Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 replacing the ecm (see page es-13).
Hint:
Initialization cannot be completed by only removing the battery.
Sfi system
...
Definition of terms
Terms
Definition
Monitor description
Description of what ecm monitors and how detects malfunctions
(monitoring purpose and
details).
Related dtcs
Group of diag ...
Other materials:
Steering angle sensor zero point malfunction
Description
The skid control ecu learns the steering sensor zero point every time the
ignition switch is turned on and
the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds.
The ecu also stores the
previous zero point.
If front wheel alignment or the steering wh ...
Internal control module random access memory (ram) error
Description
The ecm continuously monitors its own internal memory status, internal
circuits, and output signals
transmitted to the throttle actuator. This self-check ensures that the ecm is
functioning properly. If any
malfunction is detected, the ecm sets the appropriate dtc and illumina ...
Removal
Discharge fuel system pressure (see page
fu-9)
Drain coolant (see page co-6)
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 ...
