Lexus GS300/400 (2000 year). Service manual — part 71

BE0G3–03

I01375

Garage Door Opener Switch

Engine Room No.1
Junction Block

ECU–B Fuse

Passenger Side
Junction Block

DOME Fuse

–

BODY ELECTRICAL

GARAGE DOOR OPENER SYSTEM

BE–233

2534

LOCATION

The vehicle shown in this illustration is ”GS400”.

All components of ”GS300” other than the ones used for engine are same as ”GS400”.

BE0G4–01

BE–234

–

BODY ELECTRICAL

GARAGE DOOR OPENER SYSTEM

2535

REMOVAL

1.

REMOVE FRONT PERSONAL LIGHT LENS

2.

REMOVE FRONT PERSONAL LIGHT

(a)

Remove the 3 screws.

(b)

Disconnect the 2 connectors.

3.

REMOVE GARAGE DOOR OPENER SWITCH

BE0G5–03

I04192

I04191

I04193

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BODY ELECTRICAL

GARAGE DOOR OPENER SYSTEM

BE–235

2536

INSPECTION

1.

INSPECT GARAGE DOOR OPENER SWITCH

Press the switch and check that each LED (red) lights up.
Even if only one switch is found not to light up, replace it.

2.

INSPECT GARAGE DOOR OPENER REGISTRATION
AND TRANSMITTING

HINT:
Use the home link tester made by KENT MORE for this test.
As it is necessary to record the code of the hand held transmit-
ter, customer’s code will be erased. When the inspection com-
pletes, please register the customer’s again.
(a)

Check that the code of hand held transmitter for inspec-
tion can be recorded.
(See page

If the code can not be registered, replace garage door opener.

(b)

Press the switch which an inspection code has been reg-
istered for and check that LED (green) of the home link
tester lights up.

If the LED (green) does not light up, replace the garage door
opener.

I04194

Wire Harness Side

BE–236

–

BODY ELECTRICAL

GARAGE DOOR OPENER SYSTEM

2537

3.

INSPECT GARAGE DOOR OPENER SWITCH CIRCUIT

Disconnect the connector from the switch and inspect the con-
nector on the wire harness side, as shown.

Tester connection

Condition

Specified condition

1 – Ground

Constant

Continuity

2 – Ground

Constant

Battery positive voltage

If the circuit is not as specified, inspect the power source or wire
harness.