fuse box MAZDA 626 1987 Owner's Guide

1 5 POWER DOOR LOCK
TROUBLESHOOTING

Terminal Voltage
WG 12V
B OV
Check the voltage
at GB
terminal
of
the power door lock relay with each switch condition.
Terminal Condition Voltage
GB Lock 12V GB Unlock OV

OK

Check the voltage
at R
and
G
terminal
of
the power door lock relay with each switch condition.
Terminal Condition Voltaae
R Lock OV R Unlock 12V
G Lock 12V G Unlock OV

Power door lock does not operate.

Check DOOR LOCK 30A fuse.

OK
NG
Short circuit.
Check the voltage
at
each terminal
of
the power door lock relay connector.

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

OK

Check the power door lock switch. Refer
to
page 15-107.

OK
NG
Replace the switch.

NG
Repair the harness. (Door lock switch
to
relay)

NG
Replace the door lock relay.

OK

Check the power door lock motor. Refer
to
page
15-107.

OK

Repair the harness. (Relay
to
each motors)

NG
Replace the door lock motor.

76G15X086
15—106