LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2007 >> FX45 >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> Brake Signal Circuit >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK CAN COMMUNICATION LINE 

    Perform the self-diagnosis. Refer to "SELF-DIAGNOSTIC RESULT MODE ", "DIAGNOSTIC PROCEDURE WITHOUT CONSULT-II ".

    Is a malfunction in the CAN communication indicated in the results? 

    Yes: Check CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE ".

    No: GO TO 2.

  2. CHECK STOP LAMP SWITCH CIRCUIT 

    With CONSULT-II 

    1. Turn ignition switch ON.
    2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
      3. Fig 1: Identifying CONSULT-II Display - DATA MONITOR
      G04900971Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Read out ON/OFF switching action of the "BRAKE SW".
    STOP LAMP SWITCH CIRCUIT

    Item name Condition Display value
    BRAKE SW Depressed brake pedal. ON
    Released brake pedal. OFF

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO 3.

  3. CHECK STOP LAMP SWITCH 

    Check continuity between stop lamp switch harness connector E210 terminals 1 and 2. Refer to "WIRING DIAGRAM - AT - NONDTC ".

    Fig 2: Checking Continuity Between Stop Lamp Switch Connector Terminals 1 And 2
    G04909679Courtesy of NISSAN MOTOR CO., U.S.A.
    STOP LAMP SWITCH

    Condition Continuity
    When brake pedal is depressed Yes
    When brake pedal is released No

    Check stop lamp switch after adjusting brake pedal - refer to  "BRAKE PEDAL ".

    OK or NG

    OK: Check the following items. If NG, repair or replace damaged parts.

    • Harness for short or open between battery and stop lamp switch.
    • Harness for short or open between stop lamp switch and unified meter and A/C amp.

      NG: Repair or replace the stop lamp switch.

scientia non olet · About LEMON Manuals