Toyota SequoiaSW#89663-0CA71- MOD_E2_sap_off.bin Firmware
A catalog overview of Toyota SequoiaSW#89663-0CA71- MOD_E2_sap_off.bin and its secondary air injection variant label.
SequoiaSW#89663-0CA71- MOD_E2_sap_off.bin is a modified Toyota Sequoia engine-control firmware file labeled for secondary air injection, or SAP, off. The related 89663-0CA71 identifier belongs to Toyota’s engine control software part-number family.
What SAP off means
The secondary air injection system helps reduce emissions during cold starts by supplying fresh air to the exhaust. That oxygen helps the catalytic converters warm up and begin working effectively sooner. The engine control module commands the system and monitors its operation.
In this filename, sap_off indicates a modification associated with disabling secondary air injection functionality or its monitoring. The name alone does not establish which commands or diagnostic checks were changed. MOD_E2 is a variant label, but its precise meaning is not established by the identifier.
Catalog identification
The SequoiaSW prefix associates the file with the Toyota Sequoia, while 89663-0CA71 identifies the related software record. The catalog name does not establish an exact model year, engine, market or compatible control module.