Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: How to proceed with troubleshooting

Toyota RAV4 (XA40) 2013-2018 Service Manual / Can communication / How to proceed with troubleshooting

Notice:

Hint:

  1. Vehicle brought to workshop


  1. Inspect battery voltage

Standard voltage:: 11 to 14 v

If the voltage is below 11 v, recharge or replace the battery before proceeding.


  1. Check can bus line

  1. Check the can bus line (see page ca-75).


  1. Check installed systems (ecu and sensor) that use can communication


  1. Check and clear dtc*


  1. Check intelligent tester via can vim*

  1. Select "communication bus check" (see page ca- 34).

Toyota RAV4. Check intelligent tester via can vim*


Notice:


  1. Dtc combination table

  1. Confirm the trouble according to the combination of output dtcs regarding the can communication system.

Hint:

Previous can communication system dtcs may be the cause if can communication system dtcs are output and all ecus and sensors connected to the can communication system are displayed on the intelligent tester "communication bus check" screen.

  1. Check the dtc combination table (see page ca-34).


  1. Circuit inspection


  1. Identify problem


  1. Repair or replace


  1. Confirmation test


End

System description
Brief description The can (controller area network) is a serial data communication system for real time application. It is a vehicle multiplex communication system which has a high comm ...

Problem symptoms table
 (2005/11-2006/01) (2006/01- ) Hint: *: For 4wd ...

Other materials:

Compressor lock sensor circuit
Description This sensor sends 1 pulse per engine revolution to the air conditioning amplifier. If the ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the air conditioning amplifier turns the compressor off, and the indicator blinks at appro ...

Checking monitor status
Perform monitor drive pattern Connect the intelligent tester to the dlc3. Turn the ignition switch and the tester on. Clear the dtcs (see page es-35). Run the vehicle in accordance with the applicable drive pattern described in readiness monitor drive pattern (see page es-19). Do ...

Fail-safe chart
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 system, operates to prevent the system from malfunctioning. The table below shows the effects on e ...

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