Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. BUS CHECK

BUS CHECK

  1. Select "BUS CHECK" from the "OBD/MOBD MENU" screen.

HINT: The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the intelligent tester via the CAN VIM.

BUS CHECK

  1. Press "ENTER" on the intelligent tester.

BUS CHECK

  1. The screen displays the ECUs and sensors that are properly connected to the CAN communication system.

HINT: Properly connected ECUs or sensors that are not displayed on the screen indicate that a communication stop is occuring in the system, sensor, or ECU which is not displayed.

2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION

  1. Systems (ECUs, sensors) that use CAN communication vary depending on the vehicle's optional equipment. Check which systems (ECUs, sensors) are installed on the vehicle.

CHECK FOR INSTALLED SYSTEMS

HINT:

3. DTC TABLE BY ECU

HINT:

  1. Skid control ECU (with VSC)

HINT: DTC communication uses the CAN communication system.

DTC TABLE BY ECU

  1. ECM (with Dynamic laser cruise control)

HINT:

DTC TABLE BY ECU

  1. Gateway ECU

HINT: The network gateway ECU is connected to the CAN communication system, but CAN communication DTCs are not output.

4. DTCS COMBINATION TABLE

DTCS COMBINATION TABLE

HINT: *1: with Dynamic laser cruise control

Terminals of ECU
1. JUNCTION CONNECTOR Junction connector with VSC HINT: *1: with Dynamic laser cruise control without VSC CAN junction connector (with VSC) with VSC The connection ...

Fail-safe chart
1. FAIL-SAFE FUNCTION When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each syst ...

Other materials:

How to proceed with troubleshooting
HINT:  Use this procedure to troubleshoot the front power seat control system.  The intelligent tester should be used in steps 3 and 5. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CHECK 3 CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNI ...

Installation
1. INSTALL SEAT POSITION AIRBAG SENSOR  Check that the ignition switch is off. Check that the negative battery (-) terminal is disconnected. CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.  Usin ...

Reassembly
1. INSTALL STRAIGHT PIN (a) Using a plastic hammer, tap in new straight pins to the cylinder block. Standard protrusion 2. INSTALL STUD BOLT (a) Using E8 and E10 "TORX" sockets, install the stud bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) for bolt A 17 N*m (173 kgf*cm, ...

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