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Home >> Suzuki >> 2006 >> Verona Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTC P0221 Through P0459 >> DTC P0351: Ignition Coil 1 Control Circuit >> 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 Check for a faulty connection or damaged terminal B at the Electronic Ignition (EI) system ignition coil and repair as needed.
Is the repair complete?		 - Go to Step 8. Go to Step 3.
3 Check for a faulty connection or damaged terminal A31 at the Engine Control Module (ECM) and repair as needed.
Is the repair complete?		 - Go to Step 8. Go to Step 4.
4
  1. Ignition OFF.
  2. Disconnect the ECM connector.
  3. Check the ignition control circuit for a short to ground and repair as needed.

Is the repair complete?		 - Go to Step 8. Go to Step 5.
5 Check the ignition control circuit for a short to voltage and repair as necessary.
Is the repair complete?		 - Go to Step 8. Go to Step 6.
6 Check an open ignition control circuit and repair as needed.
Is the repair complete?		 - Go to Step 8. Go to Step 7.
7
  1. Turn the ignition OFF.
  2. Replace the ECM.

Is the repair complete?		 - Go to Step 8. -
8
  1. Using the scan tool, clear the Diagnostic Trouble Codes (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 9. Go to Step 2.
9 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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