AUTOMATIC TRANSMISSION SYSTEM, Diagnostic DTC:P1817

DTC Code DTC Name
P1817 Manual Mode Switch Circuit Malfunction

DESCRIPTION

A signal from the manual mode switch assembly input into the TCM detects the M position.

DTC Code

DTC Detection Condition


  1. Diagnosis Condition

  2. Malfunction Status

  3. Malfunction Time

  4. Other

 Trouble Area
P1817

  1. Shift position sensor is normal, and not in learning control prohibited status.

  2. The shift lever is in P, N, or R, and the M switch is on.

  3. Continues for 2 sec.

  4. 1-trip detection logic

  • Manual mode switch

  • Harness and connector

  • TCM

WIRING DIAGRAM

A004KZHE04
*a Manual Mode Switch
*b Shift Position Indicator

PROCEDURE


  1. CHECK MANUAL MODE SWITCH


    1. Disconnect the A19 TCM connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Shift Position Specified Condition
      A19-8(M) - Body ground M Below 1 Ω
      A19-8(M) - Body ground Except M 10 kΩ or higher

    3. Connect the A19 TCM connector.


    NG

    CHECK HARNESS AND CONNECTOR (MANUAL MODE SWITCH - SHIFT POSITION INDICATOR) Click here

    OK

  2. REPLACE TCM


    1. Replace the TCM Click here.


    NEXT

    PERFORM THE RESET MEMORY Click here

  3. CHECK HARNESS AND CONNECTOR (MANUAL MODE SWITCH - SHIFT POSITION INDICATOR)


    1. Disconnect the D36 shift position indicator connector.

    2. Disconnect the D28 manual mode switch connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      D36-6(MM) - D28-10(MM+) Always Below 1 Ω
      D36-6(MM) - Body ground Always 10 kΩ or higher
      D28-10(MM+) - Body ground Always 10 kΩ or higher

    4. Connect the D36 shift position indicator connector.

    5. Connect the D28 manual mode switch connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT MANUAL MODE SWITCH


    1. Disconnect the D28 manual mode switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Shift Position Specified Condition
      D28-10(MM+) - D28-11(MM-) M Below 1 Ω
      Except M 10 kΩ or higher

    3. Disconnect the D28 manual mode switch connector.


    NG

    REPLACE MANUAL MODE SWITCH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (TCM - SHIFT POSITION INDICATOR)


    1. Disconnect the A19 TCM connector.

    2. Disconnect the D36 shift position indicator connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      D36-5(M) - A19-8(M) Always Below 1 Ω
      D36-5(M) - Body ground Always 10 kΩ or higher
      A19-8(M) - Body ground Always 10 kΩ or higher

    4. Connect the A19 TCM connector.

    5. Connect the D36 shift position indicator connector.


    OK

    REPLACE SHIFT POSITION INDICATOR Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR