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. ...

Maintenance and care

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Other materials:

For front passenger side
ON-VEHICLE INSPECTION 1. INSPECT AIR MIX CONTROL SERVO MOTOR (a) Remove the air mix control servo motor. (b) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the lever turns to "COOL" side smoothly. (c) Connect ...

Internal Control Module Random Access Memory (RAM) Error
DESCRIPTION The ECM continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check ensures that the ECM is functioning properly. If any malfunction is detected, the ECM sets the appropriate DTC and illumina ...

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 ...