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 throttle body range / performance
Description The electronic throttle control system (etcs) is composed of the throttle actuator, throttle position (tp) sensor, accelerator pedal position (app) sensor, and ecm. The ecm operates the throttle actuator to regulate the throttle valve in response to driver inputs. The tp senso ...

Transmitter id not registered in main mode
Description Inspection procedure Notice: It is necessary to register an id code after replacing the tire pressure warning valve and transmitter and/or the tire pressure monitor ecu (see page tw-9). Hint: Set the tire pressure to the specified value. Standard pressure: 220 kpa (2.2 ...

Bus ic communication malfunction
Description The air conditioning harness connects the air conditioning amplifier and the servos. The air conditioning amplifier supplies power and sends operation instructions to each servo through the air conditioning harness. Each servo sends damper position information to the air condi ...