Toyota 4Runner: How To Proceed With Troubleshooting

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Park Assist / Monitoring / Intuitive Parking Assist System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedures to troubleshoot the intuitive parking assist system.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding.

3.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page
).

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

GO TO STEP 5

4.	OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See page ).

(b) Terminals of ECU (See page ).

5.	ADJUST, REPAIR OR REPLACE

6.	CONFIRMATION TEST

END

System Description

SYSTEM DESCRIPTION 1. GENERAL (a) When the ultrasonic sensors detect any obstacles at the corners and rear of the vehicle, the system informs the driver of the distance between the sensors and t ...

Operation Check

OPERATION CHECK 1. CHECK INITIAL CHECK FUNCTION (a) Check the initial check function for the buzzer. (1) When the back sonar or clearance sonar switch assembly is turned on, check that the foll ...

Other materials about Toyota 4Runner:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (See page ). (b) Measure the resistance and voltage according to the value(s) in the table below. Termi ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful bec ...