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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

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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