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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1979 (Automatic Transmission (Re5F22A)) >> DTC P0882: TCM Power Input Signal >> 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 TCM POWER SOURCE CIRCUIT 
    1. Turn ignition switch "ON". (Do not start engine.)
    2. Check voltage between TCM terminals and ground.
      Fig 1: Checking Voltage Between TCM Connector E142 & E143 Terminals & Ground
      G02476132Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: TCM Connector E142 & E143 Terminal Voltage Specifications Chart
      G02476131Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Turn ignition switch "OFF".
    4. Check voltage between TCM terminals and ground.
      Fig 3: TCM Connectors E142, E143 Terminals Voltage Reference Chart
      G02476133Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : GO TO  3.
    • NG : GO TO 2.
  2. DETECT MALFUNCTIONING ITEM 

    Check the following:

    • Harness for short or open between battery and TCM terminal 27
    • Harness for short or open between ignition switch and TCM terminals 1, 34, 38 and 39
    • 10A fuse [No. 19, located in the fuse block (J/B) or No. 48, located in the IPDM E/R]
    • Ignition switch. Refer to POWER SUPPLY ROUTING CIRCUIT .
    • A/T PV IGN relay. Refer to COMPONENT INSPECTION .

    OK or NG

    • OK : GO TO 3.
    • NG : Repair or replace damaged parts.
  3. CHECK TCM GROUND CIRCUIT 
    1. Turn ignition switch "OFF".
    2. Disconnect TCM harness connector.
    3. Check continuity between TCM terminals 14 (B), 48 (B) and ground.
      Fig 4: Checking Continuity Between TCM Harness Connector Terminals 14 (B), 48 (B) & Ground
      G02476134Courtesy of NISSAN MOTOR CO., U.S.A.
      • Continuity should exist. 

      If OK, check harness for short to ground and short to power.

    OK or NG

    • OK : GO TO 4.
    • NG : Repair open circuit or short to ground or short to power in harness or connectors.
  4. CHECK DTC 

    Check again. 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.
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