Fuel consumption information
Key informationDiagnosis system
Description
When troubleshooting on-board diagnostic (obd
ii) vehicles, the vehicle must be connected to the
obd ii scan tool (complying with sae j1987).
Various data output from the vehicle's ecm can
then be read.
Obd ii regulations require that the vehicle's onboard
computer ...
General information
A large number of ecu controlled systems are used in the
rav4. In general, ecu controlled systems are considered to
be very intricate, requiring a high level of technical knowledge
to troubleshoot. However, most problem checking procedures
only involve inspecting the ecu controlled system's circ ...
Fuel pump control circuit
Description
When the engine is cranked, the starter relay drive signal output from the
star terminal of the ecm is
input into the sta terminal of the ecm, and ne signal generated by the
crankshaft position sensor is also
input into the ne+ terminal. Thus, the ecm interprets that the engine is ...