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1998 HONDA PASSPORT
3.2L V6•AWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor496Torque1452Fluid10DTC1650Battery1Maintenance0Recalls6
P1633high severityPowertrain

IMA System Malfunction

on 1998 Honda Passport 3.2L V6 · AWD

What this code means

The Integrated Motor Assist system has detected an internal fault affecting hybrid operation. This is a Honda manufacturer-specific code with no direct generic OBD-II equivalent.

Symptoms

  • IMA warning light on
  • Loss of hybrid assist
  • Battery not charging properly

Common causes

  • Faulty IMA control unit
  • High-voltage battery degradation
  • Wiring or connector fault
  • Motor or inverter failure

Diagnostic steps

  1. Retrieve hybrid system codes
  2. Inspect IMA control unit and connectors
  3. Test high-voltage battery condition
  4. Check inverter and motor circuits
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Other Powertrain codes on this vehicle

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