PROCEDURE
(a) Check if a registered portable player can be deleted normally. OK: Registered portable player can be deleted normally.
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Toyota Tundra Service Manual > Sfi System: Fuel Pump Control Circuit
DESCRIPTION The fuel pump circuit consists of the ECM, fuel pump and fuel pump ECU (which operates the fuel pump). Based on the engine output, the ECM determines the fuel pump speed. The speed is then converted to a duty signal and sent to the fuel pump ECU. Based on the signal sent from the ECM, th ...
