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Home >> Suzuki >> 2006 >> Verona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0461 Through U0121 >> DTC P1321: Misfire Segment Time Acquistion Incorrect >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action Value (s) Yes No
1 Perform an ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK .
Was the check performed?		 - Go to Step 2. Go to ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK .
2 Attempt to start the engine.
Does the engine start?		 - Go to Step 3. Refer to Engine Cranks But Will Not Run .
3
  1. Turn the ignition OFF.
  2. Install a scan tool to the Data Link Connector (DLC).
  3. Turn the ignition ON, with the engine OFF.
  4. Review and record Failure Records information.
  5. Clear the Diagnostic Trouble Codes (DTCs).
  6. Start the engine and idle for 1 minute.

Is DTC P1321 set?		 - Go to Step 4. Go to Diagnostic Aids .
4
  1. Remove the crankshaft.
  2. Check for a problem with the crankshaft's visual defection and tooth.

Is a problem found?		 - Go to Step 5. Go to Step 6.
5 Replace the crankshaft.
Is the replacement complete?		 - System OK -
6
  1. Turn the ignition OFF.
  2. Replace the ECM.

Is the repair complete?		 - Go to Step 7. -
7
  1. Using the scan tool, clear the DTCs.
  2. Start the engine and idle at normal operating temperature.
  3. Operate the vehicle within the conditions for setting this DTC as supported in the text.

Does the scan tool indicate that this diagnostic ran and passed?		 - Go to Step 8. Go to Step 2.
8 Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?		 - Go to applicable DTC Table . System OK
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