Check The Bulb; Check For Short Circuit - Toyota Hilux Surf 1993 Owner's Manual

BODY ELECTRICAL SYSTEM

Check the Bulb

(a) Remove the bulb.
(b) There should be continuity between the respective
(d) Apply battery positive voltage and check that the

Check for Short Circuit

(a) Remove the blown fuse and eliminate all loads from
(b) Connect a test bulb in place of the fuse.
(e) Establish conditions in which the test bulb comes
(d) Disconnect and reconnect the connectors while
(e) Find the exact location of the short by lightly shak–
– General Information
(c) Use a volt/ohmmeter with high impedance (10 k/V
minimum) for troubleshooting of the electrical cir–
cuit.
terminals of the bulb together with a certain amount
of resistance.
(c) Apply the two leads of the ohmmeter to each of the
terminals.
bulb light up.
the fuse.
on.
Example:
(A) Ignition switch on.
(B) Ignition switch and switch 1 (SW 1) on.
(C) Ignition switch, switch 1 (SW 1) and relay on
(connect the relay) and switch 2 (SW2) off
(or disconnect switch 2 (SW2)).
watching the test bulb.
The short lies between the connector where the test
bulb stays lit and the connector where the bulb goes
out.
ing the problem wire along the body.
BE–5