Transmission Control Switch

Disconnect transmission control switch connector. Using ohmmeter, check continuity between specified terminals. See TRANSMISSION CONTROL SWITCH CONTINUITY table. Replace switch as necessary.

TRANSMISSION CONTROL SWITCH CONTINUITY

Selector Lever Position

Terminals No.

Continuity

GS300 & GS400 ⁽¹⁾

"D"

2 & 5

"4" (6-Cyl.)

2 & 5

Yes

"M" (V8)

2 & 5

Yes

"2"

3 & 9

"L"

3 & 9

Yes

LS400 & SC400 ⁽²⁾

"D"

1 & 2

"4"

1 & 2

Yes

"2"

4 & 5

"L"

4 & 5

Yes

⁽¹⁾	See Fig 1.

⁽²⁾	See Fig 2.

Fig 1: Identifying Transmission Control Switch Terminals (GS300 & GS400)

Fig 2: Identifying Transmission Control Switch Terminals (LS400 & SC400)