HYBRID CONTROL SYSTEM Pattern Select Switch Eco Mode Circuit

DESCRIPTION

When selecting ECO mode, the mode switch (combination switch assembly) operation signal is sent to the air conditioning amplifier assembly. Following this, ECO mode control is activated for the heater and air conditioning system.

PROCEDURE

1. Click here

   READ VALUE USING GTS (CAN BUS CHECK)

   Result
   Result Proceed to All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Enter the following menus: System Select / CAN Bus Check.

      
      
      1. CAN Bus Check
      3. 
         

      Result
      Result Proceed to All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B

   4. Turn the power switch off.

   
   
   • AClick here
   • B

     GO TO CAN COMMUNICATION SYSTEMClick here

2. Click here

   CHECK DTC OUTPUT (HEALTH CHECK)

   Result
   Proceed to No DTCs are output. DTCs are output.

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Enter the following menus: System Select / Health Check.

   4. Check for DTCs.

      Result
      Proceed to No DTCs are output. DTCs are output.

   5. Turn the power switch off.

   
   
   • No DTCs are output.Click here
   • DTCs are output.

     GO TO DTC CHART

3. Click here

   READ VALUE USING GTS (ECO 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 / ECO Mode.

      
      
      1. Powertrain > Hybrid Control > Data List

         Tester Display
         ECO Mode

      2. 
         
         1. 
            
      3. 
         
         10. 
             

   4. Read the value displayed on the GTS.

      
      
      1. Powertrain > Hybrid Control > Data List

         Tester Display	Measurement Item	Range	Normal Condition
         ECO Mode	ECO mode transition availability	ON or OFF	In ECO mode: ON

      2. 
         
         10. 
             

      Result
      Result Proceed to The GTS display changes according to the mode switch (combination switch assembly) operation. A The GTS display does not change according to the mode switch (combination switch assembly) operation. B

   
   
   • A

     CHECK FOR INTERMITTENT PROBLEMSClick here

   • BClick here
4. Click here

   READ VALUE USING GTS (ECO SWITCH)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Enter the following menus: Body Electrical / Air Conditioning / Data List / ECO Switch.

      
      
      1. Body Electrical > Air Conditioner > Data List

         Tester Display
         ECO Switch

      2. 
         
         1. 
            
      3. 
         
         10. 
             

   4. Read the value displayed on the GTS.

      
      
      1. Body Electrical > Air Conditioner > Data List

         Tester Display	Measurement Item	Range	Normal Condition
         ECO Switch	Mode switch (combination switch assembly) condition	ON or OFF	Mode switch (combination switch assembly) being turned and held at ECO position: ON Mode switch (combination switch assembly) not turned: OFF

      2. 
         
         10. 
             

      Result
      Result Proceed to The GTS display changes according to the mode switch (combination switch assembly) operation. A The GTS display does not change according to the mode switch (combination switch assembly) operation. B

   
   
   • A

     REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLYClick here

   • BClick here
5. Click here

   INSPECT MODE SWITCH (COMBINATION SWITCH ASSEMBLY)

   
   

   1. Remove the mode switch (combination switch assembly).

      Click here

   2. 

      *a	Component without harness connected (Mode Switch (Combination Switch Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition 11 (ECO) - 16 (E) Mode switch (combination switch assembly) being turned and held at ECO position Below 50 Ω Mode switch (combination switch assembly) not turned 10 kΩ or higher 9 (NORM) - 16 (E) Mode switch (combination switch assembly) being pushed and held Below 50 Ω Mode switch (combination switch assembly) not pushed 10 kΩ or higher

   3. Install the mode switch (combination switch assembly).

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE MODE SWITCH (COMBINATION SWITCH ASSEMBLY)Click here

6. Click here

   CHECK HARNESS AND CONNECTOR (MODE SWITCH (COMBINATION SWITCH ASSEMBLY) - BODY GROUND)

   
   

   1. Disconnect the K81 mode switch (combination switch assembly) connector.

   2. 

      *a	Front view of wire harness connector (to Mode Switch (Combination Switch Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition K81-16 (E) - Body ground Always Below 1 Ω

   3. Reconnect the K81 mode switch (combination switch assembly) connector.

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

7. Click here

   CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - MODE SWITCH (COMBINATION SWITCH ASSEMBLY))

   
   

   1. Disconnect the K10 air conditioning amplifier assembly connector.

   2. Disconnect the K81 mode switch (combination switch assembly) connector.

   3. 

      *a	Front view of wire harness connector (to Air Conditioning Amplifier Assembly)
      *b	Front view of wire harness connector (to Mode Switch (Combination Switch Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition K10-29 (ECOS) - K81-11 (ECO) Always Below 1 Ω K10-29 (ECOS) or K81-11 (ECO) - Body ground Always 10 kΩ or higher

   4. Reconnect the K81 mode switch (combination switch assembly) connector.

   5. Reconnect the K10 air conditioning amplifier assembly connector.

      Result
      Proceed to OK NG

   
   
   • OK

     REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLYClick here

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR