Toyota Firmware SW#89663-60C30-B MOD_E2_sapoff
A catalog reference for Toyota firmware SW#89663-60C30-B MOD_E2_sapoff and its secondary air injection modification label.
SW#89663-60C30-B MOD_E2_sapoff is a modified Toyota engine-control calibration labeled for secondary air injection pump off. The related catalog entry 89663-60C30 identifies the underlying calibration family. The complete modified identifier adds the MOD_E2_sapoff variant label.
What the SAP-off label means
In Toyota terminology, secondary air injection helps reduce exhaust emissions during cold starts. The system pumps fresh air into the exhaust stream so that remaining fuel can oxidize and the catalytic converters can reach operating temperature more quickly. The engine control module coordinates this operation with engine conditions and monitors the system.
The sapoff label indicates a modification associated with turning off secondary air pump operation. The filename alone does not establish exactly which pump commands, diagnostic checks or fault responses were changed. MOD_E2 is part of the variant label, but its precise meaning is not established by the catalog entry.
Reading the calibration identifiers
89663-60C30 is the related base catalog identifier, while SW#89663-60C30-B MOD_E2_sapoff names the modified variant. The identifiers do not establish an exact vehicle application or a revision history. The SAP-off description applies to the filename that carries that label, not automatically to every entry in the base family.