Toyota Corolla Cross: Backup Boost Converter
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REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 PRECAUTION
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2 DISCONNECT CABLE FROM NEGATIV
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 ECO RUN VEHICLE CONVERTER ASSEMBLY
G92C0B
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SEE MORE:
UTILITY
NOTICE:
If the HV battery has been replaced, make sure to perform the following utilities in the following order: "Battery Status Info Update", "Prediagnostic Battery Charge" then "Battery Diagnosis".
"Have Traction Battery Inspected" is displayed, perform both "Prediagnostic
DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts of the EFI-MAIN NO. 1 relay and sup