
TRAILER TOWING
FROM POWER SOURCE SYSTEM (SEE PAGE 48)
1 1
10A 15A 10A 10A 25A
TURN HORN, HAZ TAIL STOP TOWING
2 2
Y- R
5 1J 5 1F 2 2 1F 2
G- Y
L- W
R- B
G
J2 B
C13
H7 TURN SIGNAL
CONNECTOR
7 6 HAZARD SW SW[COMB. SW] 2 B A 2
JUNCTION
J1 A ,
OFF LH S4
STOP
LIGHT SW
ON RH
C B
B
5 4 1 2 1 3 1
G
G- W
G- R
Y- R
G- Y 4 1E 15 3C
G- Y
Y- G
Y- G
6 1J 5 1C
2
Y- R 1 IG3
1J
7 1B 16 3C
2 1
G- W
G
6 1D 10 1D 7 1D 11 1D
FLASH
B
RELAY
22 IE2 10 IE2
3
G- W
8 1J 12 1H 9 1D
6 IE3
G- Y
B
Y- G
J14
JUNCTION
G
CONNECTOR
4 IE1 7 IE1 B
W- B
G- W
Y- G
G- Y
B
4 10 3 9 8
TL TR TAIL +B
GND TLST TRST TLLP
21 3E T9 5 2 6 1
TRAILER
CONVERTER
W- B
R
L
L
16 3E W- B
W- B
3 1 2 4
GND TLST TRST TLLP
A
J9
JUNCTION T10
CONNECTOR TRAILER
SOCKET
IF BH
2002 4RUNNER (EWD471U)
108
SERVICE HINTS
T9 TRAILER CONVERTER
8-GROUND : Always approx. 12 volts
5-GROUND : Always continuity
: PARTS LOCATION
Code See Page Code See Page Code See Page
C13 30 J2 B 29 S4 31
H7 31 J9 31 T9 33
J1 A 29 J14 32 T10 33
: 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)
1B
1C 24 Cowl Wire and Driver Side J/B (Lower Finish Panel)
( )
1D
1E 24 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
1F
1H 24 Cowl Wire and Driver Side J/B (Lower Finish Panel)
( )
1J
3C
26 Cowl Wire and Center J/B (Near the Steering Column Tube)
3E
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
IE1
IE2 38 Cowl Wire and Floor No.2 Wire (Left Kick Panel)
( )
IE3
IG3 38 Engine Room Main Wire and Cowl Wire (Left Kick Panel)
: GROUND POINTS
Code See Page Ground Points Location
IF 38 Cowl Side Panel RH
BH 42 Left Quarter Panel Inner
2002 4RUNNER (EWD471U)
109