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:
Front Airbag Sensor LH Circuit Malfunction
DTC B1149/37 Front Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor
assembly and front airbag sensor
LH.
If the center airbag sensor assembly receives signals from the front airbag
sensor LH, it judges whether or
not ...
Reassembly
1. INSTALL REAR DOOR WIRE SUB-ASSEMBLY LH
Install the wire.
NOTICE:
When installing the wire, push the areas where
the clips are installed in order to prevent
damage and deformation.
Install the 2 screws.
2. INSTALL REAR DOOR LOCK ASSEMBLY LH
Apply MP grease to the slidi ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do no ...
