CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): HOW TO PROCEED WITH TROUBLESHOOTING; 2018 - 2020 MY Sienna [11/2017

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM1000000018K2Y
Model Year Start: 2018	Model: Sienna	Prod Date Range: [11/2017 - ]
Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): HOW TO PROCEED WITH TROUBLESHOOTING; 2018 - 2020 MY Sienna [11/2017 - ]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage with the ignition switch off.

Standard Voltage:

11 to 14 V

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

3.	CHECK CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally.

HINT:

Refer to CAN Bus Check in CAN Communication System.

Click here

OK:

CAN communication system is functioning normally.

4.	CHECK FOR DTCs* (LANE DEPARTURE ALERT SYSTEM)

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

Click here

(b) Clear the DTCs.

Click here

Result	Proceed to
DTCs are not output	A
DTCs are output	B

5.	PROBLEM SYMPTOMS TABLE

HINT:

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

6.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU

Click here

(b) Data List / Active Test

Click here

7.	ADJUST, REPAIR OR REPLACE

NOTICE:

When the forward recognition camera is replaced with a new one, forward recognition camera adjustment must be performed.

Click here

8.	CONFIRMATION TEST

END