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Home >> Suzuki >> 2010 >> Grand Vitara Limited, 3.2 1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine General Information And Diagnosis (N32A) >> Diagnostic Information and Procedures >> DTC P0324: Knock Control System Error >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  DTC recheck 
  1. Clear DTC.
  2. Turn ignition switch to OFF position.
  3. Perform confirmation procedure and check DTC.

Is DTC P0324 still detected? 		 Go to Step 3. Check for intermittent trouble.
3  Knock sensor and its circuit check 
  1. Check knock sensor and its circuit according to Step 2 through 3 under DTC P0326/P0327/P0328/P0331/P0332/P0333 .

Are they in good condition? 		 Go to Step 4. Repair or replace defective part.
4  ECM power and ground circuit check 
  1. Check ECM power and ground circuit. See ECM POWER AND GROUND CIRCUIT CHECK .

Are they in good condition? 		 Go to step 5. Repair or replace defective part.
5  Troubleshooting of other DTC(s) at the same time 
Is other DTC(s) detected together? 		 Go to troubleshooting for applicable DTC. Substitute a known-good ECM and recheck.
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