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:
Removal
1. REMOVE BATTERY
2. REMOVE AIR CLEANER ASSEMBLY
HINT:
(See page EM-26)
3. REMOVE SPEED SENSOR (NT SENSOR)
(a) Disconnect the speed sensor connector.
(b) Remove the bolt and speed sensor.
4. REMOVE SPEED SENSOR (NC SENSOR)
(a) Disconnect the speed sensor connector.
(b) Remove th ...
Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
Disconnect the 1C, 1J, 1L, 1K, 1P, B6, B7 and B9 J/
B connectors.
Measure the voltage and resistance according to
the value(s) in the table below.
Standard
HINT:
If the result is not as specified ...
Check that initialization has been completed
(a) Confirm that the data of tire pressure of all tires are
displayed on the intelligent tester screen.
Tester Display
Measurement Item/Range
Normal Condition
Diagnostic Note
TIREPRESS1
ID1 tire inflation pressure (Absolute
pressure) /
min.: 100 kPa (1 kgf/cm2, 14 ...
