Toyota Corolla (E120): Shift solenoid ”a” control circuit low/high

Dtc p0973 shift solenoid ”a” control circuit low (shift solenoid valve s1)

Dtc p0974 shift solenoid ”a” control circuit high (shift solenoid valve s1)

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Replacement
Hint: for parking brake cable assy no.2, Perform the same procedure to the parking brake cable assy no.3. 1. Remove rear wheel 2. Remove rear brake drum sub–assy 3. Remove rear brake automatic adjust lever lh 4. Remove front brake shoe  sst 09718–00010 5. Remove parking brake sho ...

Coolant
Replacement 1. Drain coolant Caution: to avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.  remove the radiator cap.  loosen the radiator and engine drain plugs, a ...

Circuit description
A flat type knock sensor (non–resonant type) has the structure that can detect the vibration in a wider band of frequency from about 6 khz to 15 khz and has the following features. Knock sensors are fitted on the cylinder block to detect the engine knocking. The sensor contains a piezoele ...