HYBRID CONTROL SYSTEM Pattern Select Switch Power Mode Circuit

DESCRIPTION

When selecting POWER mode, the switch operation signal is sent to the ECM. Following this, the drive torque is optimally controlled to obtain a sporty feel in response to the driver's accelerator pedal operation.

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. Enter the following menus: System Select / 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

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

   4. Check for DTCs.

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

   5. Turn the power switch off.

   
   

   B

   GO TO DTC CHART

   A

3. PERFORM ACTIVE TEST USING GTS (INDICAT. LAMP ECT PWP)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Enter the following menus: Body Electrical / Combination Meter / Active Test / Indicat. Lamp ECT PWR.

      
      Body Electrical > Combination Meter > Active Test

      Tester Display
      Indicat. Lamp ECT PWR

   4. Perform the "Indicat. Lamp ECT PWR" Active Test.

      OK
      The POWER mode indicator light comes on or blinks.

   5. Turn the power switch off.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY Click here

   OK

4. READ VALUE USING GTS (PATTERN SWITCH (PWR/M))

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Enter the following menus: Powertrain / Hybrid Control / Data List / Pattern Switch (PWR/M).

      
      Powertrain > Hybrid Control > Data List

      Tester Display
      Pattern Switch (PWR/M)

   4. Read the value displayed on the GTS.

      
      Powertrain > Hybrid Control > Data List

      Tester Display	Measurement Item	Range	Normal Condition
      Pattern Switch (PWR/M)	POWER mode transition availability	ON or OFF	In POWER mode: ON

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

   
   

   A

   CHECK FOR INTERMITTENT PROBLEMS Click here

   B

5. INSPECT POWER MODE SWITCH (COMBINATION SWITCH ASSEMBLY)

   
   

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

      Click here

   2. 

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition 8 (PWR) - 3 (E) POWER mode switch (combination switch assembly) being pushed and held Below 1 Ω POWER mode switch (combination switch assembly) not pushed 10 kΩ or higher

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

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE SPORT MODE SWITCH (COMBINATION SWITCH ASSEMBLY) Click here

   OK

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

   
   

   1. Disconnect the E114 POWER mode switch (combination switch assembly) connector.

   2. 

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition E114-3 (E) - Body ground Always Below 1 Ω

   3. Reconnect the E114 POWER mode switch (combination switch assembly) connector.

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

7. CHECK HARNESS AND CONNECTOR (ECM - POWER MODE SWITCH (COMBINATION SWITCH ASSEMBLY))

   
   

   1. Disconnect the B178 ECM connector.

   2. Disconnect the E114 POWER mode switch (combination switch assembly) connector.

   3. 

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition B178-132 (PWMS) - E114-8 (PWR) Always Below 1 Ω B178-132 (PWMS) or E114-8 (PWR) - Body ground Always 10 kΩ or higher

   4. Reconnect the E114 POWER mode switch (combination switch assembly) connector.

   5. Reconnect the B178 ECM connector.

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE ECM Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR