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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM ES–283 ES DESCRIPTION This vehicle is equipped with a voltage inverter, which supplies power to various electrical appliances. MONITOR DESCRIPTION While the engine is idling, the ECM performs idle-up according to the power supply of the inverter to DTC P1500 AC Inverter Malfunction DTC No. DTC Detection Conditions Trouble Areas P1500 While vehicle running, idle-up signal input to ECM for 10 • Open or short in speed signal circuit • Short between idle-up signal and +B circuits • Voltage inverter • ECM Battery AC 115 V A/C 115 V From: Park/ Neutral Position Switch (For Automatic Transmission) STA Fuse Ignition Main Switch Voltage Inverter Combination Meter ECM SPD ELS2 Speed Idle-up Signal SPD EXCD +B A133425E01 |