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Home >> Honda >> 2012 >> Insight EX >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P1448 (63): Intelligent Power Unit (IPU) Module Fan Problem >> Driving Pattern
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Driving Pattern

  1. Reset the MCM. (Disconnect the 12 V battery terminal once and reconnect it.)
  2. Start the engine, and hold the engine speed to between 3,500 - 4,000 rpm (in P or N).
  3. Confirm that the air is flowing from the IPU module fan duct.
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