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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Security Control System (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC B2605: Shift Position >> 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.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK CVT SHIFT SELECTOR SWITCH FUNCTION

    1. Turn ignition switch ON.
    2. Select "SFT PN-IPDM" and "SFT PN/N SW" in DATA MONITOR mode with CONSULT.
    3. Check "SFT PN-IPDM" and "SFT PN/N SW" indication under the following conditions.
      Monitor item Condition Indication
      SFT PN-IPDM CVT Shift selector Any position other than P (Park) or N (Neutral) position OFF
      P (Park) or N (Neutral) position ON
      SFT PN/N SW CVT Shift selector Any position other than P (Park) or N (Neutral) position OFF
      P (Park) or N (Neutral) position ON

    Is the inspection result normal?

    YES 

    Refer to INTERMITTENT INCIDENT .

    NO-1 

    If SFT PN-IPDM is incorrect. GO TO 2.

    NO-2 

    If SFT PN/N SW is incorrect. GO TO 5.

  2. CHECK IPDM E/R INPUT SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R connector.
    3. Turn ignition switch ON.
    4. Check voltage between IPDM E/R harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      IPDM E/R
      Connector Terminal
      F24 66 Ground Selector lever P (Park) or N (Neutral) position 12
      Other than above 0

    Is the inspection result normal?

    YES 

    Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 3  .

  3. CHECK IPDM E/R INPUT SIGNAL CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. Check continuity between IPDM E/R harness connector and transmission range switch harness connector.
      IPDM E/R Transmission range switch Continuity
      Connector Terminal Connector Terminal
      E119 37 F29 10 Yes
    4. Check continuity between IPDM E/R harness connector and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E119 37 No

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace harness.

  4. REPLACE IPDM E/R

    1. Replace IPDM E/R. Refer to REMOVAL AND INSTALLATION .

    Inspection End.

  5. CHECK BCM INPUT SIGNAL

    1. Turn ignition switch ON.
    2. Check voltage between BCM harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      BCM
      Connector Terminal
      M18 39 Ground Selector lever P (Park) or N (Neutral) position 12
      Other than above 0

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    GO TO STEP 7  .

  6. 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.

  7. CHECK BCM INPUT SIGNAL CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect transmission range switch connector.
    3. Disconnect BCM connector.
    4. Check continuity between transmission range switch harness connector and BCM harness connector.
      Transmission range switch BCM Continuity
      Connector Terminal Connector Terminal
      F29 10 M18 39 Yes
    5. Check continuity between transmission range switch harness connector and ground.
      Transmission range switch Ground Continuity
      Connector Terminal
      F29 10 No

    Is the inspection result normal?

    YES 

    GO TO STEP 8  .

    NO 

    Repair or replace harness.

  8. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.

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