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 ...

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