Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. COMBINATION METER ASSEMBLY

COMBINATION METER ASSEMBLY

COMBINATION METER ASSEMBLY

COMBINATION METER ASSEMBLY

COMBINATION METER ASSEMBLY

*1: with Power Rear No. 2 Seat with Stowing Function
*2: with Theft Deterrent System

COMBINATION METER ASSEMBLY

  1.  Waveform 1 (Reference) : Using an oscilloscope:

OK:

COMBINATION METER ASSEMBLY

HINT: As vehicle speed increases, the cycle of the signal waveform narrows.

COMBINATION METER ASSEMBLY

  1. Waveform 2 (Reference) : Using an oscilloscope:

OK:

COMBINATION METER ASSEMBLY

2. ACCESSORY METER ASSEMBLY

ACCESSORY METER ASSEMBLY

3. COMBINATION METER INNER CIRCUIT

COMBINATION METER INNER CIRCUIT

 COMBINATION METER INNER CIRCUIT

 COMBINATION METER INNER CIRCUIT

 COMBINATION METER INNER CIRCUIT

*1: for Optitron Meter, Power Rear No. 2 Seat with Stowing Function
*2: for Optitron Meter, with Theft Deterrent System
*3: without VSC
*4: with VSC

Problem symptoms table
ENTIRE SYSTEM METER GAUGES WARNING LIGHTS INDICATOR LIGHTS BUZZER ACCESSORY METER ASSEMBLY ...

Diagnosis system
1. CHECK DLC3  The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: ...

Other materials:

Rear view monitor system precautions
Area displayed on screen The rear view monitor system displays an image of the view from the bumper of the rear area of the vehicle. The image on the rear view monitor system can be adjusted. The area displayed on the screen may vary according to vehicle orientation conditions. ...

For vehicles equipped with catalytic converter
CAUTION: If a large amount of unburned gasoline or gasoline vapors flow into the converter, it may cause overheating and create a fire hazard. To prevent this, observe the following precautions: (a) Use only unleaded gasoline. (b) Avoid idling the engine for more than 20 minutes. (c) ...

Terminals of ECU
1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)  Disconnect the B6, B7 and B9 ECU connectors. Disconnect the 1A, 1C, 1L and 1K J/B connectors.  Measure the voltage and resistance between each terminal of the wire harness side connectors and body gro ...

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