Toyota Sienna Service Manual: 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 passenger side seat belt buzzer.
NOTICE: These buzzers should be on for safe driving.
Perform the procedures only if it is necessary to set the buzzer off.
- Driver side and passenger side seat belt buzzers
- Turn the ignition switch to the ON position.
- Press the ODO/TRIP switch until the odometer appears.
- Turn the ignition switch off.
- Turn the ignition switch to the ON position.
- Press the ODO/TRIP switch immediately (within 6 seconds) and hold it down for 10 seconds or more.
- Continue holding down the ODO/TRIP switch and fasten the driver side seat belt.
- Check that the odometer displays either "b-ON" or "b-OFF"
- Press the ODO/TRIP switch to change the display to "b-OFF".
- Turn the ignition switch off.
- Turn the ignition switch to the ON position.
- Check that no buzzer sounds when the vehicle speed is 20 km/h (12 mph) or more and the driver seat belt is unfastened.
- Front passenger side seat belt buzzer
- Turn the ignition switch to the ON position.
- Press the ODO/TRIP switch until the odometer appears.
- Turn the ignition switch off.
- Turn the ignition switch to the ON position.
- Sit in the front passenger seat. Press the ODO/ TRIP switch immediately (within 6 seconds) and hold it down for 10 seconds or more.
- Continue holding down the ODO/TRIP switch and fasten the passenger side seat belt.
- Check that the odometer displays either "b-ON" or "b-OFF"
- Press the ODO/TRIP switch to change the display to "b-OFF".
- Turn the ignition switch off.
- Turn the ignition switch to the ON position.
- Check that no buzzer sounds when the vehicle
speed is 20 km/h (12 mph) or more and the front
passenger seat belt is unfastened.
HINT: "b-OFF" indicates that the buzzer is OFF. "b-ON" indicates that the buzzer is ON. The buzzer ON/ OFF setting will be finished (the odometer will appear) if the ODO/TRIP switch is not operated for 10 seconds or more. In this case, perform step 11 to check that the buzzer ON/OFF setting is complete. If it is not complete, start from step 1 again.
NOTICE:
- When either the battery cable or the combination meter connector is disconnected, these buzzers are set on.
- ODO/TRIP meter returns to 0 after starting this procedure, although it is not displayed.
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 ...
Problem symptoms table
ENTIRE SYSTEM
METER GAUGES
WARNING LIGHTS
INDICATOR LIGHTS
BUZZER
ACCESSORY METER ASSEMBLY
...
Other materials:
Indicator Circuit
DESCRIPTION
The indicator displays the location of the obstacle and the approximate
distance between the vehicle and
the obstacle either by blinking or turning on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER
AMPLIFIER)
...
Release Actuator Circuit
DESCRIPTION
The fold seat control ECU receives a switch operation signal from the fold
seat switch and activates the
release actuator. The release actuator releases the lock of the stowed seat
based on a drive voltage
received from the ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT ...
Transmission Error
DTC 01-DC Transmission Error
DESCRIPTION
HINT:
*1: This code may be stored if the engine is started, idled for 60 seconds and
then started again.
NOTICE:
Before starting troubleshooting, be sure to clear DTCs to erase
codes stored due to the
reasons described in the HINT ...
