Wireless Transmitter Memory Function does not Operate [09/2014 - ]: Procedure

1. Use the Techstream to check if the CAN communication system is functioning normally (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] ).

   OK

   CAN communication DTC is not output.

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

Result: 

OK 

See step  2

1. Check the manual lock/unlock function by using the multiplex network master switch assembly (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Manual lock/unlock function operates normally.

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )

Result: 

OK 

See step  3

1. Check the entry unlock function of smart access system with push-button start (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Entry unlock function operates normally.

Result: 

NG 

GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )

Result: 

OK 

See step  4

1. Perform a seat position memory function (Refer to OPERATION CHECK [09/2014 - ] ).
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of the seat position memory function.
   NOTE:

   • The seat position will not be recorded if the SET switch and 2 or more of the seat memory switches (for example, M1 switch and M2 switch) are pressed simultaneously.
   • If a memorizing operation has failed, release all switches. The seat memory function does not operate unless the switches are released.

   OK

   Seat position memory function operates normally.

Result: 

NG 

GO TO OTHER FLOW CHART (Power Seat Position is not Memorized) 

(Refer to Power Seat Position is not Memorized [09/2014 - ] )

Result: 

OK 

See step  5

1. Perform a seat position restoring function (Refer to OPERATION CHECK [09/2014 - ] ).
2. Check that the buzzer sounds for 0.1 seconds and the seat automatically moves to the memorized position.
   NOTE:

   • The seat position will not return to the memorized position if 2 or more of the seat memory switches (for example, M1 switch and M2 switch) are pressed simultaneously.
   • If a restoring operation has failed, release all switches. The seat memory restoring function does not operate unless the switches are released.

   OK

   Seat position restoring function operates normally.

Result: 

NG 

GO TO OTHER FLOW CHART (Power Seat does not Return to Memorized Position) 

(Refer to Power Seat does not Return to Memorized Position [09/2014 - 10/2015] , or refer to Power Seat does not Return to Memorized Position [10/2015 - ] )

Result: 

OK 

See step  6

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 Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.
   MAIN BODY (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   FL Door Courtesy	Front door courtesy light switch assembly signal / ON or OFF	ON: Driver door open OFF: Driver door closed	-

   OK

   ON or OFF appears on the screen according to the driver door condition.

Result: 

NG 

GO TO LIGHTING SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )

Result: 

OK 

See step  7

1. When the following conditions are met, press the manual lock or unlock switch on the multiplex network master switch assembly.
   • Engine switch is off
   • Press and hold the M1, M2 or M3 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of the memory call registration function (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Buzzer sounds normally.

Result: 

NG 

See step  10

Result: 

OK 

See step  8

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 Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.
   MAIN BODY (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Mem SW No. w/KeyID1	Memory switch linked with key ID1 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID1 MEM SW1: M1 switch linked with key ID1 MEM SW2: M2 switch linked with key ID1 MEM SW3: M3 switch linked with key ID1	-
   Mem SW No. w/KeyID2	Memory switch linked with key ID2 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID2 MEM SW1: M1 switch linked with key ID2 MEM SW2: M2 switch linked with key ID2 MEM SW3: M3 switch linked with key ID2	-
   Mem SW No. w/KeyID3	Memory switch linked with key ID3 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID3 MEM SW1: M1 switch linked with key ID3 MEM SW2: M2 switch linked with key ID3 MEM SW3: M3 switch linked with key ID3	-
   Mem SW No. w/KeyID4	Memory switch linked with key ID4 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID4 MEM SW1: M1 switch linked with key ID4 MEM SW2: M2 switch linked with key ID4 MEM SW3: M3 switch linked with key ID4	-
   Mem SW No. w/KeyID5	Memory switch linked with key ID5 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID5 MEM SW1: M1 switch linked with key ID5 MEM SW2: M2 switch linked with key ID5 MEM SW3: M3 switch linked with key ID5	-
   Mem SW No. w/KeyID6	Memory switch linked with key ID6 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID6 MEM SW1: M1 switch linked with key ID6 MEM SW2: M2 switch linked with key ID6 MEM SW3: M3 switch linked with key ID6	-
   Mem SW No. w/KeyID7	Memory switch linked with key ID7 / NONE, MEM SW1, MEM SW2, or MEM SW3	NONE: No switches linked with key ID7 MEM SW1: M1 switch linked with key ID7 MEM SW2: M2 switch linked with key ID7 MEM SW3: M3 switch linked with key ID7	-

   OK

   On the Techstream display, it is confirmed that the memory call has been registered.

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [09/2014 - ] )

Result: 

OK 

See step  9

1. Turn the engine switch off.
2. Close and lock all doors.
3. Unlock the driver door by pressing the unlock switch of the memory call registered key or touching the driver door outside handle while holding the memory call registered key.
4. Open the driver door and check that the driver seat moves to the memorized position (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Driver seat moves to the memorized position.

Result: 

OK 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

Result: 

NG 

GO TO OTHER FLOW CHART (Wireless-linked Return Function does not Operate) 

(Refer to Wireless-linked Return Function does not Operate [09/2014 - ] )

1. Temporarily replace the main body ECU (multiplex network body ECU) with a new one (Refer to REMOVAL [09/2014 - ] ).

Result: 

NEXT 

See step  11

1. When the following conditions are met, press the manual lock or unlock switch on the multiplex network master switch assembly.
   • Engine switch is off
   • Press and hold the M1, M2 or M3 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of the memory call registration function (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Buzzer sounds normally.

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (for Standard Seat Type)	B
   NG (for Sports Seat Type, Luxury Seat Type)	C

Result: 

A 

END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] WAS DEFECTIVE) 

Result: 

C 

See step  14

Result: 

B 

See step  12

1. Temporarily replace the power seat switch assembly with a new or normally functioning one (Refer to REMOVAL [09/2014 - ] ).

Result: 

NEXT 

See step  13

1. When the following conditions are met, press the manual lock or unlock switch on the multiplex network master switch assembly.
   • Engine switch is off
   • Press and hold the M1, M2 or M3 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of the memory call registration function (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Buzzer sounds normally.

Result: 

OK 

END (POWER SEAT SWITCH ASSEMBLY WAS DEFECTIVE) 

Result: 

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

(Refer to REMOVAL [09/2014 - ] )

1. Temporarily replace the position control ECU assembly with a new or normally functioning one.
   • for Sports Seat Type : (Refer to REMOVAL [09/2014 - ] )
   • for Luxury Seat Type : (Refer to REMOVAL [09/2014 - ] )

Result: 

NEXT 

See step  15

1. When the following conditions are met, press the manual lock or unlock switch on the multiplex network master switch assembly.
   • Engine switch is off
   • Press and hold the M1, M2 or M3 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of the memory call registration function (Refer to OPERATION CHECK [09/2014 - ] ).

   OK

   Buzzer sounds normally.

Result: 

OK 

END (POSITION CONTROL ECU ASSEMBLY WAS DEFECTIVE) 

Result: 

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

(Refer to REMOVAL [09/2014 - ] )