Toyota RAV4 manuals

Toyota RAV4 Service Manual: How to proceed with troubleshooting

Toyota RAV4 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:

How to proceed with troubleshooting
Hint: Perform troubleshooting in accordance with the following flowchart. *: Use the intelligent tester. Vehicle brought to workshop Inspect battery voltage Standard voltage: 11 to 14 v If the voltage is below 11 v, recharge or replace the battery before proceeding. Pr ...

Diagnosis system
Check dlc3 The ecm uses iso 15765-4 for communication. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 15765-4 format. If the result is not as specified, the dlc3 may have a malfunction. Repair or replace the harness and connector. Hint: Conn ...

Removal
Hint: Use the same procedures for the rh side and lh side. The procedures listed below are for the lh side. Remove roof rack support sub-assembly center Remove the 4 roof carrier caps and roof rack support center. Remove roof rack bar front Remove the 4 screws ...

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