Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT AUTO HIGH BEAM SWITCH

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
If the result is not as specified, replace the auto high beam switch.
6(+B) - (E)	Auto high beam switch ON	Below 1 Ω
6(+B) - (E)	Auto high beam switch OFF	10 kΩ or higher

Text in Illustration

*a	Component without harness connected (Auto High Beam Switch)

(b) Check the illumination.

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

OK:

Battery Connection

Specified Condition

If the result is not as specified, replace the auto high beam switch.

Positive (+) → 5(ILL+)

Negative (-) → 4(ILL-)

Illuminates

Text in Illustration

*a	Component without harness connected (Auto High Beam Switch)

Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Transfer Shift Motor Limit Switch Circuit (P17AC)
DESCRIPTION This DTC is detected when a malfunction is detected in the limit switch circuit, which detects the position of the transfer shift motor. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area P17AC When the ignition switch is ON, the e ...

Toyota Tundra Owners Manual