Toyota Corolla (E120): Idle air control System/ Circuit

Dtc p0505 idle air control system

Dtc p0511 idle air control circuit

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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 ...

Dtc check/clear
1. Dtc check (normal mode) Notice: hand–held tester only: when the diagnostic system is switched from the normal mode to the check mode, all the dtcs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the dtcs and freeze frame data, and ...

Spiral cable sub–assy
Components Replacement Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Place front wheels facing straight ahead  check that the front wheels are facing straight ahead. 4. Remove horn button assy 5. Remove steering wheel assy  sst 09950–50013 ...