Toyota Sienna Service Manual: DTC check / clear
1. DTC CHECK
HINT: When DTC B1150/23 is detected as a result of troubleshooting for "Airbag System", perform troubleshooting for the Occupant Classification System.
- Check the DTCs.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position.
- Check the DTCs by following the prompts on the tester screen.
HINT: Refer to the intelligent tester operator's manual for further details.
- Clear the DTCs.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position.
- Clear the DTCs by following the prompts on the tester screen.
HINT: Refer to the intelligent tester operator's manual for further details.
Diagnosis system
1. CHECK DLC3
The ECU uses ISO 15765-4 for communication.
The terminal arrangement of the DLC3 complies
with SAE J1962 and meets the ISO 15765-4 format.
NOTICE:
*: Before measuri ...
Data list / active test
HINT:
By accessing the DATA LIST displayed by the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST ...
Other materials:
Abbreviations used in manual
...
Inspection
1. INSPECT REAR SPEED SENSOR
(a) Remove the seat cushion and seatback.
(b) Disconnect the speed sensor connector.
(c) Measure the resistance between terminals 1 and 2
of the speed sensor connector
OK:
Resistance:
1.1 +- 0.2 kΩ at 25 +- 5 °C
(d) Measure the resistance between ea ...
How to proceed with
troubleshooting
HINT:
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Confirm problem symptoms
3 CHECK MULTIPLEX COMMUNICATION SYSTEM*
Check if the multiplex communication system DTC is
output.
HINT:
The center airbag sensor assembly of this system is
co ...
