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

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.

      
      Powertrain > Hybrid Control > Data List

      Tester Display
      Sports Mode

   4. Read the value displayed on the GTS.

      
      Powertrain > Hybrid Control > Data List

      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

      Result
      Result Proceed to The GTS display changes according to the shift lever operation. A The GTS display does not change according to the shift lever operation. B

   
   

   B

   CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) Click here

   A

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.

      
      Powertrain > Hybrid Control > Data List

      Tester Display
      Sport Up Shift Sens State
      Sport Dwn Shift Sens State

   4. Read the value displayed on the GTS.

      
      Powertrain > Hybrid Control > Data List

      Tester Display	Measurement Item	Range	Normal Condition
      Sport Up Shift Sens State	Sports shift UP signal	ON or OFF	ON: Shift lever in "+" OFF: Shift lever in neutral S
      Sport Dwn Shift Sens State	Sport shift DOWN signal	ON or OFF	ON: Shift lever in "-" OFF: Shift lever in neutral S

      Result
      Result Proceed to The GTS display changes according to the transmission control switch (transmission floor shift assembly) operation. A The GTS display does not change according to the transmission control switch (transmission floor shift assembly) operation. B

   
   

   B

   INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) Click here

   A

3. CHECK FOR INTERMITTENT PROBLEMS

   Click here

   Result
   Proceed to OK NG

   
   

   OK

   REPLACE POWER MANAGEMENT CONTROL ECU Click here

   NG

   REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

4. INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY)

   
   

   1. Disconnect the K80 transmission control switch (transmission floor shift assembly) connector.

   2. 

      *A	for LHD
      *B	for RHD
      *a	Component without harness connected (Transmission Control Switch (Transmission Floor Shift Assembly))

      Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance
      for LHD Tester Connection Condition Specified Condition 3 (SFTU) - 2 (E) Shift lever in "+" Below 1 Ω 1 (SFTD) - 2 (E) Shift lever in "-" Below 1 Ω 3 (SFTU) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher 1 (SFTD) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher
      for RHD Tester Connection Condition Specified Condition 1 (SFTU) - 2 (E) Shift lever in "+" Below 1 Ω 3 (SFTD) - 2 (E) Shift lever in "-" Below 1 Ω 1 (SFTU) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher 3 (SFTD) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher

   3. Reconnect the K80 transmission control switch (transmission floor shift assembly) connector.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) Click here

   OK

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

   
   

   1. Disconnect the K33 power management control ECU connector.

   2. Disconnect the K26 spiral cable with sensor sub-assembly connector.

   3. 

      *a	Rear view of wire harness connector (to Power Management Control ECU)

      Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance
      Tester Connection Condition Specified Condition K33-21 (SFTU) - Body ground Shift lever in "+" Below 1 Ω K33-20 (SFTD) - Body ground Shift lever in "-" Below 1 Ω K33-21 (SFTU) - Body ground Shift lever in neutral (S) 10 kΩ or higher K33-20 (SFTD) - Body ground Shift lever in neutral (S) 10 kΩ or higher

   4. Reconnect the K26 spiral cable with sensor sub-assembly connector.

   5. Reconnect the K33 power management control ECU connector.

      Result
      Proceed to OK NG

   
   

   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 K80 transmission control switch (transmission floor shift assembly) connector.

   2. 

      *a	Front view of wire harness connector (to Transmission Control Switch (Transmission Floor Shift Assembly))

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

      Standard Voltage
      Tester Connection Condition Specified Condition K80-4 (IG) - Body ground Power switch on (IG) 11 to 14 V K80-2 (E) - Body ground Power switch off Below 1 V

   3. Turn the power switch off.

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

      Standard Resistance
      Tester Connection Condition Specified Condition K80-2 (E) - Body ground Power switch off Below 1 Ω

   5. Reconnect the K80 transmission control switch (transmission floor shift assembly) connector.

      Result
      Proceed to OK NG

   
   

   NG

   INSPECT FUSE (SEQUENTIAL) Click here

   OK

7. INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY)

   
   

   1. Disconnect the K80 transmission control switch (transmission floor shift assembly) connector.

   2. 

      *A	for LHD
      *B	for RHD
      *a	Component without harness connected (Transmission Control Switch (Transmission Floor Shift Assembly))

      Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance
      for LHD Tester Connection Condition Specified Condition 4 (IG) - 5 (S) Shift lever in S position Below 1 Ω 1 (SFTU) - 2 (E) Shift lever in "+" Below 1 Ω 1 (SFTD) - 2 (E) Shift lever in "-" Below 1 Ω 4 (IG) - 5 (S) Shift lever in any position except S 10 kΩ or higher 3 (SFTU) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher 1 (SFTD) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher
      for RHD Tester Connection Condition Specified Condition 4 (IG) - 5 (S) Shift lever in S position Below 1 Ω 1 (SFTU) - 2 (E) Shift lever in "+" Below 1 Ω 3 (SFTD) - 2 (E) Shift lever in "-" Below 1 Ω 4 (IG) - 5 (S) Shift lever in any position except S 10 kΩ or higher 1 (SFTU) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher 3 (SFTD) - 2 (E) Shift lever in neutral (S) 10 kΩ or higher

   3. Reconnect the K80 transmission control switch (transmission floor shift assembly) connector.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY)

   OK

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

   
   
   1. 

      *1	No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2	PM-IGCT Fuse

      Remove the PM-IGCT fuse from the No. 1 engine room relay block and No. 1 junction block assembly.

   2. 

      *1	Instrument Panel Junction Block Assembly
      *2	AM2 Fuse
      *3	IGN NO. 1 Fuse
      *4	ECU-ACC Fuse

      Remove the AM2 fuse, IGN No. 1 fuse and ECU-ACC fuse from the instrument panel junction block assembly.

   3. 

      *a	Rear view of wire harness connector (to Power Management Control ECU)

      Disconnect the A62, A63, K32 and K33 power management control ECU connectors.

   4. Disconnect the K26 spiral cable with sensor sub-assembly connector.

   5. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance

      Tester Connection Condition Specified Condition K33-22 (M) - A62-1 (+B2) Power switch off 10 kΩ or higher K33-22 (M) - A63-3 (+B1) Power switch off 10 kΩ or higher K33-22 (M) - K32-1 (AM22) Power switch off 10 kΩ or higher K33-22 (M) - K33-7 (AM21) Power switch off 10 kΩ or higher K33-22 (M) - A62-4 (MREL) Power switch off 10 kΩ or higher K33-22 (M) - A63-1 (IG2) Power switch off 10 kΩ or higher K33-22 (M) - A62-10 (ACCI) Power switch off 10 kΩ or higher K33-22 (M) - K33-1 (ACCD) Power switch off 10 kΩ or higher K33-22 (M) - K33-2 (IG1D) Power switch off 10 kΩ or higher K33-22 (M) - K32-16 (SPDI) Power switch off 10 kΩ or higher K33-21 (SFTU) - Body ground Shift lever in "+" Below 1 Ω K33-21 (SFTU) - Body ground Shift lever in neutral (S) 10 kΩ or higher K33-20 (SFTD) - Body ground Shift lever in neutral (S) 10 kΩ or higher K33-20 (SFTD) - Body ground Shift lever in "-" Below 1 Ω

      Note

      If the power switch is turned on (IG) with the power management control ECU connector disconnected, other DTCs will be stored. After performing the inspection, clear the DTCs.

   6. Disconnect the K80 transmission control switch (transmission floor shift assembly) connector.

   7. 

      *a	Rear view of wire harness connector (to Power Management Control ECU)
      *b	Front view of wire harness connector (to Transmission Control Switch (Transmission Floor Shift Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition K33-22 (M) - K80-5 (S) Power switch off Below 1 Ω

   8. Reconnect the K80 transmission control switch (transmission floor shift assembly) connector.

   9. Reconnect the K26 spiral cable with sensor sub-assembly connector.

   10. Reconnect the A62, A63, K32 and K33 power management control ECU connectors.

   11. Install the AM2 fuse, IGN No. 1 fuse and ECU-ACC fuse.

   12. Install the PM-IGCT fuse.

       Result
       Proceed to OK NG

   
   

   OK

   REPLACE POWER MANAGEMENT CONTROL ECU Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

9. INSPECT FUSE (SEQUENTIAL)

   
   
   1. 

      *1	No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2	SEQUENTIAL Fuse

      Remove the SEQUENTIAL fuse from the No. 1 engine room relay block and No. 1 junction block assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition SEQUENTIAL fuse terminals Always Below 1 Ω

   3. Install the SEQUENTIAL fuse.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE FUSE (SEQUENTIAL)

   OK

10. INSPECT HARNESS OR CONNECTOR (TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) - POWER MANAGEMENT CONTROL ECU)

    
    

    1. Disconnect the K80 transmission control switch (transmission floor shift assembly) connector.

    2. Disconnect the K33 power management control ECU connector.

    3. 

       *a	Front view of wire harness connector (to Transmission Control Switch (Transmission Floor Shift Assembly))
       *b	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 K80-4(IG) - A62-9(PSFT) Power switch off Below 1 Ω K80-4(IG) or A62-9(PSFT) - Body ground and other terminals Power switch off 10 kΩ or higher

    4. Reconnect the A62 power management control ECU connector.

    5. Reconnect the K80 transmission control switch (transmission floor shift assembly) connector.

       Result
       Proceed to OK NG

    
    

    OK

    REPAIR OR REPLACE POWER SOURCE CIRCUIT

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR