Pattern Select Switch Circuit: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Check the ECUs connected to the CAN bus. Refer to DIAGNOSIS SYSTEM .

   Result

   Result	Proceed to
   No malfunction appears	A
   Malfunction appears	B

B → See step   10 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Check for DTCs.

   Result

   Condition	Proceed to
   DTC is not output	A
   CAN system DTC is output	B
   LIN system DTC is output	C

B → See step   6 

C → See step   7 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body / Combination Meter / Active Test.
5. Check the condition of the pattern select indicator light by operating the Techstream.
   COMBINATION METER
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Indicat. Lamp ECT PWR	Pattern select indicator light (PWR)	ON or OFF	-
   Indicat. Lamp ECT SNOW	Pattern select indicator light (SNOW)	ON or OFF	-

   OK

   Indicator light turns on or off according to the Techstream operation.

NG → See step   8 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body / Center Console Switch / Data List.
5. Read the value displayed on the Techstream.
   CENTER CONSOLE SWITCH
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   ECT Power Mode Switch	Pattern select switch (PWR) status/ ON or OFF	Pattern select switch (PWR): Pushed: ON Not pushed: OFF	-
   ECT Snow Mode Switch	Pattern select switch (SNOW) status/ ON or OFF	When turning engine switch on (IG): OFF ↓ Pattern select switch (SNOW) is pushed: ON ↓ Pattern select switch (SNOW) is pushed again: OFF	-

   OK

   On the Techstream screen, item changes between ON and OFF according to switch operation.

NG → REPLACE NO. 1 CONSOLE SWITCH 

OK: Go to next step 

1. Replace the TCM. Refer to REMOVAL .

NEXT → See step   9