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

Toyota Tacoma (2015-2018) Service Manual / Theft Deterrent / Theft Deterrent System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use this procedure to troubleshoot the theft deterrent system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble.

Click here

3.	SYMPTOM SIMULATION

4.	INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN Communication System is functioning normally.

Click here

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

5.	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 7

6.	PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM*

(a) System Description

Click here (b) Terminals of ECU

(b) Terminals of ECU

Click here (c) Data List / Active Test

Click here

7.	ADJUST, REPAIR OR REPLACE

8.	CONFIRMATION TEST

END

Customize Parameters

CUSTOMIZE PARAMETERS PROCEDURE 1. CUSTOMIZE THEFT DETERRENT SYSTEM (w/ Wireless Door Lock System) HINT: The following items can be customized. NOTICE: When the customer requests a change ...

System Description

SYSTEM DESCRIPTION 1. OUTLINE OF THEFT DETERRENT SYSTEM The theft deterrent system can be set/canceled by locking/unlocking the doors using the following operation: Entry lo ...

Other materials:

System Description
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Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE 1. REPLACE CD AND RECHECK (a) Replace the CD with a known good one and recheck. (1) Check if the same malfunction occurs again. OK: Malfunction disappears. OK END NG REPLACE NAVIGATION RECEIVER ASSEMBLY ...

Precaution
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