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HYBRID CONTROL 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, different ranges can be chosen using the floor shift sequential gate.

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WIRING DIAGRAM

Refer to the wiring diagram for DTC P0AE6-225 (Click here).

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PROCEDURE


  1. Click here

    READ VALUE USING GTS (SPORTS MODE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Sports Mode.

    4. Read the value displayed on the GTS.

      Result
      Tester Display Measurement Item/Range Normal Condition
      Sports Mode

      Sports shift signal/

      ON or OFF

      Shift lever in S: ON

      Shift lever not in S: OFF

    5. Turn the power switch off.


  2. Click here

    READ VALUE USING GTS (SPORT UP SHIFT SENS STATE / SPORT DWN SHIFT SENS STATE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Sport Up Shift Sens State/Sport Dwn Shift Sens State.

    4. Read the value displayed on the GTS.

      Result
      Tester Display Measurement Item/Range Normal Condition
      Sport Up Shift Sens State

      Sports shift UP signal/

      ON or OFF

      Shift lever in S and held toward +:

      ON
      Sport Dwn Shift Sens State

      Sport shift DOWN signal/

      ON or OFF

      Shift lever in S and held toward -:

      ON

    5. Turn the power switch off.


  3. Click here

    CHECK FOR INTERMITTENT PROBLEMS


    1. Check for intermittent problems.


      1. Move the shift lever to S and jiggle the harness and connector.

      2. With the shift lever held toward "+" and then "-", jiggle the harness and connector.

      Result
      Result Proceed to
      Malfunction does not occur A
      Malfunction occurs B

    • A

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    • B

      REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

  4. Click here

    INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH)


    1. Disconnect the H33 lower shift lever assembly (transmission control switch) connector.

    2. A00074OE04

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

      Standard Resistance (LHD)
      Tester Connection Condition Specified Condition
      3 - 2 Shift lever in positive (+) Below 1 Ω
      3 - 2 Shift lever in S 10 kΩ or higher
      1 - 2
      1 - 2 Shift lever in negative (-) Below 1 Ω
      Standard Resistance (RHD)
      Tester Connection Condition Specified Condition
      1 - 2 Shift lever in positive (+) Below 1 Ω
      1 - 2 Shift lever in S 10 kΩ or higher
      3 - 2
      3 - 2 Shift lever in negative (-) Below 1 Ω
      Table 1. Text in Illustration
      *a

      Component without harness connected

      (Lower Shift Lever Assembly (Transmission Control Switch))

    3. Reconnect the H33 lower shift lever assembly (transmission control switch) connector.


  5. Click here

    CHECK HARNESS AND CONNECTOR (LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) - HYBRID VEHICLE CONTROL ECU ASSEMBLY)


    1. Disconnect the H212 hybrid vehicle control ECU assembly connector.

    2. A00081BE02

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H212-9 (SFTU) - Body ground Shift lever in positive (+) Below 1 Ω
      H212-9 (SFTU) - Body ground Shift lever in S 10 kΩ or higher
      H212-8 (SFTD) - Body ground
      H212-8 (SFTD) - Body ground Shift lever in negative (-) Below 1 Ω
      Table 2. Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)

    3. Reconnect the H212 hybrid vehicle control ECU assembly connector.


    • OK

      REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY (Click here)

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. Click here

    CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH))


    1. Disconnect the A79 hybrid vehicle control ECU assembly connector.

    2. Disconnect the H33 lower shift lever assembly (transmission control switch) connector.

    3. A0003NXE02

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A79-1 (PSFT) - H33-4 (IG) Always Below 1 Ω
      A79-1 (PSFT) or H33-4 (IG) - Body ground Always 10 kΩ or higher
      Table 3. Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)
      *b

      Front view of wire harness connector

      (to Lower Shift Lever Assembly (Transmission Control Switch))

    4. Reconnect the H33 lower shift lever assembly (transmission control switch) connector.

    5. Reconnect the A79 hybrid vehicle control ECU assembly connector.


  7. Click here

    INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH)


    1. Disconnect the H33 lower shift lever assembly (transmission control switch) connector.

    2. A00074OE05

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H33-4 (IG) - H33-5 (S) Shift lever not in S 10 kΩ or higher
      H33-4 (IG) - H33-5 (S) Shift lever in S Below 1 Ω
      Table 4. Text in Illustration
      *a

      Component without harness connected

      (Lower Shift Lever Assembly (Transmission Control Switch))

    3. Reconnect the H33 lower shift lever assembly (transmission control switch) connector.


  8. Click here

    CHECK HARNESS AND CONNECTOR (LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) - HYBRID VEHICLE CONTROL ECU ASSEMBLY)


    1. Disconnect the H212 hybrid vehicle control ECU assembly connector.

    2. Disconnect the H33 lower shift lever assembly (transmission control switch) connector.

    3. A0003SOE02

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H212-1 (M) - H33-5 (S) Always Below 1 Ω
      H212-1 (M) or H33-5 (S) - Body ground Always 10 kΩ or higher
      Table 5. Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU Assembly)
      *b

      Front view of wire harness connector

      (to Lower Shift Lever Assembly (Transmission Control Switch))

    4. Turn the power switch on (IG)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H212-1 (M) - H33-5 (S) Power switch on (IG) Below 1 V

    6. Turn the power switch off.

    7. Reconnect the H33 lower shift lever assembly (transmission control switch) connector.

    8. Reconnect the H212 hybrid vehicle control ECU assembly connector.


    • OK

      REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY (Click here)

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR