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

Park / Neutral Position Switch Circuit

DESCRIPTION This circuit sends the park/neutral position switch assembly signals to the clearance warning ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for ci ...

Back Sonar Sensor LH Circuit

DESCRIPTION The ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance between the vehicle and the obstacle, and sends t ...

Other materials about Toyota 4Runner:

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after d ...

Short to B+ in CAN Bus Line
DESCRIPTION There may be a short circuit between the CAN bus lines and +B when the resistance between terminals 6 (CANH) and 16 (BAT) or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ. Symptom Trouble Area ...