Toyota Sienna Service Manual: Theft deterrent system

Theft deterrent

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System description

1. OUTLINE OF THEFT DETERRENT SYSTEM  When the theft deterrent system detects that the vehicle is being tampered with, the system sets off the alarm, causing the horns to sound and the li ...

Other materials:

Precaution
1. NOTES FOR CLEARANCE SONAR SYSTEM  Under the following conditions, the sensor of the clearance sonar may not operate properly:  Foreign matter such as snow or mud gets on the sensor (the detection function will return to normal when the foreign matter is no longer prese ...

Purpose of readiness tests
The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emissionrelated components, and indicate any detected abnormalities with DTCs (Diagnostic Trouble Codes). Since various components need to be monitored in different driving conditions, the OBD II system ...

Communication Error from ECM to VSC
DTC P1631 Communication Error from ECM to VSC DTC U0100 Lost Communication with ECM/PCM "A" DESCRIPTION The ECM sends signals such as A/T information signals, dynamic laser cruise control operation signals, brake operation demand signals, and buzzer operation demand signals to the sk ...