Toyota RAV4 (XA40) 2013-2018 Service Manual: Circuit inspection

Toyota RAV4 (XA40) 2013-2018 Service Manual / Introduction / How to troubleshoot ecu controlled systems / How to proceed with troubleshooting / Circuit inspection

A description of the main areas of each circuit inspection is below.

Item	Description
description	The major role, operation of the circuit and its component parts are explained.
Dtc no., Dtc detection condition, trouble area	Indicates the diagnostic trouble codes, diagnostic trouble code detection conditions, and trouble areas of a problem.
Wiring diagram	This shows a wiring diagram of the circuit. Use this diagram together with electrical wiring diagram to thoroughly understand the circuit.
Inspection procedures	Use the inspection procedures to determine if the circuit is normal or abnormal. If abnormal, use the inspection procedures to determine whether the problem is located in the sensors, actuators, wire harnesses or ecu.
Inspection procedure connector illustrations	Connector being checked is connected: connections of tester are indicated by (+) or (-) after the terminal name. Connector being checked is disconnected: for illustrations of inspections between a connector and body ground, information about the body ground is not shown in the illustration.

Problem symptoms table

When a "normal" code is output during a dtc check but the problem is still occurring, use the problem symptoms table. The suspected areas (circuits or parts) for each problem symptom are ...

Electronic circuit inspection procedure

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Other materials:

Lubrication system
On-vehicle inspection Check engine oil level Warm up the engine, stop the engine and wait for 5 minutes. Check that the engine oil level is between the l and f marks of the oil dipstick. If low, check for leakage and add oil up to the f mark. Notice: Do not add engine oil a ...

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 ...

Evaporative emission control system incorrect purge flow
Dtc summary Description The description can be found in the evap (evaporative emission) system (see page es-335). Inspection procedure Refer to the evap system (see page es-340). Monitor description The two monitors, key-off and purge flow, are used to detect malfunctions relating ...