Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM
- Check for DTC output
4 PROBLEM SYMPTOM CONFIRMATION
5 PROBLEM SYMPTOMS TABLE
6 CIRCUIT INSPECTION
7 REPAIR OR REPLACE
8 CONFIRMATION TEST
END
Precaution
1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL
Before performing electrical work, disconnect the
battery negative (-) terminal in order to prevent a
short in the system.
...
Customize parameters
1. Seat Belt Buzzer ON/OFF Setting
The seat belt buzzer ON/OFF setting, which is a setting
of the buzzer function of the combination meter, can
disable the driver side seat belt buzzer and front
p ...
Other materials:
Sliding door child-protector locks
The sliding door cannot be
opened by the inside door handle
and the second seat sliding door
switch when the lock is set.
Unlock
Lock
These locks can be set to prevent
children from opening the sliding
doors. Push down on each sliding
door switch to lock that sliding
door.
The p ...
Perform zero point calibration of yaw rate and deceleration sensor (when
using intelligent tester)
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Operate the intelligent tester to erase the codes
(select "RESET MEMORY").
HINT:
Refer to the intelligent tester operator's manual for
further details.
(d) Using the intell ...
DTC check / clear
1. CHECK DTC
Connect the intelligent tester to the DLC3.
Connect the intelligent tester to the Controller
Area Network Vehicle Interface Module (CAN
VIM). Then connect the CAN VIM to the Data
Link Connector 3 (DLC3).
Turn the ignition switch to the ON posi ...
