Toyota RAV4 manuals

Toyota RAV4 Service Manual: Diagnosis system

  1. Description

Toyota RAV4. Diagnosis system


  1. Key reminder warning system data can be read through the data link connector 3 (dlc3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester (with can vim) to check for malfunctions and perform repairs.
  1. Check dlc3

Toyota RAV4. Diagnosis system


The vehicle's ecm uses iso 15765-4 communication protocol. The terminal arrangement of the dlc3 complies with iso 15031-03 and matches the iso 15765-4 format.

Toyota RAV4. Diagnosis system


Notice:

*: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, other switches or doors.

If the result is not as specified, the dlc3 may have a malfunction. Repair or replace the harness and connector.

Hint:

Connect the cable of the intelligent tester (with can vim) to the dcl3, turn the ignition switch on and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.

Terminals of ecu
Check combination meter assembly Measure the voltage and resistance of the connector. Check instrument panel junction block (main body ecu) Measure the voltage and r ...

Data list / active test
Read data list Hint: Using the intelligent tester's data list allows switch, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshoot ...

Other materials:

Bus ic communication malfunction
Description The air conditioning harness connects the air conditioning amplifier and the servos. The air conditioning amplifier supplies power and sends operation instructions to each servo through the air conditioning harness. Each servo sends damper position information to the air condi ...

Front airbag sensor
Components On-vehicle inspection Check front airbag sensor (vehicle not involved in collision and airbag not deployed) Perform a diagnostic system check (see page rs- 49). Check front airbag sensor (vehicle involved in collision and airbag has not deployed) Perfo ...

Underdrive clutch
Components Disassembly Inspect pack clearance of underdrive clutch (see page ax-247) Remove no. 1 Underdrive clutch disc Using a screwdriver, pry out the underdrive clutch flange snap ring. Remove the flange, 3 discs and 3 plates from the underdrive clutch drum. In ...

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