CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2017 MY Sienna [12/2015

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000WPIS
Model Year Start: 2016	Model: Sienna	Prod Date Range: [12/2015 - 11/2017]
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the dynamic radar cruise control system.
*: Use the Techstream.

1.	VEHICLE BROUGHT TO WORKSHOP

2.	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.

3.	CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*

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

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

GO TO CAN COMMUNICATION SYSTEM

(See page )

4.	CHECK FOR DTC*

Refer to DTC Check / Clear (See page ).

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

(b) Clear the DTCs.

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

GO TO DTC CHART

(See page )

5.	PROBLEM SYMPTOMS TABLE

Refer to Problem Symptoms Table (See page ).

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 (See page ).

(b) Data List / Active Test (See page ).

7.	ADJUST, REPAIR OR REPLACE

NOTICE:

When the millimeter wave radar sensor or ECM are replaced with a new one, adjustment of the radar sensor beam axis must be performed (See page ).

8.	CONFIRMATION TEST

END