Toyota Sienna Service Manual: Security horn assembly

Engine hood courtesy switch

Inspection 1. INSPECT ENGINE HOOD COURTESY SWITCH  Measure the resistance according to the value(s) in the table below. Standard resistance If the result is not as specified, r ...

Engine immobiliser

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Other materials:

Driving in vehicle-to-vehicle distance control mode
This mode employs a radar sensor to detect the presence of vehicles up to approximately 400 ft. (120 m) ahead, determines the current vehicle-to-vehicle following distance, and operates to maintain a suitable following distance from the vehicle ahead. Note that vehicle-to-vehicle distance will ...

Fail-safe chart
1. FAIL-SAFE This function minimizes the loss of the ECT functions when any malfunction occurs in a sensor or solenoid. (a) ATF (Automatic Transmission Fluid) temperature sensor: When the ATF temperature sensor has a malfunction, 5th upshift is prohibited. (b) Counter gear speed sensor NC ...

System description
1. GENERAL DESCRIPTION  The power seat control system is equipped with the following function:  The front seats are equipped with electric adjuster slide, reclining, lifter, front vertical and lumbar support adjustment functions.  The power seat control system (w ...