Toyota Hilux Surf 1993 Owner's Manual page 853

BE–20
Tester connection
Check for
Continuity
Voltage
BODY ELECTRICAL SYSTEM
(Headlight Dimmer Relay/Continuity)
Apply battery positive voltage
to terminals 2 and 4.
If continuity is not as specified, replace the relay.
1. INSPECT DAYTIME RUNNING LIGHT RELAY
(Relay Circuit)
Disconnect the connector from the relay and inspect the
connector on the wire harness side as shown in the
chart.
Light control switch
position
Light control switch
position
Headlight dimmer
switch position
Parking brake switch
position
Constant
Headlight dimmer
switch position
Ignition switch
position
Constant
Engine
– Lighting System
Terminal
Condition
Constant
Condition
OFF
TAIL or HEAD
OFF or TAIL
HEAD
Low beam or High beam
Flash
OFF
(Parking brake lever released)
ON
(Parking brake lever pulled up)
Low beam
High beam or Flash
LOCK or ACC
ON or START
Stop
Running
Specified value
No continuity
Continuity
No continuity
Continuity
No continuity
Continuity
No continuity
Continuity
Continuity
No continuity
Continuity
No voltage
Battery positive voltage
Battery positive voltage
No voltage
Battery positive voltage