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:

Throttle actuator control motor current range / performance
Description The etcs (electronic throttle control system) has a dedicated power supply circuit. The voltage (+bm) is monitored and when it is low (less than 4 v), the ecm determines that there is a malfunction in the etcs and cuts off the current to the throttle actuator. When the volt ...

Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle's systems. Brake system warning light*1 Brake system warning light*1 Brake system warning light*1 Charging system warning light (vehicles without 12.3-inch multi-information display)*1 Charging system warning light (vehic ...

Passenger side buckle switch circuit malfunction
Description The passenger side buckle switch circuit consists of the occupant classification ecu and the front seat inner belt rh. Dtc b1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot dtc b1771 first when dtcs b1771 and b1795 ...