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Home >> Volvo >> 2000 >> C70 2D Convertible, 2.3 53, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel, Ignition And Engine Control Systems - Specifications, Electrical/Electronic (Convertible) >> Electrical Specifications (B5244S; 2000) >> Knock sensor
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Knock sensor

The knock sensor gives engine control module (ECM) information if it registers damaging knocking ignition. Some engines have both a front and rear knock sensor.

The values should be regarded as approximate.

Knock sensor

Type Voltage feed (# component pin) Value (# component pin) Miscellaneous (# component pin)
Piezo-electric crystal - 200 80 kΩ
(#1 - #2)
(#1) +
(#2) -