1991 LEXUS SC400 relay

168POWER TILT AND POWER TELESCOPIC
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
219ENGINE COMPARTMENT LEFT
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B20ENGINE ROOM MAIN WIRE
1D20FRONT DOOR LH WIRE
1H
1I20COWL WIRE1J20COWL WIRE
1K
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IF136FRONT DOOR LH WIRE AND COWL WIRE (LEFT KICK PANEL)IF236FRONT DOOR LH WIRE AND COWL WIRE (LEFT KICK PANEL)
IJ136ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
IK136ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
BT140FLOOR WIRE AND COWL WIRE (LEFT KICK PANEL)
BU140FLOOR WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
Ba142FLOOR WIRE AND FRONT SEAT LH WIRE (UNDER THE FRONT LH SEAT)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IF36LEFT KICK PANEL
IH36INSTRUMENT PANEL BRACE LH
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 3B 840FLOOR MAIN WIREI 538COWL WIREB 940FLOOR MAIN WIRE
I 838COWL WIREB2742FRONT SEAT LH WIRE
I11
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[Engine Compartment]
[Instrument Panel]
18
RELAY LOCATIONS
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20
RELAY LOCATIONS

: J/B No. 1Left Kick Panel(See Page 18)
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22
RELAY LOCATIONS

: J/B No. 3Behind the Instrument Panel Center(See Page 18)
[J/B No. 3 Inner Circuit]
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24
RELAY LOCATIONS
6: R/B No. 6Engine Compartment Left(See Page 18)
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211
1E
10 1C 62
Bc1
23 Bc1 8Bc19
BV2
6BV2 5 IG2
3
IQ2
6IQ2 7
Bc2
11 Bc2 12 IF1
2
IQ2
11
IQ1
3
BV1
2
BV1
18 BV1 7 BV119
Bc1
24 Bc2 1Bc110B19
B19
I31I31
B
3B 4B8B 9 B
3
B
2B 6
B
10 B 4A8A 3A4
L±Y
L±Y
GR
W±B
GR
L±Y
P±L
L±Y
L±Y
L±Y
L±Y
L±Y GR GR
GR
W±B
GR
L±Y P±L
L±YGR
Y±R
L±W
P±G
B±R
Y±R
L±W
P±G
P±G
L±W Y±R
P
P
P
VV
R
W B
Y
Y B
V
1256 438
7
112 2
AMP B ACC E
ANTB ANTA ANT IG AUTO ANTENNA MOTOR
AND RELAY
A32 FROM POWER SOURCE SYSTEM
(
SEE PAGE 56 )
15A
ECU±IG 20A
RADIO
NO. 1
7. 5A
RA DIO
NO. 2
GR
V
V
ANTB ANTA ANT ACC B
TLMT
RADIO AND PLAYER R2
,R3
,R4
ABC
FL+ FL± FR± FR+
RR+ RR± RL+ RL± STEREO POWER AMPLIFIER
S13
,S1 4
AB
REAR SPEAKER
RH REAR SPEAKER
LH
R13
R12 FR+
FR± MUTE SP±
SP+
TELEPHONE TRANSCEIVER
AND SPEAKER RELAY
T16 ,
T17
AB
L±Y
L±Y
B±R
7 8
IG2
1IG2 2
IF2
1IF2 10
V
P
21
FRONT DOOR
SPEAKER LH
F11
V
P
B
12
B
5
B
5B 1
Bc2
3Bc2 4
A5
B5
SHORT CONNECTOR
S22
,S2 3
A
B
A
12 A 5
LGL
( W/ TEL )
(
W/ TEL )
BV1
10
BT1
5BT1 6
IP1
10 IP1 1 Bc1
20
B
4
V
L
LG
FRONT DOOR
SPEAKER RH F12
A
12 B
12SHORT CONNECTOR
S22
,S23
AB
LGL LG
L
LG
LG
L
(W/O TEL )
L
LL
( W/ TEL )
( W/ TEL )
( W/O TEL )
(
W/O TEL )
L
LG
12
( W/ TEL )
( W/O TEL )
BV2
7
L±Y
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213
R 4(A) RADIO AND PLAYER
(A) 3±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ACC OR ON POSITION
(A) 4±GROUND : ALWAYS APPROX. 12 VOLTS
S14(B) STEREO POWER AMPLIFIER
(B) 7±GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A1528L 630S14B31
A3230R 2B29S22A29
C 9D28R 3C29S23B29
C20A30R 4A29T16A31
C21B30R1231T17B31
F1130R1331W 931
F1230S13A31W1031
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
219ENGINE COMPARTMENT LEFT
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1C20INSTRUMENT PANEL WIRE
1E20FLOOR WIRE
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IF136FRONT DOOR LH WIRE AND COWL WIRE (LEFT KICK PANEL)
IF236FRONT DOOR LH WIRE AND COWL WIRE (LEFT KICK PANEL)
IG236INSTRUMENT PANEL WIRE AND COWL WIRE (R/B NO. 5)
IP138FRONT DOOR RH WIRE AND COWL WIRE (RIGHT KICK PANEL)
IQ138INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL CENTER)IQ238INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL CENTER)
BT140FLOOR WIRE AND COWL WIRE (LEFT KICK PANEL)
BV1
BV240FLOOR NO. 3 WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL CENTER)
BV3
40FLOOR NO. 3 WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL CENTER)
Bc140FLOOR NO 3 WIRE AND FLOOR WIRE (UNDER THE LEFT SIDE OF REAR SEAT CUSHION)Bc240FLOOR NO. 3 WIRE AND FLOOR WIRE (UNDER THE LEFT SIDE OF REAR SEAT CUSHION)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
II36UNDER THE ASHTRAY RH
BM40BACK PANEL CENTER
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I3038CONSOLE BOX WIREB23
I3138CONSOLE BOX WIREB2440FLOOR NO. 3 WIRE
B16B25
40FLOOR NO. 3 WIRE
B1940FLOOR NO. 3 WIREB3540FLOOR MAIN WIRE
B22B3740FLOOR NO. 3 WIRE
SERVICE HINTS
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214
RADIO AND PLAYER (w/o CD PLAYER)
II
FROM POWER SOURCE SYSTEM
(
SEE PAGE 56 )
BV2
8Bc1 10 Bc21Bc1 24 BV1 4BV15BV16BV13
Bc1
23 Bc1 8Bc19 BV1 19 BV17BV118 BV2
2BV2 1
B19
B19
B16 B1 9
I31
IC
6
BM C
9A 5A1A2
C
8A 4A10 C 1C5
C
7
Bc2
4Bc2 3
P±L P±L P±L P±L
GR
L±Y GR
L±Y
P±L
P±G
L±W Y±R BR
LGL
B±R
GR
L±Y
B±R
GR
GR
L±Y
P±L L±Y
Y±R
L±W P±G
P±G
L±W Y±R BR
LGL
LG
L
LG W±B
BR
W±B
P±LWB
R±B P±L
W B P±B
R±W
B±W GR
L±Y GR
WOOFER SPEAKER AMPLIFIER W10
W9
WOOFER
SPEAKER
RADIO A ND P LA YER ABCD
R2 ,R3
,R5
,R
6
AUTO ANTENNA MOTOR
AND RELAY A32
AB
T16 T17
TELEPHONE
TRANSCEIVER AND
SPEAKER RELAY
651210 9
7125 43
3
8
6 7
15A
ECU±IG
AMP RU± RU+ MUTE WP+ WP±ACC +B
P±L
21
4
IG ACC
MUTE
ANTB ANTA FR±
AMP
IQ2
12
BR
BR
(W/ TEL )
(
W/O TEL )L
(
W/ TEL )
E
(
W/O TEL )
AMP RU± RU+
ANT ANT ANTA ANTB E FR+
FR±
B
FR+
(
SHIELDED )
(
SHIELDED )
A
5A 12
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