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

Toyota Tacoma (2015-2018) Service Manual / Door Lock / Key Reminder Warning System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the key reminder warning system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

(a) Check the battery voltage.

Standard voltage:

11 to 14 V

HINT:

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

3.	CHECK 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
DTC is not output	A
DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

4.	PROBLEM SYMPTOMS TABLE

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

GO TO STEP 6

5.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU.

Click here (b) Data List / Active Test.

(b) Data List / Active Test.

Click here

6.	REPAIR OR REPLACE

7.	CONFIRMATION TEST

END

SYSTEM DESCRIPTION 1. KEY REMINDER WARNING SYSTEM DESCRIPTION (a) When the driver side door is opened with the ignition key in the ACC or LOCK position, this system causes the key reminder warning ...

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