FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) Wireless Transmitter Memory Function does not Operate

DESCRIPTION

With the ignition switch ON, press the manual door control switch LOCK or UNLOCK while holding a seat memory switch (M1 switch or M2 switch). Doing so registers the transmitter recognition code into the seat memory switch that was pressed. After registration is completed, the answer-back buzzer sounds.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK POWER DOOR LOCK CONTROL FUNCTION

   
   

   1. Using the standard operation procedure, check that the power door lock/unlock function operates normally Click here.

      OK
      Power door lock/unlock function operates normally.

   
   

   NG

   GO TO POWER DOOR LOCK CONTROL SYSTEM Click here

   OK

2. CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS

   
   

   1. Using the standard operation procedure, check that the wireless door lock/unlock function operates normally Click here.

      OK
      Wireless door lock/unlock function operates normally.

   
   

   NG

   GO TO WIRELESS DOOR LOCK CONTROL SYSTEM Click here

   OK

3. CHECK VEHICLE TYPE

   
   

   1. Check vehicle type.

      Result

      Result	Proceed to
      w/ Entry and Start System	A
      w/o Entry and Start System	B

   
   

   B

   CHECK SEAT MEMORY FUNCTION Click here

   A

4. CHECK ENTRY AND START SYSTEM (ENTRY UNLOCK FUNCTION)

   
   

   1. Check the entry unlock function of the entry and start system Click here.

      OK
      Entry unlock function operates normally.

   
   

   NG

   GO TO ENTRY AND START SYSTEM Click here

   OK

5. CHECK SEAT MEMORY FUNCTION

   
   

   1. Perform a seat memory operation properly Click here.

   2. Check that the buzzer sounds for 0.5 seconds to indicate the completion of the memory operation.

      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 fails, release all switches. The seat memory function does not operate unless the switches are released.

      OK
      Seat position memory function operates normally.

   
   

   NG

   GO TO PROBLEM SYMPTOMS TABLE (Power Seat Position is not Memorized) Click here

   OK

6. READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY)

   
   

   1. Using the intelligent tester, read the Data List Click here.

      Main Body

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

      OK
      On intelligent tester screen, each item changes between ON and OFF according to above chart.

   
   

   NG

   GO TO LIGHTING SYSTEM (Door Courtesy Switch Circuit) Click here

   OK

7. CHECK MEMORY CALL FUNCTION (MEMORY ERASURE)

   
   

   1. Perform the memory erasure operation Click here.

   
   

   NEXT

8. READ VALUE USING INTELLIGENT TESTER (MEMORY REGISTRATION)

   
   

   1. Perform the memory registration operation while checking the tester screen Click here.

      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: Related switch does not exist	-
      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: Related switch does not exist	-
      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: Related switch does not exist	-
      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: Related switch does not exist	-
      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: Related switch does not exist	-
      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: Related switch does not exist	-
      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: Related switch does not exist	-

      OK
      On the tester display, it is confirmed that the memory call is registered.

   
   

   NG

   REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

   OK

9. CHECK MEMORY CALL FUNCTION (SEAT MEMORY CALL)

   
   

   1. With a recognition code stored in memory, open the driver door after performing an entry unlock operation or pressing the transmitter unlock switch. Check that the driver side power seat moves to the memorized position Click here.

      OK
      Driver side power seat moves to the memorized position.

   
   

   NG

   GO TO PROBLEM SYMPTOMS TABLE (Wireless-linked Return Function does not Operate) Click here

   OK

   USE SIMULATION METHOD TO CHECK Click here