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Circuit/System Verification

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  1. Engine running for 10 s.
  2. Ignition ON/Vehicle In Service Mode, engine OFF, verify DTC U0400-U05FF is not set.
    • If DTC U0400-U05FF is set without other DTCs set or symptoms 
    1. Program the device specified by the DTC descriptor.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the appropriate device.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If DTC U0400-U05FF is not set 
  3. All OK
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