Wireless Transmitter Memory Function does not Operate [08/2014 - ]: Procedure

1. Use the Techstream to check if the CAN communication system is functioning normally (See article. Refer to DIAGNOSIS SYSTEM [08/2014 - 08/2015] Refer to DIAGNOSIS SYSTEM [08/2015 - ] ).

   OK

   CAN communication DTC is not output.

Result:  NG

NG 

GO TO CAN COMMUNICATION SYSTEM 

(See article. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] )

Result:  OK

OK 

See step  2

1. Check the manual lock/unlock function by using the multiplex network master switch assembly (See article. Refer to OPERATION CHECK [08/2014 - ] ).

   OK

   Manual lock/unlock function operates normally.

Result:  NG

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM 

(See article. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] )

Result:  OK

OK 

See step  3

1. Check that the hybrid control system starts normally when the power switch is pressed with carrying the key and the brake pedal depressed (See article. Refer to OPERATION CHECK [08/2014 - ] ).

   OK

   Hybrid control system starts normally.

Result:  NG

NG 

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

(See article. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] )

Result:  OK

OK 

See step  4

1. Perform a seat position memory function (See article. Refer to OPERATION CHECK [08/2014 - ] ).
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

NG 

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

(See article. Refer to Power Seat Position is not Memorized [08/2014 - ] )

Result:  OK

OK 

See step  5

1. Perform a seat position restoring function (See article. Refer to OPERATION CHECK [08/2014 - ] ).
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

NG 

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

(See article. Refer to Power Seat does not Return to Memorized Position [08/2014 - ] )

Result:  OK

OK 

See step  6

1. Connect the Techstream to the DLC3.
2. Turn the power 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 Connection	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

NG 

GO TO LIGHTING SYSTEM (Door Courtesy Switch Circuit) 

(See article. Refer to Door Courtesy Switch Circuit [08/2014 - ] )

Result:  OK

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.
   • Power 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 (See article. Refer to OPERATION CHECK [08/2014 - ] ).

   OK

   Buzzer sounds normally.

Result:  NG

NG 

See step  10

Result:  OK

OK 

See step  8

1. Connect the Techstream to the DLC3.
2. Turn the power 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

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(See article. Refer to REMOVAL [08/2014 - ] )

Result:  OK

OK 

See step  9

1. Turn the power 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 with holding the memory call registered key.
4. Open the driver door and check that the driver seat moves to the memorized position (See article. Refer to OPERATION CHECK [08/2014 - ] ).

   OK

   Driver seat moves to the memorized position.

Result:  OK

OK 

USE SIMULATION METHOD TO CHECK 

(See article. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] )

Result:  NG

NG 

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

(See article. Refer to Wireless-linked Return Function does not Operate [08/2014 - ] )

1. Replace the main body ECU (multiplex network body ECU) (See article. Refer to REMOVAL [08/2014 - ] ).

Result:  NEXT

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.
   • Power 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 (See article. Refer to OPERATION CHECK [08/2014 - ] ).

   OK

   Buzzer sounds normally.

Result:  OK

OK 

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

Result:  NG

NG 

See step  12

1. Replace the position control ECU and switch assembly (See article. Refer to REMOVAL [08/2014 - ] ).

Result:  NEXT

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.
   • Power 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 (See article. Refer to OPERATION CHECK [08/2014 - ] ).

   OK

   Buzzer sounds normally.

Result:  OK

OK 

END (POSITION CONTROL ECU AND SWITCH ASSEMBLY WAS DEFECTIVE) 

Result:  NG

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

(See article. Refer to REMOVAL [08/2014 - ] )