Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 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:

Catalyst system efficiency below threshold (bank 1)
Monitor description The ecm uses sensors mounted in front of and behind the three-way catalytic converter (twc) to monitor its efficiency. The first sensor, the air-fuel ratio (a/f) sensor, sends pre-catalyst information to the ecm. The second sensor, the heated oxygen (ho2) sensor, se ...

Headlight switch
The headlights can be operated manually or automatically. Turning on the headlights Operating the switch turns on the lights as follows: U.S.A. (Type A) The side marker, parking, tail, license plate, instrument panel lights, and daytime running lights turn on. The headlights and all light ...

Cooling fan system
Parts location System diagram On-vehicle inspection Hint: It is normal for the cooling fan to sometimes rotate when the ignition switch is turned from acc to on. Check cooling fan operation at low temperatures (below 94°c (201°f)) Turn the ignition switch on with the a/c ...

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