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:

Catalyst system efficiency below threshold (bank 1)
Monitor description The ecm uses sensors mounted in front of and behind the three-way catalytic converter (twc) to monitor its efficiency. The first sensor, the air-fuel ratio (a/f) sensor, sends pre-catalyst information to the ecm. The second sensor, the heated oxygen (ho2) sensor, se ...

Opening/closing the back door (vehicles with power back door)
■ Using the wireless remote control Press and hold the switch. The power back door automatically opens/closes. Pressing the switch while the power back door is opening/closing stops the operation. When the switch is pressed and held again during the halted operation, the back door will perform t ...

Alarm
The alarm uses light and sound to give an alert when an intrusion is detected. The alarm is triggered in the following situations when the alarm is set: Vehicles without smart key system: A locked door is unlocked or opened in any way other than using the wireless remote control or key. (The ...