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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Engine Control System) >> Electrical Load Signal >> Diagnostic Procedure >> 4. Check Rear Window Defogger Input Signal Circuit For Open Or Short
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4. Check Rear Window Defogger Input Signal Circuit For Open Or Short

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Stop engine.
  2. Disconnect rear window defogger and door mirror defogger relay.
  3. Disconnect combination meter harness connector.
  4. Check harness continuity between rear window defogger and door mirror defogger relay terminals 5, 7 and combination meter terminal 25.

    Refer to WIRING DIAGRAM .

    Continuity should exist. 

  5. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 6. CHECK COMBINATION METER .
  2. NG: GO TO 5.
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