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:

Installation
Hint: A bolt without a torque specification is shown in the standard bolt chart (see page ss-2). Install front seat inner belt assembly (for power seat) Install the front seat inner belt assembly with the nut. Torque: 42 n*m (428 kgf*cm, 31 ft.*Lbf) Notice: Do not overlap the ...

Front occupant classification sensor rh collision detection
Description Dtc b1786 is output when the occupant classification ecu receives a collision detection signal sent by the front occupant classification sensor rh when an accident occurs. Dtc b1786 is also output when the front seat assembly rh is subjected to a strong impact, even if an a ...

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. If the result is not as specified, the ecu may have a malfunction. ...

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