LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2009 >> Grand Vitara Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine General Information And Diagnosis (N32A)) >> General Description >> OBD System Description - Comprehensive Component (Engine Input) Monitor >> Knock Sensor Circuit Monitor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor Circuit Monitor

WARNING: This page is about a different variant/trim than selected.
OPERATION

DTC(s) Bank 1: P0326, P0327, P0328
Bank 2: P0331, P0332, P0333
Monitor execution Continuous
Monitoring Duration Not applicable
ENABLE CONDITIONS

Parameter Min. Max.
ECT 40 °C (104 °F) -
Engine speed 1,840 RPM -
Engine speed gradient (function of engine speed) 600 - 2,000 RPM/sec. -
Engine load gradient (function of engine speed) 40 - 90 kPa/sec. -
CKP sensor No limp home mode
Knock control circuit (IC) No DTC (P0324)
TYPICAL MALFUNCTION THRESHOLDS

P0326, P0331: 
Faults detected on knock sensor pins per 250 ignitions > 25 counts
P0327, P0332: 
Reference voltage < 0.040 - 0.753 V for consecutive events > 25 counts
P0328, P0333: 
Reference voltage > 1.45 - 11.68 V for consecutive events > 25 counts