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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1805: Brake Switch >> Diagnostic Procedure >> 1. Check Stop Lamp Switch Circuit
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1. Check Stop Lamp Switch Circuit

  1. Turn ignition switch OFF.
  2. Check the stop lamp when depressing and releasing the brake pedal.

OK or NG 

OK: GO TO 4.

NG: GO TO 2.

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