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:

Footwell light circuit
Description The main body ecu receives information regarding the door lock position switch and ignition switch, and turns on each foot light. Wiring diagram Inspection procedure Perform active test by intelligent tester (main body ecu) Connect the intelligent tester (with can vim ...

Random / multiple cylinder misfire detected
Description When the engine misfires, high concentrations of hydrocarbons (hc) enter the exhaust gas. Extremely high hc concentration levels can cause increases in exhaust emission levels. High concentrations of hc can also cause increases in the three-way catalytic converter (twc) te ...

Driver side seat belt buckle switch circuit malfunction
Description The driver side seat belt buckle switch circuit consists of the center airbag sensor and the front seat inner belt lh. Dtc b1655/37 is recorded when a malfunction is detected in the driver side seat belt buckle switch circuit. Wiring diagram Inspection procedure ...