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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1175 (Automatic Transaxle - Re4F04B) >> Trouble Diagnosis For Symptoms >> 1. O/D OFF Indicator Lamp Does Not Come On

1. O/D OFF Indicator Lamp Does Not Come On

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM: 

O/D OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to ON. 

  1. CHECK TCM POWER SOURCE 
    1. Turn ignition switch to ON position.

      (Do not start engine.)

    2. Check voltage between TCM terminals 10, 19, 28 and ground.
    Fig 1: Checking Voltage Between TCM Terminals 10, 19, 28 And Ground
    G00901769Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: GO TO  3.
  2. CHECK POWER SOURCE STEP 2 
    1. Turn ignition switch to OFF position.
    2. Check voltage between TCM terminal 28 and ground.
    Fig 2: Checking Voltage Between TCM Terminal 28 And Ground
    G00901770Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  4.
    2. NG: GO TO 3.
  3. DETECT MALFUNCTIONING ITEM 

    Check the following items:

    • Harness for short or open between ignition switch and TCM (Main harness)

      Refer to "WIRING DIAGRAM - AT - MAIN".

    • Harness for short or open between battery and TCM (Main harness)

      Refer to "WIRING DIAGRAM - AT - MAIN".

    • Ignition switch and fuse

      Refer to POWER DISTRIBUTION .

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair or replace damaged parts.
  4. CHECK TCM GROUND CIRCUIT 
    1. Turn ignition switch to OFF position.
    2. Disconnect TCM harness connector.
    3. Check continuity between TCM terminals 25, 48 and ground.
      1. Continuity should exist. 

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Repair open circuit or short to ground or short to power in harness or connectors. Refer to "WIRING DIAGRAM - AT - MAIN ".
    Fig 3: Checking Continuity Between TCM Terminals 25, 48 And Ground
    G00901771Courtesy of NISSAN MOTOR CO., U.S.A.
  5. DETECT MALFUNCTIONING ITEM 

    Check the following items:

    • Harness and fuse for short or open between ignition switch and O/D OFF indicator lamp (Main harness) Refer to POWER DISTRIBUTION .
    • Harness for short or open between O/D OFF indicator lamp and TCM.

    OK or NG 

    1. OK: GO TO  7.
    2. NG: Repair or replace damaged parts.
  6. CHECK SYMPTOM 

    Check again.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: GO TO 8.
  7. CHECK TCM INSPECTION 
    1. perform TCM input/output signal inspection.
    2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: Repair or replace damaged parts.
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