Toyota Corolla Cross: Door / Hatch

 Backup Boost Converter "A" (P323A00,P323A16,P323B14,P323B29,P323B38)

DESCRIPTION A backup boost converter is built into the engine stop and start ECU. The backup boost converter helps maintain auxiliary battery voltage to prevent various functions from failing if power source voltage supplied from the backup boost converter drops due to the high electrical load whe

 Fuel Pump Control General Electrical Failure (P12D501)

DESCRIPTION Refer to DTC P062712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P12D501 Fuel Pump Control General Electrical Failure When the fuel pump control ECU operation duty ratio is 3 to 65%, the fuel pump control ECU