Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 in the table. The suspected areas are listed in order of probability. A description of each of the chart's columns is below.
Hint: in some cases, the problem is not detected by the diagnostic system even though a problem symptom is present. It is possible that the problem is occurring outside the detection range of the diagnostic system, or that the problem is occurring in a completely different system.
Diagnostic trouble code chart
Look for output diagnostic trouble codes (dtcs) (from the
dtc checks) in the appropriate section's diagnostic trouble
code chart. Use the chart to determine the trouble area and
the proper inspecti ...
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
explai ...
Other materials:
Ecm power source circuit
Description
When the ignition switch is turned on, the battery voltage is applied to the
igsw of the ecm. The output
signal from the mrel terminal of the ecm causes a current to flow to the coil,
closing the contacts of the
integration relay (efi main relay) and supplying power to either term ...
Steering wheel audio switches
Some audio features can be controlled using the switches on
the steering wheel.
Operation may differ depending on the type of audio system or
navigation system. For details, refer to the manual provided with
the audio system or navigation system.
Operating the audio system using the steering ...
Precaution
Handling precautions for srs airbag
system
Handling precautions for srs airbag system (see
page rs-1).
Handling precautions for steering
column
When handling the steering column assembly.
Avoid any impact to the steering column
assembly, especially to the motor or ...
