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AUTOMATIC TRANSAXLE SYSTEM Transmission Control Switch Circuit

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DTC Code DTC Name
  Transmission Control Switch Circuit
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DESCRIPTION

When the shift lever is in S and it is moved toward "-" or "+", it is possible to select different shift ranges (1st through 6th ranges).

Moving the shift lever toward "+" increases the shift range by one, and moving the shift lever toward "-" decreases the shift range by one.

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WIRING DIAGRAM

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INSPECTION PROCEDURE

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PROCEDURE


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    CHECK HARNESS AND CONNECTOR (BATTERY - TRANSMISSION CONTROL SWITCH)


    1. A01CG70E13

      Disconnect the transmission control switch connector of shift lock control unit assembly.

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

      Standard Voltage
      Tester Condition Condition Specified Condition
      G2-6 (IG) - Body ground or other terminals Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

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    CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND)


    1. A01CG70E13

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G2-11 (E) - Body ground or other terminals Always Below 1 Ω

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    INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY (TRANSMISSION CONTROL SWITCH)


    1. A01CD5YE14

      Measure the resistance between each terminal of the transmission control switch when the shift lever is moved to each position.

      Standard Resistance
      Tester Connection Condition Specified Condition
      6 (IG) - 13 (S) Shift lever in S, "+" or "-" Below 1 Ω
      Shift lever not in S, "+" or "-" 10 kΩ or higher
      5 (SFTU) - 11 (E)

      Shift lever held in "+"

      (Up-shift)

      		 Below 1 Ω
      Shift lever not held in "+" 10 kΩ or higher
      4 (SFTD) - 11 (E)

      Shift lever held in "-"

      (Down-shift)

      		 Below 1 Ω
      Shift lever not held in "-" 10 kΩ or higher

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    CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM)


    1. A01CFTXE02

      Connect the transmission control switch connector.

    2. Disconnect the ECM connector.

    3. Turn the engine switch on (IG).

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      A8-25 (S) - Body ground or other terminals

      • Engine switch on (IG)

      • Shift lever in S, "+" or "-"

      		 11 to 14 V
      A8-25 (S) - Body ground or other terminals

      • Engine switch on (IG)

      • Shift lever not in S, "+" or "-"

      		 Below 1 V

    5. Turn the engine switch off.

    6. Disconnect the spiral cable connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A8-16 (SFTU) - Body ground or other terminals

      Shift lever held in "+"

      (Up-shift)

      		 Below 1 Ω
      Shift lever not held in "+" 10 kΩ or higher
      A8-51 (SFTD) - Body ground or other terminals

      Shift lever held in "-"

      (Down-shift)

      		 Below 1 Ω
      Shift lever not held in "-" 10 kΩ or higher

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    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY (TRANSMISSION CONTROL SWITCH)Click here