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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1002 (Automatic Transmission (Re0F09B)) >> Component Diagnosis >> P0826 Manual Mode Switch >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MANUAL MODE SWITCH SIGNALS

    With CONSULT-III

    1. Turn ignition switch ON.
    2. Select "Data Monitor" in "TRANSMISSION".
    3. Check the On/Off operations of each monitor item.
    MANUAL MODE SWITCH CONDITION CHART

    Item name Monitor item Condition Status
    Manual mode switch MMODE Manual shift gate position (neutral) On
    Other than the above Off
    NONMMODE Manual shift gate position Off
    Other than the above On
    UPLVR Selector lever: UP (+ side) On
    Other than the above Off
    DOWNLVR Selector lever: DOWN (- side) On
    Other than the above Off
    Paddle shifter(1) STRDWNSW Pressed paddle shifter (shift-down) On
    Released paddle shifter Off
    STRUPSW Pressed paddle shifter (shift-up) On
    Released paddle shifter Off
    (1) With paddle shifter

    Without CONSULT-III

    Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the position mutually coincide when the selector lever and paddle shifter* are shifted to the "+ (up)" or "- (down)" side (1st → 6th gear).

    *: With paddle shifter

    Is the inspection result normal? 

    YES: GO TO 13.

    NO-1 (Manual mode switch is abnormal): GO TO 2.

    NO-2 (Paddle shifter is abnormal): GO TO 7.

  2. CHECK MANUAL MODE SWITCH
    1. Turn ignition switch OFF.
    2. Disconnect control device connector.
    3. Check manual mode switch. Refer to "COMPONENT INSPECTION (MANUAL MODE SWITCH) ".

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair or replace damaged parts.

  3. CHECK GROUND CIRCUIT (PART 1)

    Check continuity between control device vehicle side harness connector terminal and ground.

    TERMINAL CONTINUITY REFERENCE

    Control device vehicle side harness connector Ground Continuity
    Connector Terminal
    M78 4 Existed

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace damaged parts.

    Fig 1: Checking Continuity Between Control Device Vehicle Side Harness Connector Terminal 4 And Ground
    G05689339Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK GROUND CIRCUIT (PART 2)

    Check voltage between control device vehicle side harness connector terminal and ground.

    TERMINAL VOLTAGE REFERENCE

    Control device vehicle side harness connector Ground Voltage (Approx.)
    Connector Terminal
    M78 4 0 V

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Repair or replace damaged parts.

    Fig 2: Checking Voltage Between Control Device Vehicle Side Harness Connector Terminal 4 And Ground
    G05689340Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK HARNESS BETWEEN CVT DEVICE AND COMBINATION METER (PART 1)
    1. Disconnect combination meter connector.
    2. Check continuity between control device vehicle side harness connector terminals and combination meter vehicle side harness connector terminals.
    TERMINAL CONTINUITY REFERENCE

    Control device vehicle side harness connector Combination meter vehicle side harness connector Continuity
    Connector Terminal Connector Terminal
    M78 (A) 1 M24 (B) 40 Existed
    2 38
    3 39
    5 37

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Repair or replace damaged parts.

    Fig 3: Checking Continuity Between Control Device And Combination Meter Vehicle Side Harness Connector Terminals
    G05875749Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK HARNESS BETWEEN CVT DEVICE AND COMBINATION METER (PART 2)

    Check continuity between control device vehicle side harness connector terminals and ground.

    TERMINAL CONTINUITY REFERENCE

    Control device vehicle side harness connector Ground Continuity
    Connector Terminal
    M78 1 Not existed
    2
    3
    5

    Is the inspection result normal? 

    YES: GO TO 12.

    NO: Repair or replace damaged parts.

    Fig 4: Checking Continuity Between Control Device Vehicle Side Harness Connector Terminals And Ground
    G05689338Courtesy of NISSAN MOTOR CO., U.S.A.
  7. CHECK PADDLE SHIFTER
    1. Turn ignition switch OFF.
    2. Disconnect paddle shifter connector.
    3. Turn ignition switch ON.
    4. Check voltage between paddle shifter side harness connector terminals.
    TERMINAL VOLTAGE REFERENCE

    Paddle shifter vehicle side harness connector Voltage (Approx.)
    Connector Terminal
    M82 (A) 3 1 Battery voltage
    M83 (B) 3 1
    Fig 5: Checking Voltage Between Paddle Shifter Side Harness Connector Terminals
    G05875751Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO 8.

    NO: GO TO 10.

  8. CHECK PADDLE SHIFTER

    Check paddle shifter. Refer to "COMPONENT INSPECTION (PADDLE SHIFTER) ".

    Is the inspection result normal? 

    YES: GO TO 9.

    NO: Repair or replace damaged parts.

  9. CHECK GROUND CIRCUIT

    Check continuity between paddle shifter vehicle side harness connector terminal and ground.

    TERMINAL CONTINUITY REFERENCE

    Paddle shifter vehicle side harness connector Ground Continuity
    Connector Terminal
    M82 (A) 1 Existed
    M83 (B) 1

    Is the inspection result normal? 

    YES: GO TO 10.

    NO: Repair or replace damaged parts.

    Fig 6: Checking Continuity Between Paddle Shifter Vehicle Side Harness Connector Terminal 1 And Ground
    G05875752Courtesy of NISSAN MOTOR CO., U.S.A.
  10. CHECK POWER SOURCE CIRCUIT

    Check voltage between paddle shifter vehicle side harness connector terminal and ground.

    TERMINAL VOLTAGE REFERENCE

    Paddle shifter vehicle side harness connector Ground Voltage (Approx.)
    Connector Terminal
    M82 (A) 3 0 V
    M83 (B) 3

    Is the inspection result normal? 

    YES: GO TO 11.

    NO: Repair or replace damaged parts.

    Fig 7: Checking Voltage Between Paddle Shifter Vehicle Side Harness Connector Terminal 3 And Ground
    G05875753Courtesy of NISSAN MOTOR CO., U.S.A.
  11. CHECK HARNESS BETWEEN PADDLE SHIFTER AND COMBINATION METER (PART 1)
    1. Disconnect combination meter connector.
    2. Check continuity between paddle shifter vehicle side harness connector terminals and combination meter vehicle side harness connector terminals.
    TERMINAL CONTINUITY REFERENCE

    Paddle shifter vehicle side harness connector Combination meter vehicle side harness connector Continuity
    Connector Terminal Connector Terminal
    M82 (A) 3 M23 (C) 50 Existed
    M83 (B) 3 49

    Is the inspection result normal? 

    YES: GO TO 12.

    NO: Repair or replace damaged parts.

    Fig 8: Checking Continuity Between Paddle Shifter And Combination Meter Vehicle Side Harness Connector Terminals
    G05875754Courtesy of NISSAN MOTOR CO., U.S.A.
  12. CHECK HARNESS BETWEEN PADDLE SHIFTER AND COMBINATION METER (PART 2)

    Check continuity between paddle shifter vehicle side harness connector terminals and ground.

    TERMINAL CONTINUITY REFERENCE

    Paddle shifter vehicle side harness connector Ground Continuity
    Connector Terminal
    M82 (A) 3 Not existed
    M83 (B) 3

    Is the inspection result normal? 

    YES: GO TO 13.

    NO: Repair or replace damaged parts.

    Fig 9: Checking Continuity Between Paddle Shifter Vehicle Side Harness Connector Terminals 3 And Ground
    G05875755Courtesy of NISSAN MOTOR CO., U.S.A.
  13. DETECT MALFUNCTIONING ITEMS

    Check TCM connector pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal? 

    YES: Replace TCM. Refer to "EXPLODED VIEW ".

    NO: Repair or replace damaged parts.

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