LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2602: Vehicle Speed Value With Selector Lever In P-Position >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK DTC OF COMBINATION METER

    Check DTC in "Self Diagnostic Result" mode of "METER/M&A" using CONSULT.

    Is DTC detected?

    YES 

    Perform the trouble diagnosis related to the detected DTC. Refer to DTC INDEX .

    NO 

    GO TO STEP 2  .

  2. CHECK A/T SHIFT SELECTOR POWER SUPPLY

    1. Turn ignition switch OFF.
    2. Disconnect A/T shift selector (detention switch) connector.
    3. Check voltage between A/T shift selector (detention switch) harness connector and ground.
      (+) (-) Voltage (V)
      (Approx.)
      A/T shift selector (detention switch)
      Connector Terminal
      M57 13 Ground 12

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    GO TO STEP 3  .

  3. CHECK A/T SHIFT SELECTOR POWER SUPPLY CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between A/T shift selector (detention switch) harness connector and BCM harness connector.
      A/T shift selector (detention switch) BCM Continuity
      Connector Terminal Connector Terminal
      M57 13 M71 104 Existed
    3. Check continuity between A/T shift selector (detention switch) harness connector and ground.
      A/T shift selector (detention switch) Ground Continuity
      Connector Terminal
      M57 13 Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness.

  4. REPLACE BCM

    1. Replace BCM. Refer to REMOVAL AND INSTALLATION .
    2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

    INSPECTION END

  5. CHECK A/T SHIFT SELECTOR CIRCUIT

    1. Disconnect BCM connector and IPDM E/R connector.
    2. Check continuity between A/T shift selector (detention switch) harness connector and BCM harness connector.
      A/T shift selector (detention switch) BCM Continuity
      Connector Terminal Connector Terminal
      M57 14 M68 37 Existed
    3. Check continuity between A/T shift selector (detention switch) harness connector and ground.
      A/T shift selector (detention switch) Ground Continuity
      Connector Terminal
      M57 14 Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Repair or replace harness.

  6. CHECK A/T SHIFT SELECTOR (DETENTION SWITCH)

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Replace A/T shift selector. Refer to REMOVAL AND INSTALLATION .

  7. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END

scientia non olet · About LEMON Manuals