PRE-COLLISION: PRE-COLLISION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2017 MY Sienna [12/2015

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000WPIT
Model Year Start: 2016	Model: Sienna	Prod Date Range: [12/2015 - 11/2017]
Title: PRE-COLLISION: PRE-COLLISION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

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.

CHARGE OR REPLACE BATTERY

3.	CHECK CAN COMMUNICATION SYSTEM*

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

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*

(a) Check for DTCs (See page ).

(1) Record the DTCs.

(b) Clear the DTCs.

(1) Attempt to duplicate the malfunction and check if the DTCs are output again (See page ).

Result	Proceed to
DTC is not output	A
DTC is output	B
No DTC is output, and malfunction cannot be duplicated or checked	C

GO TO SYMPTOM SIMULATION

(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) Data List / Active Test (See page )

(b) Terminals of ECU (See page )

7.	ADJUST, REPAIR OR REPLACE

8.	CONFIRMATION TEST

END