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:

Weight limits
The gross trailer weight must never exceed the TWR described below. Without towing package 1500 lb. (680 kg) With towing package 3500 lb. (1590 kg) The gross combination weight must never exceed the GCWR described below. Without towing package Vehicles without Dynamic Torque Vectoring AWD ...

Only rear door rh lock / unlock functions do not operate
Description The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly. Wiring diagram Inspection procedure Inspect rear door with motor lock assembly rh Apply the battery voltage to the door lock motor and check the operation of th ...

Daytime running light relay
On-vehicle inspection Inspect day time running light relay Remove the no. 2 Relay, no. 3 Relay and no. 4 Relay from the engine room no. 2 Relay block. Measure the resistance of the relays. Standard resistance: No. 2, No. 4 No. 3 If the result is not as specified, replace th ...