Toyota RAV4 manuals

Toyota RAV4 Service Manual: Diagnosis system

  1. Check dlc3

Toyota RAV4. Check dlc3


  1. Check the dlc3: the power steering ecu uses can (iso11898-1) and iso9141-2 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso9141-2 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 the 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.

  1. Warning light

Toyota RAV4. Warning light


  1. When a problem occurs in the electronic power steering system, the p/s warning light on the combination meter comes on to inform the driver of the problem.
Terminals of ecu
Check power steering ecu Hint: Measurements cannot be performed on the c connector side of the power steering ecu. Measure the voltage and resistance of the connectors. ...

Dtc check / clear
Check dtc When using intelligent tester: Connect the intelligent tester (with can vim) to the dlc3. Turn the ignition switch on and press the intelligent tester main switch on ...

Other materials:

Diagnosis system
Description Sliding roof system data and diagnostic trouble codes (dtcs) can be read through the vehicle's data link connector 3 (dlc3). When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs. Check dlc3 The vehi ...

Only rear door rh lock / unlock functions do not operate
Description The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly. Wiring diagram Inspection procedure Inspect rear door with motor lock assembly rh Apply the battery voltage to the door lock motor and check the operation of th ...

Multiplex communication circuit
Description The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system. Wiring diagram Inspection procedure Check dtc Clear the dtc (see page ac-31). Read the dtc (see page ac-31). Result Go to can c ...

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