Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT:
- Troubleshooting of the wireless door lock control system is
based on the premise that the power door lock system, the
power slide door system, the power back door system and
the power window system are operating normally.
Therefore, before troubleshooting the wireless door lock control system, first make certain that these systems are operating normally.
- Troubleshoot in accordance with the procedures on the following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
- Interview the customer to confirm the trouble
3 DTC CHECK
- Check for DTC and note any codes that are output.
- Delete the DTC.
- Recheck for DTC. Try to prompt the DTC by simulating the original activity that the DTC suggests.
- If the DTC does not reoccur, proceed to A.
- If the DTC reoccur, proceed to B.
4 PROBLEM SYMPTOMS TABLE
- When problem is not listed on problem symptoms table, proceed to A.
- When problem is listed on problem symptoms table, proceed to B.
5 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
- Terminals of ECU
- Operation check
6 ADJUST, REPAIR OR REPLACE
7 CONFIRMATION TEST
END
Parts location
...
Operation check
1. NOTICE WHEN CHECKING THE FOLLOWING
Power door lock/unlock function:
The wireless door lock control function operates
only when the following 3 conditions are met:
No key is inse ...
Other materials:
Back Door ECU Communication Stop
DTC B1287 Back Door ECU Communication Stop
DESCRIPTION
DTC B1287 is output when communication between the power back door ECU and
the multiplex network
gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1287
Back d ...
Initialization
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not
occupied before performing the operation.
HINT:
Perform the zero point calibration and sensitivity check if
any of the following conditions occur.
The occupant classification ECU is replaced.
Acc ...
Deleting the contact data
For PBAP compatible Bluetooth® phones, this function is available when
“Automatic Transfer” is set to off.
Select “Delete Contacts”.
Select the desired contact and select “Delete”.
Select “Yes” when the confirmation screen appears.
Deleting the contact in a different w ...
