Toyota Sienna Service Manual

Initialization

Items to initialize The following items must be initialized for normal system operation after such cases as the battery being reconnected, or maintenance being performed on the vehicle. ...

Introduction

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Other materials:

Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
HINT: This DTC relates to the Throttle Position (TP) sensor. DESCRIPTION Refer to DTC P0120 (See page ES-145). MONITOR DESCRIPTION The ECM uses the TP sensor to monitor the throttle valve opening angle. This sensor transmits two signals: VTA1 and VTA2. VTA1 is used to detect the th ...

How to proceed with troubleshooting
HINT: *: Use the intelligent tester. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS Confirm problem symptoms 3 CHECK MULTIPLEX COMMUNICATION SYSTEM* Check if the multiplex communication system DTC is output. HINT: The center airbag sensor assembly of this system is co ...

Park / Neutral Position Switch Circuit
DESCRIPTION The fold seat control ECU receives signals from the Park/Neutral position switch and controls the seat stowing and return operations. If the shift lever is in any position other than P the seat cannot be operated. If the ignition switch is in ACC or IG the seat cannot be operate ...