HYBRID CONTROL SYSTEM Transmission Control Switch Circuit

DESCRIPTION

When the shift lever is in S, different ranges can be chosen using the floor shift sequential gate.

WIRING DIAGRAM

A0004ANE07

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

PROCEDURE


  1. 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.


    NG

    CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) Click here

    OK

  2. 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.


    NG

    INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) Click here

    OK

  3. 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. INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH)


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

    2. A00074OE04
      Text in Illustration
      *a

      Component without harness connected

      (Lower Shift Lever Assembly (Transmission Control Switch))

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

      Standard Resistance
      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

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


    NG

    REPLACE LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) - POWER MANAGEMENT CONTROL ECU)


    1. Disconnect the H2 power management control ECU connector.

    2. A0005YTE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H2-27 (SFTU) - Body ground Shift lever in positive (+) Below 1 Ω
      H2-27 (SFTU) - Body ground Shift lever in S 10 kΩ or higher
      H2-26 (SFTD) - Body ground
      H2-26 (SFTD) - Body ground Shift lever in negative (-) Below 1 Ω

    3. Reconnect the H2 power management control ECU connector.


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


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

    2. Turn the power switch on (IG).

    3. A0007GME02
      Text in Illustration
      *a

      Front view of wire harness connector

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

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H33-4 (IG) - H33-2 (E) Power switch on (IG) 11 to 14 V

    4. Turn the power switch off.

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


    NG

    CHECK POWER SOURCE CIRCUIT

    OK

  7. INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH)


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

    2. A00074OE05
      Text in Illustration
      *a

      Component without harness connected

      (Lower Shift Lever Assembly (Transmission Control Switch))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      4 - 5 Shift lever not in S 10 kΩ or higher
      4 - 5 Shift lever in S Below 1 Ω

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


    NG

    REPLACE LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) - POWER MANAGEMENT CONTROL ECU)


    1. A0005E3E06
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 PM IGCT Fuse

      Remove the PM IGCT fuse from the No. 2 engine room relay block.

    2. A0004BTE02
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse
      *3 ECU-IG2 NO. 3 Fuse

      Remove the AM2 fuse and ECU-IG2 NO. 3 fuse from the engine room relay block and junction block assembly.

    3. Disconnect the A31, A33, H1 and H2 power management control ECU connectors.

    4. A0007T2E02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H2-23 (M) - A31-2 (+B2) Power switch off 10 kΩ or higher
      H2-23 (M) - A33-5 (+B1) Power switch off 10 kΩ or higher
      H2-23 (M) - H1-1 (AM22) Power switch off 10 kΩ or higher
      H2-23 (M) - H2-7 (AM21) Power switch off 10 kΩ or higher
      H2-23 (M) - A33-6 (MREL) Power switch off 10 kΩ or higher
      H2-23 (M) - A33-1 (IG2) Power switch off 10 kΩ or higher
      H2-23 (M) - H2-1 (ACCD) Power switch off 10 kΩ or higher
      H2-23 (M) - H2-2 (IG1D) Power switch off 10 kΩ or higher
      H2-23 (M) - A33-2 (IG2D) Power switch off 10 kΩ or higher
      H2-23 (M) - H1-14 (SPDI) Power switch off 10 kΩ or higher
      H2-23 (M) - A31-16 (GI) Power switch off 10 kΩ or higher

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

    6. A0005SQE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Front view of wire harness connector

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H2-23 (M) - H33-5 (S) Power switch off Below 1 Ω

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

    8. Reconnect the A31, A33, H1 and H2 power management control ECU connectors.

    9. Install the AM2 fuse and ECU-IG2 NO. 3 fuse to the engine room relay block and junction block assembly.

    10. Install the PM IGCT fuse to the No. 2 engine room relay block.


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR