Toyota Sienna 2010-2026 Owners Manual: Maintenance and care
Safety information for Safety Connect
Important! Read this information before using Safety Connect.
Exposure to radio frequency signals
The Safety Connect system installed in your vehicle is a low-power
radio transmitter and receiver. ...
Other materials:
How to proceed with
troubleshooting
HINT:
Use the following procedures to troubleshoot the dynamic
laser cruise control system.
*: Use the intelligent tester
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PROBLEM SYMPTOM CONFIRMATION
Result
SYMPTOM SIMULATION
4 INSPECT BATTERY VOLTAGE
Stan ...
Diagnostic trouble code chart
1. DTC CHECK
If a malfunction code is displayed during the DTC check ,
check the suspected area listed for that code in the table
below, and proceed to the appropriate page.
DIAGNOSTIC TROUBLE CODE CHART
DTC No.
Detection Item
Suspect Area
B1244
Light Se ...
Terminals of ECU
1. CHECK POWER BACK DOOR ECU
Disconnect the P13 and P14 ECU connectors, and
check the voltage and resistance of each terminal of
the wire harness side connectors
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the ECU co ...
