Pattern Select Switch ECO Mode Circuit

HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: Pattern Select Switch Eco Mode Circuit
- Pattern Select Switch Eco Mode Circuit

DESCRIPTION

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

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (CAN BUS CHECK) EV Drive Mode Switch Circuit

B -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System
A -- Continue to next step.

2. CHECK DTC OUTPUT (ALL) EV Drive Mode Switch Circuit

B -- GO TO DTC CHART
A -- Continue to next step.

3. PERFORM ACTIVE TEST USING TECHSTREAM (COMBINATION METER)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Enter the following menus: Body Electrical / Combination Meter / Active Test / Indicat. ECO Mode.

(d) Perform the "Indicat. ECO Mode" Active Test.

OK





Result:





B -- REPLACE COMBINATION METER ASSEMBLY Components
A -- Continue to next step.

4. READ VALUE USING TECHSTREAM (ECO SWITCH)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Enter the following menus: Body Electrical / Air Conditioning / Data List / ECO Switch.

(d) Read the value displayed on the Techstream.





Result:





B -- CHECK PATTERN SELECT SWITCH (ECO SWITCH)

A -- CHECK FOR INTERMITTENT PROBLEMS Check For Intermittent Problems

5. CHECK PATTERN SELECT SWITCH (ECO SWITCH)

(a) Remove the pattern select switch (ECO switch).





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

Standard Resistance:





Text in Illustration





(c) Install the pattern select switch.

NG -- REPLACE PATTERN SELECT SWITCH (ECO SWITCH)
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (ECO SWITCH - BODY GROUND)

(a) Disconnect connector L78 from the pattern select switch (ECO switch).





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

Standard Resistance:





Text in Illustration





(c) Connect the pattern select switch connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

7. CHECK HARNESS AND CONNECTOR (ECO SWITCH - AIR CONDITIONING AMPLIFIER ASSEMBLY)

(a) Disconnect connector L78 from the pattern select switch.

(b) Disconnect connector L17 from the air conditioning amplifier assembly.

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





Standard Resistance:





Text in Illustration





(d) Connect the air conditioning amplifier assembly connector.

(e) Connect the pattern select switch connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Components