1A
DTC P0325: Knock Sensor Circuit Malfunction
NOTE:
Fault finding procedure application conditions for stored DTC:
The DTC is detected when engine is running at idle speed.
Detecting Condition
Status displayed on SUZUKI scan tool Detecting condition Indicator / Warning light operation
D2 No signal Injection warning light (gravity 1 fault) light up.
Troubleshooting
Check the connection and condition of the knock sensor connector.
Repair if necessary.
Check the connection and condition of the ECM “C47” connector and the sensor shielding on “C47-9”.
Repair if necessary.
Check for insulation, continuity and absence of interference resistance of the connections:
• Between “C12-1” wire of knock sensor connector and “C47-13” terminal of ECM connector
• Between “C12-2” wire of knock sensor connector and “C47-12” terminal of ECM connector
Repair if necessary.
Check that the fuel injector calibration codes are correctly entered on the ECM.
Check that the knock sensor is secure on the engine.
Retightening the knock sensor.
Clear DTC.
Carry out a road test followed by another check with the SUZUKI scan tool.
If the fault persists, replace the knock sensor.
After Repair
Deal with any faults detected by SUZUKI scan tool.
Clear the DTC.
Carry out a road test followed by another check with the SUZUKI scan tool.