LEXUS LS430 2003 Factory Repair Manual

Fig. 9: Checking Wire Harness (Defog Relay - Battery)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: Go to next step
4.INSPECT RELAY (Marking: DEFOG)
a. Remove the DEFOG relay from the engine room R/B No. 2.
b. Measure the resistance of the relay.
Standard:
RELAY (Marking: DEFOG) - RESISTANCE TABLE
Tester ConnectionSpecified Condition
3-4Below 1 ohms
3-510 kohms or higher
3-5Below 1 ohms (when battery voltage is applied
to terminals 1 and 2)

Fig. 10: Inspecting Relay
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPLACE RELAY
OK: Go to next step
5.CHECK WIRE HARNESS (REAR WINDOW DEFOGGER - DEFOG RELAY AND BODY
GROUND)
a. Disconnect the R22 and R23 defogger connectors.
b. Disconnect the DEFOG relay from the engine room R/B No. 2.
c. Measure the resistance of the wire harness side connectors.
Standard:
REAR WINDOW DEFOGGER - DEFOG RELAY AND BODY GROUND - RESISTANCE
TABLE
Tester ConnectionSpecified Condition
R22-1 - R/B DEFOG relay terminal 3Below 1 ohms
R23-1 - Body groundBelow 1 ohms

Fig. 11: Checking Wire Harness (Rear Window Defogger - Defog Relay And Body Ground)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step
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

Fig. 12: Checking Wire Harness (Defog Relay -A/C Control Assy)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: Go to next step
7.INSPECT REAR WINDOW DEFOGGER (WIRE) (See step 3 in INSPECTION
)
NG: REPLACE REAR WINDOW DEFOGGER
OK: REPLACE AIR CONDITIONER CONTROL ASSY

CHRYSLER GROUP LLC
CHRYSLER GROUP LLC - DOMESTIC CARS
ApplicationConnector Location
Acclaim
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
Aries, Caravelle, Dynasty, E Class, Executive Sedan, LeBaron Sedan, New Yorker, Reliant, Town &
Country, 400 & 600
1984-85On Left Fender Apron, Behind Battery (2.2L
Only)
1986-87On Front Of Right Shock Tower (2.2L & 2.5L
Only)
1988-89On Left Fenderwell
1990Under Left Side Of Dash
1991-92On Left Front Fender Panel, Near Shock
Tower
1993 (Except New Yorker)Near Battery
1993 (New Yorker)On Left Fender Panel Near PCM
Avenger (1995-00)Under Center Of Dash, Near Center Console
Breeze, Cirrus & Stratus (1995)Left Of Steering Column, On BCM
Charger, Horizon, Omni, Rampage, Scamp & Turismo
1985-89
2.2L CarburetedOn Left Fender Apron
2.2L TurboOn Front Of Right Shock Tower
Concorde, Intrepid, LHS, New Yorker, Vision & 300M
1993-95Behind Left Side Of Dash
1996-97Under Left Side Of Dash, Near Center
Console
Daytona

1984-87On Front Of Right Shock Tower
1988-89On Left Fenderwell
1990-92On Left Front Fender Panel, Near Shock
Tower
1993On Left Front Inner Fender Or Under Steering
Column
Dynasty
1990Under Left Side Of Dash
1991-93On Left Fender Panel, Near SBEC/PCM
Fifth Avenue
1990Under Left Side Of Dash
1991-93On Left Fender Panel Near SBEC/PCM
Horizon & Omni (1989-90)Under Left Side Of Dash
Imperial
1981-83CCC Connector Left Of Air Cleaner
1990Under Left Side Of Dash
1991-93On Left Fender Panel Near SBEC/PCM
LeBaron Coupe & Convertible
1985-87On Right Front Shock Tower
1988-89On Left Fenderwell
1990-92On Left Front Fender Panel, Near Shock
Tower
1993On Left Front Inner Fender Or Under Steering
Column
1994Near Battery
1995Behind Left Side Of Dash, Near Fuse Block
Lancer
1985-87On Right Front Shock Tower
1988-89On Left Fenderwell
Laser
1990-94Above Left Kick Panel, Near Fuse Block
1995Under Left Side Of Dash, Near Center
Console
Monaco & Premier
1990On Right Front Fender Panel
1991-92On Left Fender Panel, Next To SBEC
Neon (1995)
Under Headlight Switch, Under Left Side Of
Dash
Shadow
1985-87On Right Front Shock Tower
1988On Left Fenderwell
1989Under Dash, To Right Of Steering Column

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