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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Automatic Transmission (Re0F10E) (DTC/Circuit Diagnosis) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC P0826: Up And Down Shift SW >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK DTC (COMBINATION METER)

    G-20With CONSULT 

    1. Turn ignition switch ON.
    2. Select "Self Diagnostic Results" in "METER/M&A".

    Is any DTC detected?

    YES 

    Check DTC detected item. Refer to DTC INDEX .

    NO 

    GO TO STEP 2  .

  2. CHECK MANUAL MODE SWITCH POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect CVT shift selector connector.
    3. Turn ignition switch ON.
    4. Check voltage between CVT shift selector harness connector terminal and ground.
      + - Condition Voltage
      (Approx.)
      CVT shift selector
      Connector Terminal
      M78 7 Ground Ignition switch: ON 12 V
      Ignition switch: OFF 0 V
      8 Ignition switch: ON 12 V
      Ignition switch: OFF 0 V
      9 Ignition switch: ON 12 V
      Ignition switch: OFF 0 V
      10 Ignition switch: ON 12 V
      Ignition switch: OFF 0 V

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 4  .

  3. CHECK MANUAL MODE SWITCH

    1. Turn ignition switch OFF.
    2. Check manual mode switch. Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Repair or replace damaged parts.

  4. CHECK CIRCUIT BETWEEN CVT SHIFT SELECTOR AND COMBINATION METER

    1. Turn ignition switch OFF.
    2. Check diode.
    3. Disconnect combination meter connector.
    4. Check continuity between CVT shift selector harness connector terminals and combination meter harness connector terminals.
      CVT shift selector Combination meter Continuity
      Connector Terminal Connector Terminal
      M78 7 M23 43 Existed
      8 45
      9 44
      10 46
    5. Check continuity between CVT shift selector harness connector terminals and ground.
      CVT shift selector - Continuity
      Connector Terminal
      M78 7 Ground Not existed
      8
      9
      10

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Repair or replace damaged parts.

  5. CHECK GROUND CIRCUIT

    Check continuity between CVT shift selector harness connector terminal and ground.

    CVT shift selector - Continuity
    Connector Terminal
    M78 4 Ground Existed

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Repair or replace damaged parts.

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