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:

Deterioration of battery
Description The ecm determines the battery power according to the voltage of the batt terminal while the engine is running (not cranking). Inspection procedure Inspect battery Inspect the battery specific gravity. Check the specific gravity of each cell. Standard gravity: ...

System check
Hint: Performing a system check enables the system, which consists of multiple actuators, to be operated without removing any parts. In addition, it can show whether or not any dtcs are set, and can detect potential malfunctions in the system. The system check can be performed with the intelli ...

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-127). Read the dtc (see page ac-127). Result Go to can ...

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