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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 423 (Automatic Transaxle - Re5F22A) >> Trouble Diagnosis For Symptoms >> A/T Check Indicator Lamp Does Not Come On >> Diagnostic Procedure >> 2. Check TCM Power Source Circuit

2. Check TCM Power Source Circuit

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch "ON". (Do not start engine.)
  2. Check voltage between TCM connector terminals and ground.

    Refer to "Wiring Diagram - AT - PWR/IN ".

    Fig 1: TCM Power Source Circuit Voltage Specifications
    G00777770Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Voltage
    G00777771Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Turn ignition switch "OFF".
  4. Check voltage between TCM connector terminals and ground. Refer to "Wiring Diagram - AT - PWR/IN ".
Fig 3: TCM Power Source Circuit Voltage Specifications
G00777772Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 4 .
  2. NG: GO TO 3.
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