Toyota Corolla (E120) 2002–2008 Repair Manual / Lubrication / Oil pump assy
Toyota Corolla (E120): Oil pump assy
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Abbreviations used in this manual
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Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm
in order to control the hydraulic
pressure operation, the lock–up relay valve, which then the controls operation
of the lock–up clutch.
Fail safe function:
if the ecm detects a malfunction, it turns the ...