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:

Installation
1. Install torque converter clutch assembly (a) Install the torque converter clutch to the automatic transaxle. (b) Using vernier calipers and a straight edge, measure the dimension "A" between the transaxle fitting part of the engine and the converter fitting part of the drive ...

DRL Relay Circuit
DESCRIPTION The Multiplex network body ECU controls the DRL No.2 relay WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER Connect the intelligent tester to DLC3.  Turn the ignition switch ON and push the intelligent tester main switch ON.  Sel ...

Back door courtesy switch
INSPECTION 1. BACK DOOR LOCK ASSEMBLY (WITH OUT POWER BACK DOOR)  Inspect back door courtesy light switch operation.  Check that there is resistance between the terminal 5 and the terminal 6 when the back door is open and closed. Resistance: Back door is open: 10 k& ...

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