Entry And Start System (For Entry Function) Back Door Entry Lock And Unlock Functions Do Not Operate

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK POWER DOOR LOCK OPERATION

CHECK VEHICLE EQUIPMENT

CHECK POWER BACK DOOR OPERATION

READ VALUE USING INTELLIGENT TESTER (DOOR LOCK POSITION SWITCH)

READ VALUE USING INTELLIGENT TESTER (BACK DOOR LOCK SWITCH, BACK DOOR OPEN SWITCH)

CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - BACK DOOR ELECTRICAL KEY ANTENNA [for Outer])

REPLACE BACK DOOR ELECTRICAL KEY ANTENNA (for Outer)

CHECK BACK DOOR ELECTRICAL KEY ANTENNA [for Outer] (OPERATION)

CHECK HARNESS AND CONNECTOR (BACK DOOR OPENER SWITCH - BODY GROUND)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

Before performing the inspection, check that there are no problems related to the "CAN Communication System" and "LIN Communication System".

1. When the door control switch of the master switch assembly is operated, check that the locked doors unlock.
   

   OK:

   Door locks operate normally.
   

1. Check if the power back door is equipped on the vehicle.
   

   Result

   Result	Proceed to
   w/ Power Back Door System	A
   w/o Power Back Door System	B

1. When the power back door switch is operated, check that the power back door open and close.
   

   OK:

   Power back door system is normal.
   

   Result

   Result	Proceed to
   Power back door system is abnormal	A
   Power back door system is normal	B

1. Connect the intelligent tester to the DLC3.
   

2. Turn the engine switch on (IG).
   

3. Turn the intelligent tester on.
   

4. Enter the following menus: Body / Main Body / Data List.
   

5. Read the Data List according to the display on the intelligent tester.
   
   

   Main Body

   Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
   Back Lock Pos switch	Back door lock position switch signal / ON or OFF	ON: Back door is unlocked OFF: Back door is locked	-

   OK:

   On the intelligent tester screen, the display changes between ON and OFF as shown in the chart above.
   

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

   Main Body

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Back Door Handle SW	Back door open switch / ON or OFF	ON: Back door open switch is pushed OFF: Back door open switch is not pushed	-

   
   

   Entry&Start

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Tr/B-Door Lock SW	Back door lock switch / ON or OFF	ON: Back door lock switch is pushed OFF: Back door lock switch is not pushed	-

   OK:

   "ON" (switch is pushed) and "OFF" (switch is not pushed) appears on the screen.
   

1. Disconnect the E29 ECU connector.
   

2. Disconnect the K23 antenna connector.
   

3. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   E29-31 (CLG8) - K23-1 (CLG5)	Always	Below 1 Ω
   E29-32 (CG8B) - K23-2 (CLGB)	Always	Below 1 Ω
   E29-31 (CLG8) - Body ground	Always	10 kΩ or higher
   E29-32 (CG8B) - Body ground	Always	10 kΩ or higher

1. Replace the back door electrical key antenna (Click here).
   

1. Check that the entry functions operate normally.
   

   OK:

   Entry functions operate normally.
   

1. Disconnect the S7 switch connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   S7-2 (L) - Body ground	Always	Below 1 Ω