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

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 HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here

   NG

   REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

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

   
   

   1. Disconnect the O77 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 O77 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) - HYBRID VEHICLE CONTROL ECU ASSEMBLY)

   
   

   1. Disconnect the O142 hybrid vehicle control ECU assembly connector.

   2. Disconnect the O25 spiral cable with sensor sub-assembly connector.

   3. 

      *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU Assembly)

      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 O142-9 (SFTU) - Body ground Shift lever in "+" Below 1 Ω O142-8 (SFTD) - Body ground Shift lever in "-" Below 1 Ω O142-9 (SFTU) - Body ground Shift lever in neutral (S) 10 kΩ or higher O142-8 (SFTD) - Body ground Shift lever in neutral (S) 10 kΩ or higher

   4. Reconnect the O25 spiral cable with sensor sub-assembly connector.

   5. Reconnect the O142 hybrid vehicle control ECU assembly connector.

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

6. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

   
   

   1. Disconnect the O77 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 O77-4 (IG) - Body ground Power switch on (IG) 11 to 14 V O77-2 (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 O77-2 (E) - Body ground Power switch off Below 1 Ω

   5. Reconnect the O77 transmission control switch (transmission floor shift assembly) connector.

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE POWER SOURCE CIRCUIT

   OK

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

   
   

   1. Disconnect the O77 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 3 (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 O77 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 (HYBRID VEHICLE CONTROL ECU ASSEMBLY - TRANSMISSION CONTROL SWITCH(TRANSMISSION FLOOR SHIFT ASSEMBLY))

   
   

   1. Disconnect the O142 hybrid vehicle control ECU assembly connector.

   2. Disconnect the O77 transmission control switch (transmission floor shift assembly) connector.

   3. 

      *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU Assembly)
      *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 O142-1 (M) - O77-5 (S) Power switch off Below 1 Ω

   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 O142-1 (M) or O77-5 (S) - Body ground Power switch on (IG) Below 1 V

      Note

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

   6. Turn the power switch off.

   7. Reconnect the O77 transmission control switch (transmission floor shift assembly) connector.

   8. Reconnect the O142 hybrid vehicle control ECU assembly connector.

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR