Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Lexus GS I

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS Motor RelayOn engine compartment relay block No. 2.
ABS Solenoid RelayOn engine compartment relay block No. 2.
A/C Magnetic Clutch RelayOn engine compartment relay block No. 2.
Blower Motor Control RelayBehind right side of dash. (Схема №3)
Cellular Phone Speaker RelayOn transceiver unit bracket, in luggage compartment.
Daytime Running Lamps (DRL) Relay (Main)Behind left side of dash, near relay block No. 6. (Схема №3)
Daytime Running Lamps (DRL) Relays Nos. 2 & 3On engine compartment relay block No. 2.
Daytime Running Lamps (DRL) Relay No. 4Below left of dash, on relay block No. 6.
Defogger RelayBehind left side of dash, on junction block No. 1.
EFI Main RelayOn engine compartment relay block No. 2. (Схема №1)
Fog Lamp RelayBelow left of dash, on relay block No. 6.
Headlamp Cleaner Relay (Canada)On headlamp cleaner motor, behind left headlamp.
Headlamp RelayOn engine compartment relay block No. 2.
Heater Main RelayOn engine compartment relay block No. 2.
Horn RelayOn engine compartment relay block No. 2.
Ignition RelayOn engine compartment relay block No. 2.
Integration RelayOn passenger compartment block No. 1. (Схема №3)
Moon Roof Control RelayUnder headliner, left of moon roof control switch.
Power Main RelayBelow left of dash, on relay block No. 6.
Radiator Fan Main RelayOn engine compartment relay block No. 2.
Radiator Fan RelayOn engine compartment relay block No. 2.
Starter RelayOn engine compartment relay block No. 2.
Taillamp RelayBehind left side of dash, on junction block No. 1.
TRAC Motor RelayOn engine compartment relay block No. 2.
Traction Solenoid RelayRight rear of engine compartment.
Turn Signal FlasherBelow left of dash, on relay block No. 6.
Wiper RelayBehind left side of dash, near steering column. (Схема №3)

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Junction Block No. 1 (View 1)Below left of dash. (Схема №3)
Junction Block No. 1 (View 2)Below left of dash. (Схема №4)
Junction Block No. 3Behind left side & center of dash. (Схема №3)
Relay Block No. 2Left front corner of engine compartment. (Схема №4)
Relay Block No. 6Under left side of dash. (Схема №3)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
ABS ECUBehind right side of dash, integral of TRAC ECU. (Схема №3)
A/C System ECUBehind center of console, integral of A/C control assembly.
Cruise Control ECUUnder center console. (Схема №3)
Door Lock ECUBehind left side of dash, integral of theft deterrent ECU.
Engine Control Module (ECM) (View 1)Behind right side of dash. (Схема №1)
Engine Control Module (ECM) (View 2)Behind right side of dash. (Схема №3)
Fuel Pump ECUOn left side of luggage compartment, behind trim panel. (Схема №1)
Power Steering ECUBehind left side of dash, near steering column.
Shift Lock ECUUnder center console, behind gear selector. (Схема №3)
Theft Deterrent ECUBehind left side of dash, above junction block No. 1. (Схема №3)
Tilt & Power Telescopic ECUBehind left side of dash, above steering column.
Traction ECUBehind right side of dash. (Схема №3)
Wireless Door Lock ECUOn right side of luggage compartment.

CONTROL UNITS

MOTORS

ComponentComponent Location
Air Inlet Damper Control ServomotorBehind right side of dash, near blower motor. (Схема №5)
Air Mix Damper Control ServomotorBehind center of console, under heater box. (Схема №5)
Air Outlet Damper Control ServomotorBehind center console, on heater box. (Схема №5)
Auto Antenna Motor & RelayOn left side of luggage compartment.
Blower MotorBehind right side of dash. (Схема №5)
Headlamp Cleaner MotorBehind left headlamp.
Max. Cool Damper Control ServomotorBehind center console, under heater box. (Схема №5)
Power Tilt/Telescopic Steering Column Telescopic Lock Control MotorOn lower steering column, behind left side of dash.
Power Tilt/Telescopic Steering Column Telescopic Control MotorOn lower steering column, behind left side of dash.
Power Tilt/Telescopic Steering Column Tilt MotorOn mid-section of steering column.
TRAC System Pump MotorOn left rear corner of engine compartment, near brake booster.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS/TRAC Wheel Sensors (4)On each front & rear wheel hub.
Air Bag Sensors (Front) (2)On left & right front of inner fender, above wheelwell.
Ambient Temperature SensorOn left front of vehicle, behind grille.
Brake Pad Wear SensorOn disc brake pad.
Center Air Bag Sensor AssemblyBehind center console. (Схема №3)
Crankshaft Position Sensor (1996)On front of crankshaft, next to oil pump.
EGR Gas Temperature SensorOn base of EGR valve. (Схема №1)
Engine Coolant Temperature Sensor (View 1)On coolant outlet, left front of engine. (Схема №1)
Engine Coolant Temperature Sensor (View 2)On coolant outlet, left front of engine. (Схема №2)
Engine Coolant Temperature SensorBehind right side of dash, in heater unit. (Схема №5)
Evaporator Temperature SensorBehind right side of dash, in evaporator case. (Схема №5)
Heated Oxygen Sensor (Main) (Front)In front side of exhaust manifold. (Схема №1)
Heated Oxygen Sensor (Main) (Rear)In rear side of exhaust manifold. (Схема №1)
Knock Sensors (2)On left side of engine block. (Схема №1)
Lamp Failure SensorOn right rear quarter panel. (Схема №4)
Power Tilt/Telescopic Steering Column Telescopic Position SensorOn steering column, above telescopic motor.
Power Tilt/Telescopic Steering Column Tilt Position SensorOn steering column, under cover behind steering wheel.
Room Temperature SensorOn left side of console, right of steering column. (Схема №5)
Solar SensorOn top right of dash, near defogger vents. (Схема №5)
Sub-Heated Oxygen SensorIn exhaust manifold, after TWC. (Схема №1)
Sub-Throttle Position (TP) SensorOn throttle body assembly. (Схема №1)
Throttle Position (TP) SensorOn throttle body assembly. (Схема №1)
Vehicle Speed Sensor No. 1 (View 1)On transmission output shaft housing (Схема №1)
Vehicle Speed Sensor No. 1 (View 2)On transmission output shaft housing (Схема №2)
Vehicle Speed Sensor No. 2On speedometer assembly.
Volume Air Flow MeterIn fresh air intake hose, near air cleaner housing. (Схема №1)
Water Temperature SenderOn coolant outlet, left front of engine.

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
A/T Solenoids (4)In transmission valve body assembly.
Fuel Lid Opener SolenoidOn left side of luggage compartment.
IAC ValveOn throttle body assembly. (Схема №1)
Key Interlock SolenoidIn ignition switch assembly.
Seat Belt Tension Reducer SolenoidIn seat belt retractor assembly.
Shift Lock SolenoidUnder center console, on base of gear selector.

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
A/C Triple Pressure SwitchIn refrigerant line, near receiver/drier.
Brake Fluid Level Warning SwitchIn master cylinder. (Схема №4)
Buckle SwitchOn base of driver's seat belt buckle.
EGR Vacuum Switching Valve (VSV)On top left of engine.
Engine Oil Level Warning SwitchOn left bottom of oil pan. (Схема №2)
EVAP Vacuum Switching Valve (VSV)On left rear of engine.
Fuel Pressure Up Vacuum Switching Valve (VSV)On top left of engine.
Intake Control Vacuum Switching Valve (VSV)On left side of engine.
Low Oil Pressure Warning SwitchOn left front side of engine block. (Схема №2)
Parking Brake SwitchOn bracket, above parking brake pedal. (Схема №4)
Park/Neutral Position Switch (View 1)On base of shifter assembly. (Схема №1)
Park/Neutral Position Switch (View 2)On base of shifter assembly. (Схема №2)
Power Steering Pressure SwitchOn power steering pressure hose, on left side of engine. (Схема №1)
Unlock Warning SwitchOn top of steering column.
Water Temperature SwitchOn bottom left corner of radiator.
Window Washer Level Warning SwitchIn washer fluid reservoir, behind left headlamp. (Схема №4)

SWITCHES

MISCELLANEOUS

ComponentComponent Location
A/C AmplifierBehind right side of dash, on evaporator case. (Схема №5)
Data Link Connector (DLC) No. 1On bracket, on top front of engine. (Схема №1)
Data Link Connector (DLC) No. 2Under left side of dash. (Схема №1)
Data Link Connector (DLC) No. 3 (1996 only)Under left side of dash, near DLC No. 2.
IgniterIn right side of engine compartment. (Схема №1)

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
BQ1 (Blue, 15 Pin)At left "B" pillar.
BR1 (15 Pin)At right "B" pillar.
BS1 (Blue, 11 Pin)Under left side of rear seat.
BS2 (Orange, 12 Pin)Under left side of rear seat.
BS3 (7 Pin)Under left side of rear seat.
BT1 (Gray, 8 Pin)Under left front seat.
BU1 (Green, 8 Pin)Under right front seat.
EA1 (16 Pin)Inside engine compartment R/B No. 2.
EA2 (Blue, 6 Pin)Inside engine compartment R/B No. 2.
EB1 (Orange, 11 Pin)Inside engine compartment R/B No. 2.
EB2 (24 Pin)Inside engine compartment R/B No. 2.
EC1 (Gray, 16 Pin)Inside engine compartment R/B No. 2.
ED1 (Black, 12 Pin)Near engine compartment R/B No. 2.
IC2 (Gray, 42 Pin)Behind right side of dash, below glove box.
IE1 (20 Pin)At left kick panel.
IE2 (Blue, 8 Pin)At left kick panel.
IF1 (Orange, 12 Pin)At left kick panel.
IF2 (Gray, 7 Pin)At left kick panel.
IG1 (9 Pin)At left kick panel.
IG2 (Blue, 11 Pin)At left kick panel.
IH1 (Blue, 22 Pin)Behind upper center of dash.
II1 (10 Pin)At right front of center console.
IJ1 (22 Pin)At left front of center console.
IJ2 (23 Pin)At left front of center console.
IK1 (Gray, 28 Pin)Under passenger side air bag.
IK2 (Gray, 27 Pin)Under passenger side air bag.
IL1 (Orange, 7 Pin)Behind passenger side air bag.
IM1 (19 Pin)At right kick panel.
IM2 (Blue, 11 Pin)At right kick panel.
IM3 (Orange, 12 Pin)At right kick panel.
IN1 (Gray, 7 Pin)At right kick panel.
IO1 (20 Pin)At right kick panel.
IP1 (3 Pin)Behind passenger side air bag.

CONNECTORS

GROUNDS

ComponentComponent Location
BJAt front side of roof center. (Схема №4)
BKUnder left front seat. (Схема №4)
BLUnder right front seat. (Схема №4)
BMAt left side of luggage compartment. (Схема №4)
BNAt right side of luggage compartment. (Схема №4)
BOAt left "C" pillar. (Схема №4)
EAAt middle of right inner fender panel.
EBAt middle of left inner fender panel.
ECAt front of intake manifold.
EDAt rear of intake manifold.
IEBehind left side of dash. (Схема №3)
IFBehind instrument cluster. (Схема №3)
IGBehind passenger side air bag. (Схема №3)
IHAt right kick panel. (Схема №3)
IIAt left dash brace. (Схема №3)

GROUNDS