Toyota Corolla Cross: M20a-fks (battery / Charging)

 Passenger Frontal Stage 1 Deployment Control Circuit Short to Battery (B001012)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode B001012 Passenger Frontal Stage 1 Deployment Control Circuit Short to Battery One of the following conditions is met: The airbag ECU assembly

 ECU Power Source Circuit

DESCRIPTION When the ignition switch is ON, auxiliary battery voltage is applied to terminal MREL of the ECM through the coil of the EFI-MAIN relay. This causes the EFI-MAIN relay to close, which supplies power to terminal +B of the TCM. WIRING DIAGRAM Refer to DTC U010087. Click here CAU