HYBRID CONTROL SYSTEM Pattern Select Switch Eco Mode Circuit

DESCRIPTION

When the ECO mode switch (satellite switch set) is operated to the ECO mode side, the ECO mode signal is sent to the air conditioning amplifier assembly, and the power save mode of the heater and air conditioning system is activated.

WIRING DIAGRAM

PROCEDURE

1. READ VALUE USING GTS (CAN BUS CHECK)

   Result
   Proceed to A B

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

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

      
      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

   5. Turn the power switch off.

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

2. CHECK DTC OUTPUT (HEALTH CHECK)

   Result
   Proceed to A B

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

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

   5. Check for DTCs.

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

   6. Turn the power switch off.

   
   

   B

   GO TO DTC CHART

   A

3. READ VALUE USING GTS (ECO SWITCH)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Air Conditioner / Data List / ECO Switch.

      
      Body Electrical > Air Conditioner > Data List

      Tester Display
      ECO Switch

   5. Read the value displayed on the GTS.

      
      Body Electrical > Air Conditioner > Data List

      Tester Display	Measurement Item	Range	Normal Condition
      ECO Switch	ECO mode switch (satellite switch set) condition	ON or OFF	ECO mode switch (satellite switch set) not operated: OFF ECO mode switch (satellite switch set) being pushed and held: ON

      Result
      Result Proceed to The display changes according to the ECO mode switch (satellite switch set) operation. A The display does not change according to the ECO mode switch (satellite switch set) operation. B

   6. Turn the power switch off.

   
   

   A

   REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

   B

4. INSPECT ECO MODE SWITCH (SATELLITE SWITCH SET)

   
   

   1. Inspect the ECO mode switch (satellite switch set).

      for 2WD:

      Click here

      for AWD:

      Click here

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE ECO MODE SWITCH (SATELLITE SWITCH SET) for 2WD: REPLACE ECO MODE SWITCH (SATELLITE SWITCH SET) Click here REPLACE ECO MODE SWITCH (SATELLITE SWITCH SET) for AWD: REPLACE ECO MODE SWITCH (SATELLITE SWITCH SET) Click here

   OK

5. CHECK HARNESS AND CONNECTOR (ECO MODE SWITCH (SATELLITE SWITCH SET) - BODY GROUND)

   
   

   1. Disconnect the G49 ECO mode switch (satellite switch set) connector.

   2. 

      *a	Front view of wire harness connector (to ECO Mode Switch (Satellite Switch Set))

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

      Standard Resistance
      Tester Connection Condition Specified Condition G49-7 (GND) - Body ground Power switch off Below 1 Ω

   3. Reconnect the G49 ECO mode switch (satellite switch set) connector.

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

6. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - ECO MODE SWITCH (SATELLITE SWITCH SET))

   
   

   1. Disconnect the G64 air conditioning amplifier assembly connector.

   2. Disconnect the G49 ECO mode switch (satellite switch set) connector.

   3. 

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition G64-20 (ECOS) - G49-6 (ECU) Power switch off Below 1 Ω G64-20 (ECOS) or G49-6 (ECU) - Body ground Power switch off 10 kΩ or higher

   4. Reconnect the G49 ECO mode switch (satellite switch set) connector.

   5. Reconnect the G64 air conditioning amplifier assembly connector.

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR