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:
Problem symptoms table
Vehicle stability control system:
TERMINALS OF ECU
1. Terminal of ECU
(*1): Models with dynamic laser cruise control
(*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage or resistance on the wire harness side.
HINT: Voltage cannot be measured wit ...
Removal
1. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
Push the right side wall and then push the left wall
to release the stoppers.
Pull the glove compartment door sub-assembly
rearward to remove it.
2. REMOVE NO. 2 INSTRUMENT PANEL BOX
Disengage the 2 claws and 4 cl ...
Brake Warning Light Remains ON
DESCRIPTION
If the ECU detects a trouble, it turns on the brake warning light at the same
time of prohibiting ABS
control.
At this time, the ECU records a DTC in memory.
Connect terminals TC and CG of the DLC3 to make the brake warning light blink
and output the DTC.
WIRING DIAGRAM
...
