2.
Probe(+) : Knock sensor signal circuit NO1.
Probe(-) : Knock sensor ground circuit NO2.
a.
Specification: 20℃(68℉) : about 5 ㏁±10%
Measure resistance of Knock sensor signal circuit between ground circuit.
Probe(+) : Knock sensor signal circuit NO1.
Probe(-) : Knock sensor ground circuit NO2.
Specification: 20℃(68℉) : about 5 ㏁±10%
Does each resistance indicate continuity circuit?
YES
Temporarily install a known good knock sensor and check for proper operation
If problem is corrected, replace kock sensor
NO
Open circuit in knock sensor
Repair as necessary and go to "Verification of Vehicle Repair" procedure
