HYBRID CONTROL SYSTEM Transmission Control Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01NCUQE01

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

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (SPORTS MODE)


    1. Connect the intelligent tester 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 Data List.

      Result
      Tester Display Measurement Item/Range Normal Condition
      Sports Mode

      Sports shift signal

      ON or OFF

      Shift lever in S position: ON

      Shift lever not in S position: OFF


    NG
    OK
  2. READ VALUE USING INTELLIGENT TESTER (SPORTS SHIFT UP SIGNAL/SPORTS SHIFT DOWN SIGNAL)


    1. Enter the following menus: Powertrain / Hybrid Control / Data List / Sports Shift Up Signal/Sports Shift Down Signal.

    2. Read the Data List.

      Result
      Tester Display Measurement Item/Range Normal Condition
      Sports Shift Up Signal

      Sports shift UP signal

      ON or OFF

      Shift lever in positive (+): ON

      Shift lever not in positive (+): OFF

      Sports Shift Down Signal

      Sports shift DOWN signal

      ON or OFF

      Shift lever in negative (-): ON

      Shift lever not in negative (-): OFF


    NG
    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 occurs A
      Malfunction does not occur for LHD B
      for RHD C

    B
    C
    A
  4. CHECK SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH)


    1. A01NGIUE22
      Text in Illustration
      *1

      Component without harness connected

      (Transmission Control Switch)

      Disconnect connector F30 from the transmission control switch.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F30-5 (SFTU) - F30-11 (E) Shift lever in S and held toward + Below 1 Ω

      F30-5 (SFTU) - F30-11 (E)

      F30-4 (SFTD) - F30-11 (E)

      Shift lever in S and not held toward + or - 10 kΩ or higher
      F30-4 (SFTD) - F30-11 (E) Shift lever in S and held toward - Below 1 Ω
    3. Connect the transmission control switch connector.


    NG
    OK
  5. CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - POWER MANAGEMENT CONTROL ECU)


    1. A01NGZSE03
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)

      Disconnect connector F98 from the power management control ECU.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F98-27 (SFTU) - Body ground Shift lever in positive (+) Below 1 Ω

      F98-27 (SFTU) - Body ground

      F98-26 (SFTD) - Body ground

      Shift lever in S 10 kΩ or higher
      F98-26 (SFTD) - Body ground Shift lever in negative (-) Below 1 Ω
      Result
      Result Proceed to
      NG A
      OK (for LHD) B
      OK (for RHD) C
    3. Connect the power management control ECU connector.


    B
    C
    A
  6. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. Disconnect connector F30 from the transmission control switch.

    2. Turn the power switch on (IG).

    3. A01NG2UE21
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Transmission Control Switch)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F30-6 (IG) - F30-11 (E) Power switch on (IG) 11 to 14 V
    4. Turn the power switch off.

    5. Connect the transmission control switch connector.


    NG
    OK
  7. CHECK SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH)


    1. Disconnect connector F30 from the transmission control switch.

    2. A01NGIUE23
      Text in Illustration
      *1

      Component without harness connected

      (Transmission Control Switch)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F30-6 (IG) - F30-13 (S) Shift lever not in S 10 kΩ or higher
      F30-6 (IG) - F30-13 (S) Shift lever in S Below 1 Ω
      F30-5 (SFTU) - F30-11 (E) Shift lever in positive (+) Below 1 Ω

      F30-5 (SFTU) - F30-11 (E)

      F30-4 (SFTD) - F30-11 (E)

      Shift lever not in S 10 kΩ or higher
      F30-4 (SFTD) - F30-11 (E) Shift lever in negative (-) Below 1 Ω
    3. Connect the transmission control switch connector.


    NG
    OK
  8. CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - POWER MANAGEMENT CONTROL ECU)


    1. A01NHIYE01
      Text in Illustration
      *1 Engine Room Relay Block No. 2
      *2 IGCT No. 3 Fuse

      Remove the IGCT No. 3 fuse from the engine room relay block No. 2.

    2. A01NF1AE01
      Text in Illustration
      *1 Engine Room Junction Block Assembly
      *2 AM2 Fuse

      Remove the AM2 fuse from the engine room junction block assembly.

    3. A01NF4XE01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU IG2 Fuse

      Remove the ECU IG2 fuse from the instrument panel junction block assembly.

    4. Disconnect all the connectors from the power management control ECU.

    5. A01NGXZE25
      Text in Illustration
      *1 Power Management Control ECU

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F98-23 (M) - A80-2 (+B2) Power switch off 10 kΩ or higher
      F98-23 (M) - A81-5 (+B1) Power switch off 10 kΩ or higher
      F98-23 (M) - F97-1 (AM22) Power switch off 10 kΩ or higher
      F98-23 (M) - F98-7 (AM21) Power switch off 10 kΩ or higher
      F98-23 (M) - A81-6 (MREL) Power switch off 10 kΩ or higher
      F98-23 (M) - A81-1 (IG2) Power switch off 10 kΩ or higher
      F98-23 (M) - F98-1 (ACCD) Power switch off 10 kΩ or higher
      F98-23 (M) - F98-2 (IG1D) Power switch off 10 kΩ or higher
      F98-23 (M) - A81-2 (IG2D) Power switch off 10 kΩ or higher
      F98-23 (M) - F97-14 (SPDI) Power switch off 10 kΩ or higher
      F98-23 (M) - A80-16 (GI) Power switch off 10 kΩ or higher
      F98-23 (M) - A80-4 (FCTL) Power switch off 10 kΩ or higher
      F98-27 (SFTU) - Body ground Shift lever in positive (+) Below 1 Ω

      F98-27 (SFTU) - Body ground

      F98-26 (SFTD) - Body ground

      Shift lever in S 10 kΩ or higher
      F98-26 (SFTD) - Body ground Shift lever in negative (-) Below 1 Ω
    6. Disconnect connector F30 from the transmission control switch.

    7. A01NHHRE01
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)

      *2

      Front view of wire harness connector

      (to Transmission Control Switch)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F98-23 (M) - F30-13 (S) Power switch off Below 1 Ω
      Result
      Result Proceed to
      NG A
      OK (for LHD) B
      OK (for RHD) C
    8. Connect the transmission control switch connector.

    9. Connect the power management control ECU connectors.

    10. Install the ECU IG2 fuse to the instrument panel junction block assembly.

    11. Install the AM2 fuse to the engine room junction block assembly.

    12. Install the IGCT No. 3 fuse to the engine room relay block No. 2.


    B
    C
    A