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:

Front seat cushion heater
Inspection Inspect front seat cushion heater assembly lh Measure the resistance of the seat cushion heater. Standard resistance If the result is not as specified, replace the seat cushion heater assembly. Heat the thermostat with a light. Measure the resistance of the sea ...

Auto lsd indicator light does not come on
Description Refer to the description of "auto lsd indicator light remains on" (see page bc-164). Wiring diagram Refer to the auto lsd indicator light circuit (see page bc-165). Inspection procedure Check can communication system Check if the can communication system dtc is ...

Driver side - side airbag sensor assembly initialization incomplete
Description The side airbag sensor lh consists of part including the diagnostic circuit and the lateral deceleration sensor. When the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether or not the srs should be activated. Dtc b1623/81, b ...