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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P3112: Stop Lamp Switch >> Component Inspection (Stop Lamp Switch) >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK STOP LAMP SWITCH - 1

    1. Turn ignition switch OFF.
    2. Disconnect stop lamp switch harness connector.
    3. Check the continuity between stop lamp switch terminals as per the following conditions.
      Stop lamp switch Conditions Continuity
      + -
      Terminal
      3 4 Brake pedal Fully released Not existed
      Slightly depressed Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2  .

  2. CHECK STOP LAMP SWITCH - 2

    1. Adjust stop lamp switch installation. (Refer to INSPECTION AND ADJUSTMENT .)
    2. Check the continuity between stop lamp switch terminals as per the following conditions.
      Stop lamp switch Conditions Continuity
      + -
      Terminal
      3 4 Brake pedal Fully released Not existed
      Slightly depressed Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace stop lamp switch. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .