Wireless Transmitter Memory Function does not Operate [10/2014 - ]: Procedure

1. Check the manual lock/unlock function by using the door control switch (power window regulator master switch assembly) (Refer to OPERATION CHECK [10/2014 - ] ).

   OK

   Manual lock/unlock function operates normally.

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - ] )

Result: 

OK 

See step  2

1. Check that the engine starts normally when the engine switch is pressed with carrying the key and the brake pedal depressed.

   OK

   Engine starts normally.

Result: 

NG 

GO TO SMART KEY SYSTEM (for Start Function) 

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

Result: 

OK 

See step  3

1. Store a seat position in memory (Refer to OPERATION CHECK [10/2014 - ] ).
2. Check that the buzzer sounds for 0.5 seconds to indicate that a position has been stored.
   NOTE:

   • The seat position will not be recorded if the SET switch and 2 of the seat memory switches 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 DIAGNOSIS PROCEDURE (Power Seat Position is not Memorized) 

(Refer to Power Seat Position is not Memorized [10/2014 - ] )

Result: 

OK 

See step  4

1. Restore a memorized seat position (Refer to OPERATION CHECK [10/2014 - ] ).
2. Check that the buzzer sounds for 0.1 seconds and the seat automatically moves to the memorized position.
   NOTE:

   • The seat will not return to the memorized position if 2 of the seat memory switches 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 DIAGNOSIS PROCEDURE (Power Seat does not Return to Memorized Position) 

(Refer to Power Seat does not Return to Memorized Position [10/2014 - ] )

Result: 

OK 

See step  5

1. Connect the Techstream tester to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream tester on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream tester.
   MAIN BODY
   
   

   Tester Connection	Measurement Item/Range	Normal Condition	Diagnostic Note
   FL Door Courtesy SW	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 (Front Door Courtesy Switch Circuit) 

(Refer to Front Door Courtesy Switch Circuit [10/2014 - ] )

Result: 

OK 

See step  6

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 or M2 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of memory call registration (Refer to OPERATION CHECK [10/2014 - ] ).

   OK

   Buzzer sounds normally.

Result: 

NG 

See step  9

Result: 

OK 

See step  7

1. Connect the Techstream tester to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream tester on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream tester.
   MAIN BODY
   
   

   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*	-

   • *: Although the item is displayed on the Techstream tester, it is not applicable to this vehicle.

   OK

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

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [10/2014 - ] )

Result: 

OK 

See step  8

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 [10/2014 - ] ).

   OK

   Driver seat moves to the memorized position.

Result: 

OK 

USE SIMULATION METHOD TO CHECK 

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

Result: 

NG 

GO TO OTHER DIAGNOSIS PROCEDURE (Wireless-linked Return Function does not Operate) 

(Refer to Wireless-linked Return Function does not Operate [10/2014 - ] )

1. Replace the main body ECU (multiplex network body ECU) (Refer to REMOVAL [10/2014 - ] ).

Result: 

NEXT 

See step  10

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 or M2 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of memory call registration (Refer to OPERATION CHECK [10/2014 - ] ).

   OK

   Buzzer sounds normally.

Result: 

OK 

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

Result: 

NG 

See step  11

1. Replace the front power seat switch LH (Refer to REMOVAL [10/2014 - ] ).

Result: 

NEXT 

See step  12

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 or M2 seat memory switch
   • Driver door closed
   • Carry the key
2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of memory call registration (Refer to OPERATION CHECK [10/2014 - ] ).

   OK

   Buzzer sounds normally.

Result: 

OK 

END (FRONT POWER SEAT SWITCH LH WAS DEFECTIVE) 

Result: 

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)