Pattern Select Switch

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Lexus SC 430, 2002 Lexus LS 430, 2002 Lexus IS 300, 2002 Lexus GS 430, and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For circuit reference, see WIRING DIAGRAMS and/or CONNECTOR IDENTIFICATION .

Disconnect pattern select switch connector. Using ohmmeter, check continuity between specified terminals. See PATTERN SELECT SWITCH CONTINUITY table. Replace switch as necessary.

PATTERN SELECT SWITCH CONTINUITY

Switch Position

Terminals No.

Continuity

GS 300 & GS 430 ⁽¹⁾

PWR

3 & 7

Yes

NORM

1 & 3; 3 & 7

SNOW

1 & 3

Yes

IS 300 ⁽²⁾

PWR

1 & 6

Yes

NORM

1 & 3; 1 & 6

SNOW

1 & 3

Yes

LS 430 ⁽³⁾

PWR

1 & 6

Yes

NORM

1 & 3 & 1 & 6

SNOW

1 & 3

Yes

SC 430 ⁽³⁾

PWR

1 & 6

Yes

NORM

1 & 3; 1 & 6

SNOW

1 & 3

Yes

⁽¹⁾	See Figure.

⁽²⁾	See Figure.

⁽³⁾	See Figure.

Fig 1: Testing Pattern Select Switch Connector Terminals (GS 300 & GS 430)