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Toyota Corolla Repair Manual: Torque converter clutch solenoid circuit low/high

Toyota Corolla Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Torque converter clutch solenoid circuit low/high

Dtc p2769 torque converter clutch solenoid circuit low (shift solenoid valve sl)

Dtc p2770 torque converter clutch solenoid circuit high (shift solenoid valve sl)

Inspection procedure
1 Inspect transmission wire(slt) Disconnect the transmission wire connector from the transaxle. measure the resistance according to the value(s) in the table below. Standard: Me ...

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 lockup relay valve, which then the controls operation of th ...

Other materials:

Onvehicle inspection
1. Inspect turn signal flasher relay circuit Disconnect the connector from the turn signal flasher relay and inspect the connector on wire harness side as shown in the chart. Standard: Connect the connector to the turn signal flasher and inspect the wire harness side connector ...

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 ...

Purpose of the readiness tests
The onboard diagnostic (obd ii) system is designed to monitor the performance of emissionrelated components and report any detected abnormalities in the form of diagnostic trouble codes (dtcs). Since the various components need to be monitored during different driving conditions, t ...

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