Toyota 4Runner: Taillight Relay Circuit

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Park Assist / Monitoring / Intuitive Parking Assist System / Taillight Relay Circuit

DESCRIPTION

This is the power source circuit of the clearance warning ECU assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK TAILLIGHT

(a) Turn the light control switch to the TAIL position.

(b) Check that the taillight turns on.

OK:

Taillight turns on.

GO TO LIGHTING SYSTEM

2.	CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BATTERY)

(a) Disconnect the F95 clearance warning ECU assembly connector.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
F95-24 (TL) - Body ground	Ignition switch ON, light control switch TAIL	11 to 14 V
F95-24 (TL) - Body ground	Ignition switch ON, light control switch not TAIL	Below 1 V

Text in Illustration

*a	Front view of wire harness connector (to Clearance Warning ECU Assembly)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

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