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:

Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1)
DESCRIPTION Shifting from 1st to 5th is performed in combination with "ON" and "OFF" operation of the shift solenoid valves SL1, SL2, SL3, S4 and SR which are controlled by the ECM. If an open or short circuit occurs in either of the shift solenoid valves, the ECM cont ...

Transfer system
PRECAUTION NOTICE: 1. Before disassembly, clean the transfer assembly of any sand or mud to prevent it from entering inside the transfer during disassembly and assembly. 2. When removing any light alloy part such as a transfer cover, do not pry it off with a tool like a screwdriver, but tap ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE FRONT DOOR SCUFF PLATE LH 3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH 4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH (See page IP-6) 5. REMOVE TIRE PRESSURE WARNING RESET SWITCH (a) Disengage the 2 claws and remove t ...

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