Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf ewdtmc2 ewdtmpdf ewdsourc 2002 024runne systemci 028lato
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LIGHT AUTO TURN OFF
* 1 : W/O DAYTIME RUNNING LIGHT FROM POWER SOURCE SYSTEM (SEE PAGE 48)
* 2 : W/ DAYTIME RUNNING LIGHT
10A
GAUGE
R
8 1F
5 1K
B- Y
R- G
6 1C
R
15 IG1
R- G
B
CONNECTOR
D
JUNCTION
D R
R- G
2 2
DAYTIME RUNNING LIGHT
(* 2)
3 2
J3
D
CONNECTOR
TAIL RELAY
JUNCTION
B 6
R- B
RELAY (MAIN)
R
J5
(* 1)
5 1 B R
2 2
D8
7
1 3 2
R- G
B- Y
HEAD RELAY
G
120A ALT
(* 2)
6 E 5 E 12 B
2 4
COMBINATION METER
1
C27 E , C29 B
2
1 E 2 E 17 E 9 E
W- B
R- W
R- Y
B
W
DOOR COURTESY SW
13 14 1
OFF
FRONT LH
TAIL
HEAD
D16
C13 16
LIGHT CONTROL SW
[COMB. SW]
BATTERY
W- B
A
J4 A W- B
JUNCTION
CONNECTOR
IE
2002 4RUNNER (EWD471U)
106
SYSTEM OUTLINE
With the ignition SW turned on, the current flows to TERMINAL (B) 12 of the combination meter through GAUGE fuse.
Voltage is applied at all times to TERMINAL (E) 6 of the combination meter through the TAIL relay (Coil side), and to
TERMINAL (E) 5 of the combination meter through the HEAD relay (Coil side) [w/o daytime running light] or through the
daytime running light relay (Main) [w/ daytime running light].
1. NORMAL LIGHTING OPERATION
(Turn taillight on)
With the light control SW turned to TAIL position, a signal is input into TERMINAL (E) 2 of the combination meter. According
to this signal, the current flowing to TERMINAL (E) 6 of the combination meter flows from TERMINAL (E) 2 to TERMINAL 14
of the light control SW to TERMINAL 16 to GROUND and TAIL relay causes taillight to turn on.
(Turn headlight on)
With the light control SW turned to HEAD position, the signals are input into TERMINALS (E) 1 and (E) 2 of the combination
meter. According to these signals, the current flowing to TERMINAL (E) 5 of the combination meter flows to TERMINAL (E) 1
to TERMINAL 13 of the light control SW to TERMINAL 16 to GROUND in the headlight circuit, and causes TAIL and HEAD
relay to turn the light on. The taillight circuit is same as above.
2. LIGHT AUTO TURN OFF OPERATION
With the lights on and the ignition SW turned off (Input signal goes to TERMINAL (B) 12 of the combination meter), when
door on front LH side is opened (Input signal goes to TERMINAL (E) 9 of the combination meter), the relay operates and the
current is cut off which flows from TERMINAL (E) 6 of the combination meter to TERMINAL (E) 2 in taillight circuit and from
TERMINAL (E) 5 to TERMINAL (E) 1 in headlight circuit. As a result, all lights are turned off automatically.
SERVICE HINTS
C27 (E), C29 (B) COMBINATION METER
(E) 1-GROUND : Continuity with the light control SW at HEAD position
(E) 2-GROUND : Continuity with the light control SW at TAIL or HEAD position
(E) 9-GROUND : Continuity with the front LH door open
(B)12-GROUND : Approx. 12 volts with the ignition SW at ON position
(E)17-GROUND : Always continuity
: PARTS LOCATION
Code See Page Code See Page Code See Page
C13 30 D8 30 J4 31
C27 E 30 D16 32 J5 31
C29 B 30 J3 31
: RELAY BLOCKS
Code See Page Relay Blocks (Relay Block Location)
2 22 Engine Room R/B (Engine Compartment Left)
,,, : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
,,,
,,,
Code See Page Junction Block and Wire Harness (Connector Location)
1C
24 Cowl Wire and Driver Side J/B (Lower Finish Panel)
1F
1K 24 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IG1 38 Engine Room Main Wire and Cowl Wire (Left Kick Panel)
: GROUND POINTS
Code See Page Ground Points Location
IE 38 Cowl Side Panel LH
2002 4RUNNER (EWD471U)
107
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