Toyota RAV4 manuals

Toyota Sienna Service Manual: Electronic control

(a) REMOVAL AND INSTALLATION OF BATTERY TERMINAL

REMOVAL AND INSTALLATION OF BATTERY TERMINAL REMOVAL AND INSTALLATION OF BATTERY TERMINAL

NOTICE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

(1) Before performing electronic work, disconnect the cable from the negative (-) battery terminal to prevent component and wire damage caused by accidental short circuits.

(2) When disconnecting the cable, turn the ignition switch and headlight dimmer switch off and loosen the cable nut completely. Perform these operations without twisting or prying the cable.

Then disconnect the cable.

(3) Clock settings, radio settings, audio system memory, DTCs and other data are erased when the cable is disconnected from the negative (-) battery terminal. Write down any necessary data before disconnecting the cable.

(b) HANDLING OF ELECTRONIC PARTS

HANDLING OF ELECTRONIC PARTS HANDLING OF ELECTRONIC PARTS

(1) Do not open the cover or case of the ECU unless absolutely necessary. If the IC terminals are touched, the IC may be rendered inoperative by static electricity.

(2) Do not pull the wires when disconnecting electronic connectors. Pull the connector itself.

(3) Do not drop electronic components, such as sensors or relays. If they are dropped on a hard surface, they should be replaced.

(4) When cleaning the engine with steam, protect the electronic components, air filter and emission-related components from water.

(5) Never use an impact wrench to remove or install temperature switches or temperature sensors.

(6) When measuring the resistance between terminals of a wire connector, insert the tester probe carefully to prevent terminals from bending.

For vehicles equipped with srs airbag and seat belt pretensioner
The SIENNA is equipped with a Supplemental Restraint System (SRS). CAUTION: Failure to carry out the service operations in the correct sequence could cause the SRS to unexpectedly deploy during se ...

Removal and installation of fuel control parts
(a) PLACE FOR REMOVING AND INSTALLING FUEL SYSTEM PARTS (1) Work in a location with good air ventilation that does not have welders, grinders, drills, electric motors, stoves, or any other ignitio ...

Other materials:

System Too
DESCRIPTION The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim consists of both the short-term and long-term fuel trims. The short-term fuel trim is fuel compensation that is used to constantly maintain the air-fuel ratio at stoich ...

How to proceed with troubleshooting
1 VEHICLE BROUGHT INTO A WORKSHOP 2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION Ask the customer about symptoms and confirm malfunctions. 3 CONFIRM THE SYSTEM NORMAL CONDITION 4 CHECK DTC HINT: If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal ...

Installation
1. INSTALL VENTILATION VALVE (a) Install the ventilation valve. (1) Apply adhesive to 2 or 3 threads. Adhesive: Part No. 08833-00070, Three Bond 1324 or equivalent (2) Install the ventilation valve. Torque: 27 N*m (275 kgf*cm, 20 ft.*lbf) 2. CONNECT VENTILATION HOSE (a) Connect ...

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