But when she cranks, she sees zero signal on T121/12 (the CKP+ line). The ECU is sending no bias voltage.
: Incorrectly jumping a power pin to a signal pin can permanently "brick" (destroy) the ECU's internal processor. Bosch Repair Service Bosch Ecu Pinout Datasheet
: Control lines for fuel injectors, ignition coils, and throttle bodies. But when she cranks, she sees zero signal