Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting

Toyota Tacoma (2015-2018) Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the intuitive parking assist system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

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

4.	CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

Result	Proceed to
CAN communication system DTCs are not output	A
CAN communication system DTCs are output	B

GO TO CAN COMMUNICATION SYSTEM

5.	PROBLEM SYMPTOM CONFIRMATION

6.	CHECK DTC*

(a) Check for DTCs.

Click here

Result	Proceed to
DTCs are output	A
DTCs are not output (Problem symptom does not occur)	B
DTCs are not output (Problem symptom occurs)	C

GO TO STEP 8

GO TO STEP 9

7.	DIAGNOSTIC TROUBLE CODE CHART

(a) Refer to Diagnostic Trouble Code Chart.

Click here

GO TO STEP 11

8.	SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

9.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result	Proceed to
Fault is not listed in Problem Symptoms Table	A
Fault is listed in Problem Symptoms Table	B

GO TO STEP 11

10.	OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check

Click here (b) Terminals of ECU

(b) Terminals of ECU

Click here (c) Data List / Active Test

Click here

11.	CIRCUIT INSPECTION*

12.	IDENTIFICATION OF PROBLEM

13.	REPAIR OR REPLACE

14.	CONFIRMATION TEST*

END

System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Clearance Warn ...

System Description

SYSTEM DESCRIPTION 1. GENERAL (a) This system uses ultrasonic sensors to detect any obstacles at the corners and the rear of the vehicle. The system then informs the driver of the distance betwe ...

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