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MONITOR DESCRIPTION To monitor the fuel pump circuit, the ECM checks the fuel pump control signal (FPC) and diagnostic signal WIRING DIAGRAM Fig. 109: Fuel Pump - Wiring Diagram INSPECTION PROCEDURE This troubleshooting procedure is based on the premise that the engine is started. If the engine is not started, 1. CHECK FOR DTC (B1500) a. Connect the Techstream to the DLC3. b. Turn the ignition switch to ON. c. Turn the Techstream ON. P0230 When either condition below is met When fuel pump is operating: Remaining fuel is 17 L Dl terminal output is When fuel pump is not Dl terminal output is Open or short in fuel pump Fuel pump Fuel pump ECU ECM
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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