Headlight, Dimmer & Passing Switches

With headlight switch in specified position, check continuity between specified terminals of headlight switch connectors. See HEADLIGHT SWITCH CONTINUITY TEST and DIMMER & PASSING SWITCHES CONTINUITY TEST tables. See Fig 1. If continuity is not as specified, replace headlight switch.

HEADLIGHT SWITCH CONTINUITY TEST

Application & Switch Position

⁽¹⁾ Terminals No.

Continuity

All Models

OFF

None

TAIL

14 & 16

Yes

HEAD

13, 14 & 16

Yes

With AUTO ⁽²⁾

12 & 16

Yes

⁽¹⁾	See Fig 1.

⁽²⁾	Land Cruiser and Sienna only.

DIMMER & PASSING SWITCHES CONTINUITY TEST

Application & Switch Position

⁽¹⁾ Terminals No.

Continuity

All Models

High Beam

7 & 16

Yes

Low Beam

16 & 17

Yes

Passing

⁽²⁾ 7, 8 & 16

Yes

⁽¹⁾	See Fig 1.

⁽²⁾	Only terminals No. 7 and 16 on Tundra.

Fig 1: Identifying Combination Switch Connector Terminals