Toyota Corolla Cross: Water Pump

 ECU Power Source Circuit

DESCRIPTION If the ignition switch is ON, the hybrid vehicle control ECU applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the +B1 terminal. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: After the ignition switch is turned off, there may be a waitin

 Cylinder 1 Injector "B" Circuit Open (P21CF13,P21D013-P21D213)

DESCRIPTION The D-4S system has two injection systems. One is an in-cylinder direct injection system that directly injects pressurized fuel into the combustion chamber. The other is an intake port injection system. The ECM determines the percentage of direct injection and port injection necessary in