b-f
o
d-h
o
h-b
o

b-g
X
f-a
0
h-c
o

b-h
o
f-b
o
h-d
X

c-a
0
f-c
o
h-f
o

c-b
o
f-d
X
h-a
X

O: Indicates continuity
X: No
continuity

15-50

1 5 PANEL LIGHT CONTROL
PANEL LIGHT CONTROL
CIRCUIT DIAGRAM
COMBINATION SW (Light Sw)
1 ? 3= o
5
B
*
SB c
52 "
o
-too u c E o E H Eil'y E 1 a tcsfi
86U15X-098
TROUBLESHOOTING
OK

Repair the wiring harness. (Fuse box
to
panel light controller, Panel light controller
to
body ground)

76G15X-056
15—56

Check the voltage between each terminal
of
the pan-el light controller connector and
a
body ground.
Terminal Voltage
B (RB) 12V
C(B) OV

15 REMOTE CONTROL MIRROR
TROUBLESHOOTING

Terminal Voltage
G (LW) 12V
H(B) OV

OK

Check the remote control mirror switch. Refer
to
fol-lowing inspection.

OK

Check for continuity between each terminals
of
the remote control mirror motor.
Terminal
Br

O
Lg
-O-

BrY

-O

O—O: indicate continuity

Remote control mirrors do not operate.

Check the voltage between each terminal
of
the
re-
mote control mirror switch connector and
a
body ground with ignition switch
in
ACC.
NG
Replace RADIO 15A fuse
or
repair the harness (Fuse box
to
switch, switch
to
body ground)

NG
Replace the switch.

NG
Replace the motor.

OK

Repair the harness. (Switch
to
Motor)
86U15X-124
86U15X-125
INSPECTION
Remote Control Mirror Switch
1. Remove the negative battery cable.
2. Remove the remote control mirror switch.
3. Check for continuity between the terminals using
an ohmmeter.

Position
Left
Right
Operation
Up
Down
Left
Right
Up
Down
Left
Right

9
O
o-
o
o
o
o-
o-
o
O-O—o
o-
o-
o~o
o
o-
o
o-
o-o
•o -o
•o

f

•o
-o
-O
o
-o
-o
o
o
o-o
-o-o
-o
o
•o
o

O—O: Indicates continuity

4. If continuity is not as specified, replace the remote
control mirror switch.
15—70

SLIDING SUNROOF 1 5
TROUBLESHOOTING
Sunroof does not operate correctly.

Check SUNROOF 15A fuse.
Turn ignition switch
ON

Check the voltage
at
each terminal
of
the sunroof
re-
lay No.
1
and No.
2.

Relay Terminal Voltage
No.
1

G 12V
No.
1
G 12V No.
1

B OV
No.
2

G 12V
No.
2
G 12V No.
2

B OV

OK

Check the sunroof relays. Refer
to
page 15—92.

OK

Check the voltage
at
each terminal
of
the sunroof motor.

OK

Check the sunroof motor and limit switch. Refer
to
page 15—92,
93.
OK

Check
for
12V
at L
terminal
of
the sunroof motor connector.

OK

Check the voltage
at
each terminal
of
the sunroof switch connector with each roof condition.

OK

Terminal Voltage
Y OV
YR OV
YG 12V
Terminal Roof condition Voltaae
L Close 12V
LY Close 12V
LG Open 12V
LW Tilt
up
12V
LR Any time 12V
B Any time OV
Check the sunroof switch. Replace
if
necessary.
Re-
fer
to
page 15—92.

NG
Repair the harness. (Fuse box
to
relay, Relay
to

body ground)

NG
Replace the relays.

NG
Repair the harness. (Relay
to
motor).

NG
Replace the motor and limit switch.

NG
Repair the harness. (Relay
to
motor)

NG
Repair the harness. (Motor
to
switch Fuse box
to

switch Switch
to
body ground)

76G15X-078
15—91

1 5 AUTO ADJUSTING SUSPENSION (AAS)
Condition Output pattern Malfunction Flow chart
No.
A

Set steering wheel
in

straight ahead position

0.5 sec
4.4V
n\/
2 sec

Vehicle speed sensor
or

wiring harness (Meter
—

Control unit)
AAS-1
Refer
to

page
15—98

A

Set steering wheel
in

straight ahead position
Vehicle speed sensor
or

wiring harness (Meter
—

Control unit)
AAS-1
Refer
to

page
15—98

A

Set steering wheel
in

straight ahead position

0.5 secO.!
4.4V
nv
i sec
2
sec
— <—i i— -
Steering wheel angle sen-
sor
or
wiring harness (An-
gle sensor
—
Control unit)
AAS-2
Refer
to

page
15-98

A

Set steering wheel
in

straight ahead position

-
Steering wheel angle sen-
sor
or
wiring harness (An-
gle sensor
—
Control unit)
AAS-2
Refer
to

page
15-98

A

Set steering wheel
in

straight ahead position

nv

Normal operation or wiring
harness (Fuse box
—
Con-
trol unit, control unit
—

Body ground)
AAS-3
Refer
to

page
15-99

A

Set steering wheel
in

straight ahead position
Normal operation or wiring
harness (Fuse box
—
Con-
trol unit, control unit
—

Body ground)
AAS-3
Refer
to

page
15-99

B

Turn the steering wheel
right and left

0.5 sec
4.4V
n\/
2 sec
—
Vehicle speed sensor
or

wiring harness (Meter
—

Control unit)
AAS-1
Refer
to

page
15-98

B

Turn the steering wheel
right and left
Vehicle speed sensor
or

wiring harness (Meter
—

Control unit)
AAS-1
Refer
to

page
15-98

B

Turn the steering wheel
right and left

0.5 sec 0
4.4V""-
.5 se c 2 se
-

Normal operation
—
B

Turn the steering wheel
right and left Normal operation
—
B

Turn the steering wheel
right and left

ov

Wiring harness (Fuse box
— Control unit, Control unit
— Body ground) See page
AAS-4
Refer
to

page
15—99

B

Turn the steering wheel
right and left
Wiring harness (Fuse box
— Control unit, Control unit
— Body ground) See page
AAS-4
Refer
to

page
15—99

C

Change the switch from
NORMAL to SPORT
or

from SPORT
to

NORMAL

0.5 sec
4.4V-""
_

n

Normal operation
—
C

Change the switch from
NORMAL to SPORT
or

from SPORT
to

NORMAL
Normal operation
—
C

Change the switch from
NORMAL to SPORT
or

from SPORT
to

NORMAL

0.5 sec 0
4.4V
nv
.5 se c
—
2 se
C

i—1 i—i
Front actuators
or
wiring
harness (Control unit
—

Front right
or
left actuator
AAS-5
Refer
to

page
15-100

C

Change the switch from
NORMAL to SPORT
or

from SPORT
to

NORMAL
Front actuators
or
wiring
harness (Control unit
—

Front right
or
left actuator
AAS-5
Refer
to

page
15-100

C

Change the switch from
NORMAL to SPORT
or

from SPORT
to

NORMAL

0.5 sec 0
4.4V*-
n\/
.5 se c
— r— —
2 sec
—1
Rear actuators
or
wiring
harness (Control unit
—

Rear right
or
left actuator
AAS-6
Refer
to

page
15-101

C

Change the switch from
NORMAL to SPORT
or

from SPORT
to

NORMAL
Rear actuators
or
wiring
harness (Control unit
—

Rear right
or
left actuator
AAS-6
Refer
to

page
15-101

15-96