Toyota Tundra Service Manual: Inspection

Toyota Tundra Service Manual / Vehicle Interior / Lighting / Headlight Leveling Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT LEVELING SWITCH

(a) Check the voltage.

(1) Connect the battery positive (+) lead to terminal 1 (B) and the negative (-) lead to terminal 5 (E).

(2) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
1 (B) - 2 (T)	0	10.4 to 11.2 V
	1	8.52 to 9.24 V
	2	6.6 to 7.32 V
	3	4.68 to 5.40 V
	4	2.76 to 3.48 V
	5	0.84 to 1.56 V

If the result is not as specified, replace the headlight leveling switch.

Text in Illustration

*a	Component without harness connected (Headlight Leveling Switch)

(b) Check the illumination.

(1) Apply battery voltage to the connector and check the illumination condition.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 3 (ILL+)

Battery negative (-) → Terminal 4 (ILL-)

Illuminates

If the result is not as specified, replace the headlight leveling switch.

Text in Illustration

*a	Component without harness connected (Headlight Leveling Switch)

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Toyota Tundra Service Manual: Inspection

Components

Installation

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