Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Pump motor is locked/open circuit in pump motor ground

Toyota Corolla (E120): Pump motor is locked/open circuit in pump motor ground

Dtc c1251/51 pump motor is locked/open circuit in pump motor ground

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Circuit description
In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

Inspection procedure
1 Check operation(starter) Check that the starter operates normally and that the engine starts. 2 Input signal check See input signal check on page 05–745.  check the indicator light when shifting into except d position. Ok: the indicator light goes off when shifting ...

Inspection procedure
1 Inspect parking brake switch circuit Check for open and short circuit in parking brake switch circuit 2 Inspect brake fluid level warning switch circuit Check the brake fluid level in reservoir.  check for open and shot circuit in brake fluid level warning switch circuit ...