Page 1097 of 1807
2
A 3 A 2
A 4A1
IEBI 2 3 BATTERY
LIGHT CONTROL SW
[COMB. SW]
DOOR COURTESY
SW LH 7. 5A
DOME10A
GAU GE
13 2
117 2
I20 A
INTEGRATION RELAY
C13
D10
W- B R- B R- BW- BB
R
GG- W R
W- LR- Y
W- B
R- Y
FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
21
IB2 13
2
A POWER
R- Y
R
IC2 15
1B 2
1K 11TA IL LI GHT
RELAY 51
32
22
50A MAIN
120A ALTHEADLIGHT
RELAY
31
2 2
112 41
60
2A 12
2
W
OFF
TAIL
HEAD
1J1
1K5
1I 166
1B 5
1
108
LIGHT AUTO TURN OFF
Page 1098 of 1807

109
WITH THE IGNITION SW TURNED ON, THE CURRENT FLOWS TO TERMINAL 7 OF THE INTEGRATION RELAY
THROUGH GAUGE FUSE. VOLTAGE IS APPLIED AT ALL TIMES TO TERMINAL (A) 2 OF THE INTEGRATION RELAY
THROUGH THE TAILLIGHT RELAY COIL SIDE, AND TO TERMINAL (A) 3 THROUGH THE HEADLIGHT RELAY COIL
SIDE.
1. NORMAL LIGHTING OPERATION
WITH THE LIGHT CONTROL SW TURNED TO TAIL POSITION, A SIGNAL IS INPUT INTO TERMINAL (A) 1 OF THE
INTEGRATION RELAY. DUE TO THIS SIGNAL, THE CURRENT FLOWING TO TERMINAL (A) 2 OF THE RELAY FLOWS TO
TERMINAL (A) 1 " TERMINAL 2 OF THE LIGHT CONTROL SW " TERMINAL 11 " TO GROUND, AND TAILLIGHT
RELAY CAUSES TAILLIGHTS TO TURN ON.
WITH THE LIGHT CONTROL SW TURNED TO HEAD POSITION, A SIGNAL IS INPUT INTO TERMINALS (A) 1 AND (A) 4
OF THE INTEGRATION RELAY. DUE TO THIS SIGNAL, THE CURRENT FLOWING TO TERMINAL (A) 3 OF THE RELAY
FLOWS TO TERMINAL (A) 4 " TERMINAL 13 OF THE LIGHT CONTROL SW " TERMINAL 11 " TO GROUND IN THE
HEADLIGHT CIRCUIT, AND CAUSES TAILLIGHT AND HEADLIGHT RELAY TO TURN THE LIGHTS ON. THE TAILLIGHT
CIRCUIT IS SAME AS ABOVE.
2. LIGHT AUTO TURN OFF OPERATION
WITH LIGHT ON AND IGNITION SW TURNED OFF (INPUT SIGNAL GOES TO TERMINAL 7 OF THE RELAY), WHEN THE
DRIVER'S DOOR IS OPENED (INPUT SIGNAL GOES TO TERMINAL 6 OF THE RELAY), THE RELAY OPERATES AND
THE CURRENT IS CUT OFF WHICH FLOWS FROM TERMINAL (A) 2 OF THE RELAY TO TERMINAL (A) 1 IN TAILLIGHT
CIRCUIT AND FROM TERMINAL (A) 3 TO TERMINAL (A) 4 IN HEADLIGHT CIRCUIT.
AS A RESULT, ALL LIGHTS ARE TURNED OFF AUTOMATICALLY.
HEADLIGHT RELAY
2-1 : CLOSED WITH THE LIGHT CONTROL SW AT HEAD POSITION OR THE DIMMER SW AT FLASH POSITION (USA)
: CLOSED WITH THE ENGINE RUNNING AND THE PARKING BRAKE LEVER RELEASED (CANADA)
TAILLIGHT RELAY
3-5 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
D10 DOOR COURTESY SW LH
3-2 : CLOSED WITH THE LH DOOR OPEN
I20 (A) INTEGRATION RELAY
7-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
6-GROUND : CONTINUITY WITH THE LH DOOR OPEN
1-GROUND : ALWAYS APPROX. 12 VOLTS
(A)2-GROUND : ALWAYS APPROX. 12 VOLTS
(A)3-GROUND : ALWAYS APPROX. 12 VOLTS
(A)4-GROUND : CONTINUITY WITH THE LIGHT CONTROL SW AT HEAD POSITION
(A)1-GROUND : CONTINUITY WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C1328D1030I20A29
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
SYSTEM OUTLINE
SERVICE HINTS
Page 1099 of 1807
11 0
LIGHT AUTO TURN OFF
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I
1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
()
2A22BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
BI40LEFT QUARTER PILLAR
2X
111323 D10 C13BLACKA I2 0
1234
Page 1100 of 1807
111
TURN SIGNAL AND HAZARD WARNING LIGHT
Page 1101 of 1807
15A
HA Z- HORN
5 6
5 1 2
2 1 I 3
I 3
I 2
B 4
IE EB BI EA BJ IHA A 2
4 44IF1 12IF1 17
B 6 A
B 7 IF1 4IB1 3
W W W
G- R W- R
R- B
G- B
G- Y R- B
G- B G- B W- BG- B W- B W- B
W- B
W- B W- B
W- B W- BR- B
G- B
G- Y
G- Y
G- Y
G- B
R- B
G- Y
G- B
G- Y
G- B
W- B G- Y
G- YW- B
W- B R- B W- RW- B
9 756 158
3 21FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
810 2
15 HAZARD SW H10C13
TURN SIGNAL
FLASHER
FRONT TURN SIGNAL
LIGHT LH F 7
FRONT TURN SIGNAL
LIGHT RH F 8 REAR TURN S IGNAL
LIGHT LH
[REAR COMB. LIGHT LH] R 9
REAR TURN S IGNAL
LIGHT RH
[REAR COMB. LIGHT RH] R10TURN SIGNAL
INDICATOR LIGHT
[COMB. METER]
JUNCTION
CONNECTOR J 1 LH TURN RH BL
E
E 2 : 2JZ- GTE
E18 : 2JZ- GEE 2 : 2JZ- GTE
E18 : 2JZ- GEA C10 , C12
B 1
1C 41H11
1A71E 191C 31H7
1A41E 14
7. 5A
TURN
1E 7
6
TURN L H
RHTB TL TR TURN SIGNAL SW [COMB. SW]HAZARD OFF
ONF TBB2TLB1TR
11 2
TURN SIGNAL AND HAZARD WARNING LIGHT
Page 1102 of 1807

11 3
TURN SIGNAL FLASHER
(4) 1-GROUND : CHANGES FROM APPROX. 12 VOLTS TO 0 VOLTS WITH THE IGNITION SW ON AND THE TURN SIGNAL
SW LEFT OR RIGHT, OR WITH THE HAZARD WARNING SW ON.
(4) 2-GROUND :12 VOLTS WITH THE IGNITION SW ON OR THE HAZARD SW ON
(4) 3-GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C10B28F 726 (2JZ-GE)J 129
C12A28F826 (2JZ-GTE)R 930
C1328F 826 (2JZ-GE)R1030
F 724 (2JZ-GTE)H1029
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
423R/B NO. 4 (LEFT KICK PANEL)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1A20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1C20FLOOR NO. 2 WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EA32 (2JZ-GTE)FRONT SIDE OF RIGHT FENDEREA34 (2JZ-GE)FRONT SIDE OF RIGHT FENDER
EB32 (2JZ-GTE)FRONT SIDE OF LEFT FENDEREB34 (2JZ-GE)FRONT SIDE OF LEFT FENDER
IE36LEFT KICK PANEL
IH36RIGHT KICK PANEL
BI40LEFT QUARTER PILLAR
BJ40LOWER BACK PANEL CENTER
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 232ENGINE ROOM WIREI 338INSTRUMENT PANEL WIRE
E1834ENGINE ROOM WIREB 440FLOOR NO. 2 WIRE
I 238COWL WIRE
SERVICE HINTS
Page 1103 of 1807
1 2
18
B 4
B 6BM1 1
BO1 6
BIBJBO1 3
BM1 2 STEM (
SEE PAGE
IE1 5
W G- W G- W G- W
Y
V V R- W R- W
R- W W- B
W- B
W- B W-B G-W G-W G-W
R- W G- W
W- B
W- BY
55 2111 4 8 7
2
33
W- B STOP LIGHT SW S11
REAR LIGHT WARNING LIGHT
[TELLTALE LIGHT RH] T 6
LIGHT FAILURE SENSOR L 2
STOP LIGHT LH
[RE AR COMB.
LIGHT LH] R 9
STOP LIGHT RH
[REAR COMB
LIGHT RH] R10HIGH MOUNTED
STOP LIGHT H14
B 4 B 6W- B
W- BY W- B
B10
BK W- B
W- BW- B
10A
GAUGE
1C 2 56)
1E 1215A
STOP
1I 10FROM POWER SOURCE SY
1C 101H 1
+
-
HOLD
CIRCUI T
1
11 4
STOP LIGHT
Page 1104 of 1807

11 5
CURRENT IS APPLIED AT ALL TIMES THROUGH THE STOP FUSE TO TERMINAL 2 OF THE STOP LIGHT SW.
WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS FROM THE GAUGE FUSE TO TERMINAL 8 OF THE LIGHT FAILURE
SENSOR, AND ALSO FLOWS THROUGH THE REAR LIGHT WARNING LIGHT TO TERMINAL 4 OF THE LIGHT FAILURE SENSOR.
STOP LIGHT DISCONNECTION WARNING
WHEN THE IGNITION SW IS TURNED ON AND THE BRAKE PEDAL IS PRESSED (STOP LIGHT SW ON), IF THE
STOP LIGHT CIRCUIT IS OPEN, THE CURRENT FLOWING FROM TERMINAL 7 OF THE LIGHT FAILURE SENSOR
TO TERMINAL 2 CHANGES, SO THE LIGHT FAILURE SENSOR DETECTS THE DISCONNECTION AND THE
WARNING CIRCUIT OF THE LIGHT FAILURE SENSOR IS ACTIVATED.
AS A RESULT, THE CURRENT FLOWS FROM TERMINAL 4 OF THE LIGHT FAILURE SENSOR " TERMINAL 11 "
GROUND AND TURNS THE REAR LIGHT WARNING LIGHT ON. BY PRESSING THE BRAKE PEDAL, THE CURRENT
FLOWING TO TERMINAL 8 OF THE LIGHT FAILURE SENSOR KEEPS THE WARNING CIRCUIT ON HOLDING AND
THE WARNING LIGHT ON UNTIL THE IGNITION SW IS TURNED OFF.
S11 STOP LIGHT SW
2-1 :CLOSED WITH THE BRAKE PEDAL DEPRESSED
L 2 LIGHT FAILURE SENSOR
2, 7 GROUND : APPROX. 12 VOLTS WITH THE STOP LIGHT SW ON
4, 8 GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
11 GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
H1430R 930S1129
L 230R1030T 629
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1C20FLOOR NO. 2 WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1I20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IE136INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL)
BM140BACK DOOR NO. 1 WIRE AND FLOOR NO. 2 WIRE (LEFT SIDE OF PACKAGE TRAY TRIM)
BO140BACK DOOR NO. 2 WIRE AND BACK DOOR NO. 1 WIRE (BACK DOOR UPPER LEFT)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
BI40LEFT QUARTER PILLAR
BJ40LOWER BACK PANEL CENTER
BK40RIGHT SIDE OF HIGH MOUNTED STOP LIGHT
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
B 440FLOOR NO 2 WIREB1040BACK DOOR NO. 2 WIRE
B 640FLOOR NO. 2 WIRE
1 2X 4 2 X
X7 8 X11X
X
3
5X
3
512
1
XX X H1 4 L 2 R 9 R1 0 S 1 1
T 6BLUE
18
SYSTEM OUTLINE
SERVICE HINTS