Toyota Corolla (E120): Knock sensor 1 circuit

Dtc p0325 knock sensor 1 circuit (bank 1 or single sensor)

Dtc p0327 knock sensor 1 circuit low input (bank 1 or single sensor)

Dtc p0328 knock sensor 1 circuit high input (bank 1 or single sensor)

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Vehicle lift and support locations
1. Notice about vehicle condition when jacking up As a rule, the vehicle must be unloaded when jacking up. Never jack up or lift up the vehicle loaded with things of heavy weight.  when removing any parts of heavy weight like the engine and transmission, the center of gravity of ...

Overhaul
1. Remove manual transmission filler plug Remove the manual transmission filler plug and gasket from the manual transmission case. 2. Remove drain (mtm) plug sub–assy Remove the drain (mtm) plug sub–assy and gasket from the manual transmission case. 3. Remove speedomete ...

Inspection procedure


Hand–held tester: 1 Check operation of stop light Check if the stop lights go on and off normally when the brake pedal is depressed and released. 2 Inspect stop light switch assy Check the resistance between the terminals when the switch is turned on and off. Standard: ...