Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table

Toyota Tacoma (2015-2018) Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
When an open circuit indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.

General

Symptom	Suspected Area	See page
System does not operate at all	Proceed to "Clearance Warning ECU Power Source Circuit"
System does not operate at all	Proceed to "Clearance Sonar Main Switch Circuit"
System cannot be turned off	Proceed to "Clearance Sonar Main Switch Circuit"

Sonar Function

Symptom	Suspected Area	See page
Combination meter assembly (shift position indicator) operates normally, but detection operates when shift lever is in any position other than R, or does not operate with shift lever in R (rear sonar)	CAN communication system
	Clearance warning ECU assembly

Buzzer Function

Symptom	Suspected Area	See page
Sonar detection operation is normal but buzzer operation is intermittent	Proceed to "Clearance Warning Buzzer Circuit"
	Clearance warning ECU assembly

Display Function

Symptom	Suspected Area	See page
Detection operation is normal but all sonar displays do not appear on multi-information display and multi-display	CAN communication system
	Clearance warning ECU assembly
Detection operation is normal but sonar displays do not appear on multi-information display	CAN communication system
	Combination meter assembly
	Clearance warning ECU assembly

Customize Parameters

CUSTOMIZE PARAMETERS PROCEDURE 1. CUSTOMIZE INTUITIVE PARKING ASSIST SYSTEM (a) Customizing with the Techstream NOTICE: When the customer requests a change in a function, first make sure ...

Terminals Of Ecu

TERMINALS OF ECU 1. CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the C30 connector from the clearance warning ECU assembly. (b) Measure the voltage and resistance according to the value(s) in th ...

Other materials:

Jam Protection Function does not Operate
DESCRIPTION This symptom may occur for any of the windows. The jam protection function operates within a specified range during the manual up or auto up operation. CAUTION / NOTICE / HINT NOTICE: If a power window regulator motor assembly has been replaced with a new one, initiali ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ 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 because intermittent conditions or sig ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: If the bumper is damaged, there is a possibility that the installation area of the blind spot monitor sensor may be deformed and the blind spot monitor system may not operate correctly, so visually inspect the blind spot monitor sensor installation area ...