Toyota Sienna Service Manual: Operation check
1. REMOVE CHECK FUNCTION
- Check that the key reminder warning buzzer sounds.
- With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to LOCK or ACC.
- Check that the buzzer sounds intermittently if the driver side door is opened.
- Check that the key reminder warning buzzer stops.
- Check that the buzzer stops sounding if any of the following operations is performed while the buzzer is sounding:
- Close the driver side door (front door courtesy light switch is off).
- Turn the ignition switch ON.
- Pull out the key from the ignition key cylinder.
Problem symptoms table
KEY REMINDER WARNING SYSTEM
How to proceed with
troubleshooting
HINT:
Use these procedures to troubleshoot the key reminder
warning system.
The intelligent tester should be used in steps 3 and 5.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PRO ...
Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
Disconnect the B6, 1C, 1K and 1L J/B connectors.
Measure the voltage and resistance according to
the value(s) in th ...
Other materials:
Random / Multiple Cylinder Misfire Detected/ Cylinder Misfire Detected
DTC P0300 Random / Multiple Cylinder Misfire Detected
DTC P0301 Cylinder 1 Misfire Detected
DTC P0302 Cylinder 2 Misfire Detected
DTC P0303 Cylinder 3 Misfire Detected
DTC P0304 Cylinder 4 Misfire Detected
DTC P0305 Cylinder 5 Misfire Detected
DTC P0306 Cylinder 6 Misfire Detected
DESCRIPTION ...
On-vehicle inspection
1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the steering pad installed on the vehicle,
perform a visual check. If there are any defects as
mentioned below, replace the steering pad with a
new one:
Cuts, minute cracks or marked ...
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...
