Door Lock Signal - Toyota Hilux Surf 1993 Owner's Manual

Tester
Check for
connection
Continuity
Voltage
BODY ELECTRICAL SYSTEM
3. INSPECT DOOR LOCK CONTROL RELAY
(Relay Circuit)
Disconnect the connector from the relay and inspect the
connector on the wire harness side as shown in the
chart.
Door lock manual switch or door key lock
and unlock switch position
Door lock manual switch or door key lock
and unlock switch position
Passenger's door courtesy switch
position
Driver's door lock switch position
Constant
Passenger's door lock switch po–
sition
Driver's door courtesy switch
position
Constant
Ignition switch position
Key unlock warning switch posi–
tion
If circuit is as specified, inspect the door lock signal and
key–off power window signal.

(Door Lock Signal)

HINT: When the relay circuit is as specified, inspect the
door lock signal.
– Power Door Lock Control System
Condition
OFF or LOCK
Unlock
OFF or Unlock
Lock
OFF (Door closed)
ON (Door opened)
Unlock
Lock
Unlock
Lock
OFF (Door–closed)
ON (Door opened)
LOCK or ACC
OFF (Ignition key removed)
ON (Ignition key set)
(a) Connect the connector to the relay.
(b) Connect the positive (+) lead from the voltmeter to
terminal 1 and negative (–) lead to terminal 6.
(c) Set the door lock manual switch to UNLOCK, check
that the voltage rises from 0 V to battery positive
voltage for approximately 0.2 seconds.
(d) Reverse the polarity of the voltmeter leads.
(e) Set the door–lock manual switch to LOCK, check
that the voltage rises from 0 V to battery positive
voltage for approximately 0.2 seconds.
If operation is not as specified, replace the relay.
BE–51
Specified value
No continuity
Continuity
No continuity
Continuity
No continuity
Continuity
Continuity
No continuity
Continuity
Continuity
No continuity
No continuity
Continuity
Battery positive voltage
No voltage
Battery positive voltage
No voltage
Battery positive voltage