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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1979 (Automatic Transmission (Re5F22A)) >> DTC P0825: Lever Switch Circuit >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK LEVER SWITCH CIRCUIT 

    WITH CONSULT-II 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Read out ON/OFF switching action of the "RANGE SLCT SW".
      Fig 1: CONSULT-II Display - DATA MONITOR
      G02476122Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch "ON". (Do not start engine.)
    2. Check voltage between the TCM connector terminal 16 and ground.
      Fig 2: Checking Voltage Between TCM Connector E143 Terminal 16 & Ground
      G02476124Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: TCM Connector E143 Terminal 16 Voltage Specifications
      G02476123Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : GO TO  4.
    • NG : GO TO 2.
  2. CHECK HARNESS BETWEEN TCM AND A/T DEVICE (LEVER SWITCH) 
    1. Turn ignition switch "OFF".
    2. Disconnect the TCM connector.
    3. Check the continuity between TCM connector terminal 16 and ground.
      Fig 4: Checking Continuity Between TCM Connector Terminal 16 & Ground
      G02476126Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: TCM Connector E143 Terminal 16 Continuity Chart
      G02476125Courtesy of NISSAN MOTOR CO., U.S.A.
    4. If OK, check harness for short-circuit to ground or power source.

    OK or NG

    • OK : GO TO  4.
    • NG : GO TO 3.
  3. DETECT MALFUNCTIONING ITEM 

    Check the following.

    • Open or short-circuit in the harness between TCM and A/T device (lever switch).
    • Open or short-circuit in the harness for ground of lever switch.
    • Lever switch. Refer to COMPONENT INSPECTION .

    OK or NG

    • OK : GO TO 4.
    • NG : Repair or replace damaged parts.
  4. CHECK DTC 

    Perform "DTC Confirmation Procedure". Refer to DTC CONFIRMATION PROCEDURE .

    OK or NG

    • OK : INSPECTION END 
    • NG : GO TO 5.
  5. CHECK TCM 
    1. Check TCM input/output signal.
    2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

    OK or NG

    • OK : INSPECTION END 
    • NG : Repair or replace damaged parts.