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:
Passenger Side Buckle Switch Circuit Malfunction
DTC B1771 Passenger Side Buckle Switch Circuit Malfunction
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant
classification ECU and the front seat
inner belt assembly RH.
DTC B1771 is recorded when a malfunction is detected in the passenger side
buckle switch ci ...
Camshaft Position Sensor "B" Circuit
DESCRIPTION
The exhaust camshaft's Variable Valve Timing (VVT) sensor consists of a
magnet and MRE (Magneto
Resistance Element).
The exhaust camshaft has a sensor plate with 3 teeth on its outer circumference.
When the exhaust camshaft rotates, changes occur in the air gaps between the ...
Basic inspection
When a malfunction is not confirmed by the DTC check,
troubleshooting should be carried out in all circuits
considered to be possible causes of the problem. In many
cases, by carrying out the basic engine check shown in the
following flowchart, the location of the problem can be found
quickly a ...
