Toyota RAV4 (XA40) 2013-2018 Service Manual: Customer problem analysis

Toyota RAV4 (XA40) 2013-2018 Service Manual / Introduction / How to troubleshoot ecu controlled systems / How to proceed with troubleshooting / Customer problem analysis

Hint:

In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
Gather as much information as possible for reference.

Past problems that seem unrelated may also help in some cases.
The following 5 items are important points in the problem analysis:

Toyota RAV4. How to proceed with troubleshooting

Operation flow

Hint: Perform troubleshooting in accordance with the procedures below. The following is an outline of basic troubleshooting procedures. Confirm the troubleshooting procedures for the circuit you a ...

Symptom confirmation and diagnostic trouble code

Hint: The diagnostic system in the rav4 has various functions. The first function is the diagnostic trouble code (dtc) check. A dtc is a code stored in the ecu memory whenever a malfunction ...

Other materials:

Dtc check / clear
Check dtc Hint: When dtc b1650/23 is detected as a result of troubleshooting for the airbag system, troubleshoot the occupant classification system. Use the intelligent tester (with can vim) to read and clear dtcs, otherwise the dtcs cannot be read and cleared. Connect ...

Auto lsd indicator light remains on
Description This is the auto lsd switch for 2wd. When the auto lsd switch is pushed on, the auto lsd function is available and the auto lsd indicator light illuminates. Hint: The auto lsd does not operate even if the auto lsd switch is pressed under the following conditions: The trc or v ...

Front occupant classification sensor lh collision detection
Description Dtc b1785 is output when the occupant classification ecu receives a collision detection signal sent by the front occupant classification sensor lh when an accident occurs. Dtc b1785 is also output when the front seat rh is subjected to a strong impact, even if an actual acc ...