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 B2601: P-Position Signal / P-Range Signal Variation >> 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 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 4  .

    NO 

    GO TO STEP 2  .

  2. 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 3  .

    NO 

    Repair or replace harness.

  3. 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

  4. CHECK A/T SHIFT SELECTOR CIRCUIT (BCM)

    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 5  .

    NO 

    Repair or replace harness.

  5. CHECK A/T SHIFT SELECTOR CIRCUIT (IPDM E/R)

    Check continuity between A/T shift selector (detention switch) harness connector and IPDM E/R harness connector.

    A/T shift selector (detention switch) IPDM E/R Continuity
    Connector Terminal Connector Terminal
    M57 14 E17 64 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