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:

Center Airbag Sensor Assembly Communication Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication Circuit Malfunction DESCRIPTION The center airbag sensor assembly communication circuit consists of the occupant classification ECU and the center airbag sensor assembly. DTC B1790 is recorded when a malfunction is detected in the center ...

On-vehicle inspection
1. INSPECT FRONT AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)  Perform a diagnostic system check.  When the front bumper of the vehicle o ...

Installation
1. INSTALL POWER POINT SOCKET ASSEMBLY  Engage the 2 claws to install the power point socket assembly. 2. INSTALL INSTRUMENT CLUSTER CENTER LOWER FINISH PANEL SUB-ASSEMBLY 3. INSTALL POSITION INDICATOR HOUSING ASSEMBLY 4. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY 5. INSTALL INSTRU ...

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