ELECTRICAL COMPONENTS
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6. If the differential gear lock indicator light fails to come on:
(1). Bulb and bulb socket
• Check the bulb and bulb socket for
continuity.
CONTINUITY
(2). Differential gear lock indicator light relay
• Remove the differential gear lock indicator
light relay from the wire harness.
• Connect the pocket tester (Ω × 1) and the
battery (12 V) to the differential gear lock
indicator light relay terminals.
• Check the differential gear lock indicator
light relay for continuity as follows.
Tester
(+)
lead Brown /Red
terminal ①
Tester(–)lead
Brown /
Black
Terminal ②
Continuity
Battery(+)terminal
Brown
/Red
terminal ①
Battery (–)terminal
Brown /
Black
Terminal ②
Tester(+) lead Black
Terminal ③
Tester
(–)
lead Black/
Red
terminal ④
No
continuity
CONTINUITY
(3). Four-wheel drive switch
Refer to “CHECKING THE SWITCH”.
CONTINUITY
NO CONTINUITY
Replace the bulb and/or bulb socket.
NO CONTINUITY
Replace the differential gear lock indicator
light relay.
NO CONTINUITY
Replace the gear motor.
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