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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Heater & air conditioner
Preparation Sst Recomended tools Equipment Lubricant ...

Key confinement prevention function does not work properly (unlock warning switch circuit)
Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...