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:

Checking the coolant
The coolant level is satisfactory if it is between the "FULL" and "LOW" lines on the reservoir when the engine is cold. Reservoir cap "FULL" line "LOW" line If the level is on or below the "LOW" line, add coolant up to the "FULL" line. ■Coolant selection Only use "Toyota Super Long Life Cool ...

Transmission range sensor circuit malfunction (prndl input)
Description The park/neutral position (pnp) switch detects the shift lever position and sends signals to the ecm. Monitor description These dtcs indicate a problem with the park/neutral position switch and the wire harness in the park/ neutral position switch circuit. The park/neu ...

Installation
Replace roof carrier seal Remove the seals. Install new seals as shown in the illustration. Install roof rack leg front lh Install the leg cushion front. Install the roof rack leg front with the 2 screws. Torque: 2.8 To 5.0 N*m (29 to 51 kgf*cm, 25 to 44 in.*Lbf) ...