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:

Precaution
Notice: Perform the reset memory procedures (a/t initialization) when replacing the automatic transaxle assembly, engine assembly or ecm (see page ax-18). Hint: Reset memory cannot be completed by only reconnecting the cable to the negative (-) battery terminal. Caution: When using compresse ...

Camshaft position "A"
Dtc P0011 Camshaft position "a" - timing over-advanced or system performance (bank 1) Dtc P0012 Camshaft position "a" - timing over-retarded (bank 1) Description The vvt system includes the ecm, oil control valve (ocv) and vvt controller. The ecm sends a target du ...

Front seat concentrated airflow mode (S-FLOW)
This function automatically controls the air conditioning airflow so that priority is given to the front seats. Unnecessary air conditioning is suppressed, contributing to increased fuel efficiency. Front seat concentrated airflow mode operates in the following situations. No passengers are detec ...