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Fig. 271: Identifying A24 & D74 ECM Connectors Terminals n. Reconnect the air switching valve (bank 1). o. Reconnect the air switching valve (bank 2). p. Reconnect the VVT sensor (bank 1) connector. q. Reconnect the VVT sensor (bank 2) connector. NG : REPAIR OR REPLACE HARNESS OR CONNECTOR OK : REPLACE ECM (See REMOVAL ) FUEL PUMP CONTROL CIRCUIT DESCRIPTION The fuel pump circuit consists of the ECM, fuel pump and fuel pump ECU (which operates the fuel pump). WIRING DIAGRAM Proceed to P0230 . INSPECTION PROCEDURE
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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