Toyota Hilux Surf 1993 Owner's Manual page 874

Wire Harness Side
Tester
Check for
connection
Continuity
*There is resistance because this circuit is included the bulb.
Junction Block Side
Tester
Check for
connection
Continuity
Voltage
BODY ELECTRICAL SYSTEM
3. INSPECT INTEGRATION RELAY
Remove the integration relay and inspect the connectors
on the wire harness side and the junction block side as
shown in the chart.
OFF (Ignition key removed)
Key unlock warning
switch position
ON (Ignition key set)
OFF (Belt fastened)
Buckle switch position
ON (Belt unfastened)
Constant
OFF (Door closed)
Driver's door courtesy
switch position
ON (Door opened)
OFF (Door closed)
Passenger's door cour–
tesy switch position
ON (Door opened)
Constant
Constant
LOCK or ACC
Ignition switch position
If circuit is as specified, replace the relay.
Open Door Warning System
1. INSPECT WARNING LIGHT
(a) Disconnect the connector from the door courtesy
(b) Turn the ignition switch ON, check that the warning
2. INSPECT COURTESY SWITCH
(a) Check that there is continuity between terminal and
(b) Check that there is no continuity between terminal
If operation is not as specified, replace the switch.
– Combination Meter
Condition
Condition
switch and ground terminal on the wire harness
side.
light lights up.
If the warning light does not light up, test the bulb.
the switch body with the switch ON (switch pin
released).
and the switch body with the switch OFF (switch
pin pushed in).
BE–41
Specified value
No continuity
Continuity
No continuity
Continuity
*Continuity
No continuity
Continuity
No continuity
Continuity
Specified value
Continuity
Battery positive voltage
No voltage
Battery positive voltage