Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Definition of terms

Terms

Definition

Monitor description Description of what ecm monitors and how detects malfunctions (monitoring purpose and details).
Related dtcs Group of diagnostic trouble codes that are output by ecm based on same malfunction detection logic.
Typical enabling condition Preconditions that allow ecm to detect malfunctions.

With all preconditions satisfied, ecm sets dtc when monitored value(s) exceeds malfunction threshold(s).

Sequence of operation Order of monitor priority, applied if multiple sensors and components involved in single malfunction detection process.

Each sensor and component monitored in turn, when previous detection operation completed.

Required sensor/components Sensors and components used by ecm to detect each malfunction.
Frequency of operation Number of times ecm checks for each malfunction during each driving cycle.

"Once per driving cycle" means ecm only performs checks for that malfunction once during single driving cycle.

"Continuous" means ecm performs checks for that malfunction whenever enabling conditions met.

Duration Minimum time for which ecm must detect continuous deviation in monitored value(s) in order to set dtc. Timing begins when typical enabling conditions met.
Malfunction thresholds Value, beyond which, ecm determines malfunctions exist and sets dtcs.
Mil operation Timing of mil illumination after malfunction detected.

"Immediate" means ecm illuminates mil as soon as malfunction detected.

"2 Driving cycle" means ecm illuminates mil if same malfunction detected second time during next sequential driving cycle.

Precaution
Notice: Perform reset memory (at initialization) when replacing the automatic transmission assembly, engine assembly or ecm (see page ax-18). Perform registration (vin registration) when r ...

Parts location
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Other materials:

Engine (ignition) switch (vehicles with smart key system)
Performing the following operations when carrying the electronic key on your person starts the engine or changes engine switch modes. Starting the engine 1. Pull the parking brake switch to check that the parking brake is set. The parking brake indicator will come on. 2. Check that the shift lever i ...

Terminals of ecu (2006/01- )
Check air conditioning amplifier Measure the voltage and resistance of the connectors. Hint: Check from the rear of the connector while it is connected to the air conditioning amplifier. Hint: *: For 2gr-fe Using an oscilloscope, check waveform 1. A/c compressor* ...

Customize parameters
Hint: The following items can be customized. Notice: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooting a function, first make sure that the fu ...

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