DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Smart Key System): HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2020 MY Sienna [12/2015

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000WPEL
Model Year Start: 2016	Model: Sienna	Prod Date Range: [12/2015 - ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Smart Key System): HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2020 MY Sienna [12/2015 - ]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system. Use this procedure to troubleshoot the wireless door lock control system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS CHECK

(a) Interview the customer of confirm the trouble.

Click here

3.	INSPECT 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 FOR DTC*

(a) Check for DTCs and note any codes that are output.

Click here

(b) Clear the DTCs.

(c) Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.

Result	Proceed to
DTC is not output.	A
CAN communication system DTC is output.	B
Wireless door lock control system DTC is output.	C

GO TO CAN COMMUNICATION SYSTEM

GO TO DIAGNOSTIC TROUBLE CODE CHART

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.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check

Click here

(b) Terminals of ECU

Click here

7.	REPAIR OR REPLACE

8.	CONFIRMATION TEST

END