2003 LEXUS LS430 engine

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6.CHECK WIRE HARNESS (DEFOG RELAY - A/C CONTROL ASSY)
a. Remove the DEFOG relay from the engine room R/B No. 2.
b. Disconnect the A11 A/C control connector.
c. Measure the resistance of the wire harness side connector.
Standard:
DEFOG RELAY - A/C CONTROL ASSY - RESISTANCE TABLE
Tester ConnectionSpecified Connection
A11-8 (RDFGR) - R/B DEFOG relay terminal 2Below 1 ohms

FORD MOTOR CO.
FORD MOTOR CO. - DOMESTIC CARS
1990On Left Fender Front Panel, Near SBEC
1991-92On Left Front Fender Panel, Near Shock
Tower
1993-94Near Battery
Spirit & Sundance
1985-87On Right Front Shock Tower
1989-90Under Left Side Of Dash
1991-92On Left Front Fender Panel, Near Shock
Tower
1993-94Near Battery
1995Behind Left Side Of Dash, Near Fuse Block
Talon
1990-94Above Left Kick Panel, Near Fuse Block
1995-98Under Left Side Of Dash, Near Center
Console
ApplicationConnector Location
Bobcat & PintoOn Center Of Right Fender Apron
Capri
1980-85On Center Of Left Front Fender Apron
1986On Left Rear Corner Of Engine Compartment
Continental
1984-89On Right Rear Corner Of Engine Compartment
1990-91On Right Rear Corner Of Firewall, On Electronic Assembly
Cover
1992On Right Fender Apron
1993-94VIP Connectors (2) On Right Rear Of Engine Compartment,
On PCM Cover
Contour & Mystique
1995On Left Rear Corner Of Engine Compartment
Cougar & Thunderbird
1982-90On Left Fender Apron
1991On Rear Of Right Front Fender Panel
1992Front Of Right Shock Tower
19932 Connectors In Right Rear Corner Of Engine Compartment

1994On Right Side Of Engine Compartment & Below Glove Box
1995
3.8LOn Right Side Of Engine Compartment & Below Glove Box
4.6LBehind Right Side Of Dash, Below Glove Box
1996Lower Right Side Of Dash, Below Glove Box
Crown Victoria, Grand Marquis & Lincoln Town Car
1983 & 1987On Right Fender Apron
1985-86 & 1988-90On Left Fender Apron
1992On Left Front Fender Panel
1993-94On Top Of Left Front Wheelwell
Escort, EXP, Lynx & Tracer
1985-90On Right Fender Apron Near Firewall
1991On Left Rear Of Engine Compartment
1992On Right Rear Of Engine Compartment, Near Cowl
1993-95On Left Side Of Firewall
LTD & Marquis
1983On Left Fender Apron
1984-86On Left Rear Corner Of Engine Compartment
Mark VII
1984-87On Right Rear Corner Of Engine Compartment
1988-90Front Of Right Fender Apron
1991On Right Side Of Engine Compartment, Near Thermactor
Solenoids
Mark VIII
1993-96On Top Of Left Wheelwell
Mustang
1980-85On Center Of Left Front Fender Apron
1986-91On Left Rear Corner Of Engine Compartment
1992On Left Shock Tower, Near Ignition Coil
19932 Connectors On Right Front Strut Tower
1994-95Behind Right Front Strut Tower & Right Of Steering Column
Probe
1991-92On Left Rear Corner Of Engine Compartment
1993DLC - Behind Left Side Of Dash; STI Connector - On Left
Inner Fender Panel
1994-95On Left Front Inner Fender Panel
Sable & Taurus
1986-87 (3.0L Only)Near Alternator
1988-90
2.5LOn Engine Harness Near PCV Hose
3.0LOn Right Rear Corner Of Engine Compartment

GENERAL MOTORS
GENERAL MOTORS - DOMESTIC CARS
1991On Right Rear Corner Of Engine Compartment, On ECA
Cover
1992On Right Rear Corner Of Engine Compartment, Below MAP
Sensor
1993-95Right Rear Of Engine Compartment
Tempo & Topaz
1984-92On Right Rear Corner Of Engine Compartment
1993-94In Engine Compartment, On Left Strut Tower
ApplicationConnector Location
AllanteEnter Diagnostic Mode By Pressing OFF & WARM Buttons
On Instrument Panel
Bonneville (1980-81)ECU Connector On Upper Right Kick Panel
Brougham (1987-92)Bottom Center Of Instrument Panel
Camaro & Firebird (1980)Diagnostic Ground Lead Connector On Right Shroud Above
ECM
Caprice Classic
1980-81ECU Connector On Upper Right Kick Panel
1982-88Under Center Of Instrument Panel
CatalinaECU Connector On Upper Right Kick Panel
Cavalier (1982-88)On Side Of Fuse Block
CimarronOn Side Of Fuse Block
CenturyUnder Left Of Dash Ashtray
Corvette (1980-83)In Center Console, Under Ashtray
Custom Cruiser
1980-81ECU Connector On Upper Right Kick Panel
1982-88Under Center Of Instrument Panel
DeVille (1981-88)Enter Diagnostic Mode By Pressing OFF & WARMER
Buttons On Instrument Panel
Delta 88ECU Connector On Upper Right Kick Panel
Eldorado (1981-88)Enter Diagnostic Mode By Pressing OFF & WARMER
Buttons On Instrument Panel
Electra (1980-81)ECU Connector On Upper Right Kick Panel
Estate WagonECU Connector On Upper Right Kick Panel
FieroUnder Ashtray Or Cigar Lighter Panel Within Center Console
FirenzaOn Side Of Fuse Block

CHRYSLER GROUP LLC - DOMESTIC LIGHT TRUCKS & VANS
FORD MOTOR CO.
FORD MOTOR CO. - DOMESTIC LIGHT TRUCKS & VANS
ApplicationConnector Location
Caravan, Grand Caravan, Grand Voyager, Mini Ram Van, Town & Country, & Voyager
1984-92On Left Side Fender Apron
1993On Left Fender Front Fender Panel, Near SBEC
1994-95On Wiring Harness, On Center Of Firewall
Dakota
1987-88On Right Side Fender Apron
1989On Left Side Of Firewall
1990-92On Right Side Of Firewall
1993-95On Right Rear Corner Of Engine Compartment
Jeep
Cherokee (1992-95)On Left Front Fender Apron, Behind Air Cleaner
ComancheOn Left Front Fender Apron, Behind Air Cleaner
Grand Cherokee & Wagoneer
1993-95
PCMOn Right Rear Of Engine Compartment,
Near PCM
TCMBehind Left Side Of Instrument Panel
Wrangler (1992-95)On Left Side Of Firewall, Near PCM
Pickup & Ramcharger
1985-90On Left Side Of Firewall
1991-93On Left Front Fender Panel, Next To
SBEC/PCM
1995 PickupOn Right Side Of Firewall
Ram Wagon & Van
1985-90On Left Side Of Firewall
1991-95On Center Of Firewall, Near SBEC/PCM
ApplicationConnector Location
Aerostar
1986-90On Left Front Fender
1991Near Starter Relay
1992On Left Front Inner Fender Panel
1993-95On Left Side Of Firewall

Bronco
1982-85
6-CylinderOn Left Front Fender
V8On Right Inner Fender Panel
1986-87On Right Front Fender, Near Starter Relay
1988-92On Left Fender Apron
1993-952 Connectors In Left Rear Of Engine
Compartment, On Bracket
1996-Below Glove Box
Bronco II
1983-85On Right Front Inner Fender Panel (2.3L
Only)
1986-90On Right Front Fender Apron
ExcursionBehind Center Of Dash
Explorer & Mountaineer (1991-94)On Right Rear Of Engine Compartment, Near
A/C-Heater Blower
Pickup
1982-85
6-CylinderOn Left Front Fender
V8On Right Inner Fender Panel
1986-87On Right Front Fender, Near Starter Relay
1988-92On Left Fender Apron
1993-952 Connectors In Left Rear Of Engine
Compartment, On Bracket
1996-Below Center Of Instrument Panel
Pickup (F250 Heavy Duty & F350)Under Right Side Of Dash
Ranger
1983-85On Right Front Inner Fender Panel (2.3L
Only)
1986-90On Right Front Fender Apron
1991Behind Engine Compartment Fuse/Relay
Block
1992On Left Front Inner Fender Panel
1993-95On Rear Of Engine Compartment Fuse/Relay
Block
Van
1986-92On Right Fender Apron
1993-95On Left Front Corner Of Engine
Compartment
1996
5.8L (49 State, Over 8600 GVW) & 7.5L (Except
Calif.)On Left Front Corner Of Engine
Compartment

GENERAL MOTORS
GENERAL MOTORS - DOMESTIC LIGHT TRUCKS & VANS
ACURA
ACURA - IMPORTED CARS & TRUCKS
All OthersUnder Left Side Of Dash
1997-98
DieselUnder Left Side Of Dash
All OthersLeft Front Corner Of Engine Compartment
Villager (1993)On Left Side Of Engine Compartment, Below
Coolant Reservoir
ApplicationConnector Location
Astro & Safari Van (1986-87)Under Left Corner Of Cowl
"S" & "T" Series Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma
1982-85
1.9LUnder Left Side Of Dash, Behind ECM
2.0L & 2.8LUnder Ashtray
2.5LUnder Left Side Of Dash
1986-87Under Ashtray
Van ("G" Series) (1982-87)Under Driver's Seat
ApplicationConnector Location
Integra
1991-93Behind Right Kick Panel
1994-97Behind Glove Compartment
1998-02Behind Right Side Of Center Console
Legend
1991-93Under Right Side Of Dash, Above PGM-FI
ECU/PCM
1994-95Behind Glove Compartment
NSX (1997-01)Under Glove Compartment

BENTLEY
BENTLEY - IMPORTED CARS & TRUCKS
BMW
BMW - IMPORTED CARS & TRUCKS
Rear Of Engine Compartment
5000CS Quattro, 5000CS Turbo & 5000SIn Fuse Socket, On Fuel Pump Relay
ApplicationConnector Location
1996-00
All ModelsIn Glove Compartment
2001-04
ArnageBelow Left Side Of Dash
2001-
Azure ConvertibleIn Glove Compartment
ContinentalIn Glove Compartment
ApplicationConnector Location
Z3Behind Cover, On Right Side Of Center
Console
Z4 & Z8Under Left Side Of Dash, Left Of Steering
Column, Behind Cover
318 & 325
1991On Bracket, Above Thermostat
Housing
1992-95On Right Rear Of Engine Compartment
1996Under Left Side Of Dash, Behind Panel
Labeled OBD
330Behind Cover, On Right Side Of Center
Console
524tOn Top Rear Of Engine
525i & 535i
1990-91 (Black 20-Pin Connector)Left Rear Corner Of Engine
Compartment