Automatic a/c circuit for Lexus SC I (1991-2001)
Automatic a/c circuit (1 of 2)
+B MH MC MFRS MREC IG+ TR MFACE MDEF
A/C CONTROL ASSEMBLY
A/C SOLAR SENSOR (AT UPPER RIGHT SIDE OF DASH)
AIR INLET CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH)
AIR MIX CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH)
AIR VENT MODE CONTROL SERVO MOTOR (BEHIND CENTER OF DASH)
AMOUT REOST WV MGC TC TAIL
BLK WIRE
BLK/RED WIRE
BLK/YEL WIRE
BLU WIRE
BLU/BLK WIRE
BLU/ORG WIRE
BLU/RED WIRE
BLU/WHT WIRE
BLU/YEL WIRE
BLW HR RDFGR CFAN
BRN WIRE
BRN/WHT WIRE
DEF FACE
DEFOGGER SYSTEM
FR RECIRC
GRN WIRE
GRN/ORG WIRE
GRN/RED WIRE
GRN/WHT WIRE
GRN/YEL WIRE
GRY WIRE
GRY/BLU WIRE
HOT COOL
IGN A/C IN
IGNITER (ON LEFT SIDE OF LEFT STRUT TOWER)
INSTRUMENT CLUSTER SYSTEM
INTERIOR LIGHTS SYSTEM (RHEOSTAT)
J/B 1 (BEHIND LEFT KICK PANEL)
J/B 3 (BEHIND CENTER OF DASH)
LOCK IN SAUT LP
LT GRN WIRE
LT GRN/RED WIRE
LT SC 300 ONLY
ORG/ WIRE
PNK 22 23 24 25 WIRE
RED WIRE
RED/BLU WIRE
RED/YEL WIRE
SC 400 ONLY
SG TEL IN TP TPI SPD TPM
TACH
TEL
TR TAM TE TW TS PNK WIRE
VER
VIO WIRE
VIO/WHT WIRE
WHT WIRE
WHT/BLK WIRE
WHT/GRN WIRE
YEL WIRE
YEL/BLK WIRE
YEL/GRN WIRE
YEL/RED WIRE
Automatic a/c circuit (2 of 2)
1 2 3 4 5 6 7 8 9 10 IGB SOL+ SOL-
A/C ACMG IDL
A/C CONTROL SWITCH, RADIO SWITCH
A/C EVAPORATOR TEMP. SENSOR (BEHIND RIGHT SIDE OF DASH)
A/C MAGNETIC CLUTCH (ON A/C COMPRESSOR)
A/C ROOM TEMPERATURE SENSOR (BEHIND CENTER OF DASH)
AUTO
BLK WIRE
BLK/RED WIRE
BLK/YEL WIRE
BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH)
BLOWER MOTOR CONTROL RELAY (BEHIND RIGHT SIDE OF DASH)
BLU WIRE
BLU/RED WIRE
BLU/WHT WIRE
BLU/YEL WIRE
BRN WIRE
CIG FUSE
COOLING FAN ECU (SC 400) (BEHIND RIGHT SIDE OF DASH)
DATA LINK CONNECTOR 1 (DLC) (PARTIAL) (AT LEFT REAR SIDE OF ENGINE)
DEF RELAY
ENGINE CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH)
GND B+ SI
GRN WIRE
GRN/ORG WIRE
GRN/YEL WIRE
HOT AT ALL TIMES
HOT IN ACC OR ON
HOT IN ON OR START
HOT IN ON OR START ECU-IG FUSE
HOT W/LIGHT SWITCH IN TAIL OR HEAD
HTR FUSE
HTR RELAY
IDL TAC COOL HP TH+ TH-
INSTRUMENT CLUSTER SYSTEM
J/B 1 (BEHIND LEFT KICK PANEL)
J/B 3 (BEHIND CENTER OF DASH)
LT GRN WIRE
LT GRN/RED WIRE
MG CLT RELAY
ORG/ WIRE
PANEL FUSE
PNK 22 23 24 25 WIRE
PNK WIRE
R/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT, BEHIND BATTERY)
R/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT, BEHIND BATTERY) DOME FUSE
RADIO TEMP CONTROL SWITCH
RED WIRE
RED/BLK WIRE
RED/BLU WIRE
RED/WHT WIRE
SC 300
SC 400
SOLENOID VALVE (COOLING FAN) (SC 400) (AT LEFT FRONT OF ENGINE)
VIO WIRE
VIO/WHT WIRE
VSV (WATER VALVE) (ON RIGHT SIDE OF FIREWALL)
WHT WIRE
WHT/BLK WIRE
WHT/GRN WIRE
YEL WIRE
YEL/BLK WIRE