Toyota RAV4 manuals

Toyota RAV4 Service Manual: Diagnosis system

  1. Description

Power door lock control system data can be read in the data link connector 3 (dlc3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs.

  1. Check dlc3

Toyota RAV4. Diagnosis system


  1. The ecu uses iso 15765-4 for communication.

    The terminal arrangement of the dlc3 complies with iso 15031-3 and matches the iso 15765-4 format.

Toyota RAV4. Diagnosis system


Notice:

*: Before measuring the resistance, leave the vehicle for at least 1 minute and do not operate the ignition switch, any 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 to the dlc3, 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.

Toyota RAV4. Diagnosis system


Terminals of ecu
Check instrument panel junction block (main body ecu) Disconnect the ib and ie junction block connectors. Measure the voltage and resistance of the wire harness side connectors. ...

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

Other materials:

Torque converter clutch solenoid performance (shift solenoid valve dsl)
Description The ecm uses the signals from the throttle position sensor, air-flow meter, turbine (input) speed sensor, intermediate (counter) shaft speed sensor and crankshaft position sensor to monitor the engagement condition of the lock-up clutch. Then the ecm compares the engagement ...

Short in front driver side - side squib circuit
Description The driver side - side squib circuit consists of the center airbag sensor and the front seat side airbag lh. This circuit instructs the srs to deploy when the deployment conditions are met. These dtcs are recorded when a malfunction is detected in the driver side - side sq ...

Can bus line
Description When any dtc for the can communication system is output, first measure the resistance between the terminals of the dlc3 to specify the trouble area, and check that there is not a short in the can main wire, between the main wire, to +b, or to gnd. Wiring diagram Inspecti ...

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