LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2000 >> S80 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Components - Specifications >> Engine Electrical >> Component specifications (5-cylinder normally aspirated engines 1999-) >> Knock sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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) -