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Home >> Suzuki >> 2006 >> Reno Premium, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Performance - DTC P0401 - P0507 >> DTC P0403: Exhaust Gas Recirculation (EGR) Solenoid Control Circuit >> Troubleshooting
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DTC P0403: Exhaust Gas Recirculation (EGR) Solenoid Control Circuit: Troubleshooting

TROUBLESHOOTING CHART

Step Action Value(s) Yes No
1 Perform an On-Board Diagnostic (OBD II) System Check.
Is the system check complete?		 - Go to Step 2 Go to On-Board Diagnostic (OBD II) System Check
2
  1. Turn the ignition switch to LOCK.
  2. Disconnect the EGR solenoid connector.
  3. Check for an open or short in the wire between the EGR connector terminal 5 and the main relay terminal 87.
  4. Check for an open or short in the wire between the EGR connector terminal 1 and the ECM connector terminal E53.

Is the problem found?		 - Go to Step 3 Go to Step 4
3
  1. Repair the wire or the connector terminals as needed.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic (OBD II) System Check.

Is the repair complete?		 - System OK -
4
  1. Connect the EGR solenoid connector.
  2. Turn the ignition switch ON.
  3. Using the Digital Voltmeter (DVM), measure the voltage between the EGR connector terminal 1 and the battery positive.

Is the voltage reading between the specified values?		 12 - 13 V Go to Step 6 Go to Step 5
5
  1. Replace the EGR valve.
  2. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  3. Perform an On-Board Diagnostic System Check.

Is the repair complete?		 - System OK -
6
  1. Replace the ECM.
  2. Perform an On-Board Diagnostic System Check.

Is the repair complete?		 - System OK -
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