Toyota Corolla Cross: General
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GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general,
ECU controlled systems are considered to be very intricate, requiring a high
level of techn
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MONITOR DESCRIPTION The auxiliary battery supplies electricity to the ECM even when the ignition switch is off. This power allows the ECM to store data such as DTC history, Freeze Frame Data and fuel trim values. If the auxiliary battery voltage falls below a minimum level, the memory is cleared and
TERMINALS OF ECU HYBRID VEHICLE CONTROL ECU
Connector Code Terminal No.
Symbol Terminal Description
I249 1
E1 ECU ground
2 -
- 3
SMRB System main relay operation signal output (SMRB)
4 M
Transmission control in
