Toyota RAV4 manuals

Toyota RAV4 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:

Tire pressure warning ecu
Components Removal Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove glove compartment door assembly (see page i ...

Glossary of sae and toyota terms
This glossary lists all sae-j1930 terms and abbreviations used in this manual in compliance with sae recommendations, as well as their toyota equivalents. ...

Parking brake cable
Components Removal Remove rear console box sub-assembly Remove the rear console box (see page ip-16). Hint: Refer to the procedures from the removal of the no. 1 Console upper panel garnish up until the removal of the rear console box sub-assembly. Loosen lock nut and no. ...

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