Tail Gate Closer System Tail Gate Does Not Open With Back Door Remote Control

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (TAIL GATE PANEL OPEN)

READ VALUE USING INTELLIGENT TESTER (HANDLE SWITCH OF TAIL GATE PANEL)

INSPECT LOWER TAIL GATE LOCK ASSEMBLY

CHECK HARNESS AND CONNECTOR (LOWER TAIL GATE LOCK ASSEMBLY - NO. 2 MAIN BODY ECU)

INSPECT BACK DOOR REMOTE CONTROL ASSEMBLY

CHECK HARNESS AND CONNECTOR (BACK DOOR REMOTE CONTROL ASSEMBLY - NO. 2 MAIN BODY ECU AND BODY GROUND)

WIRING DIAGRAM

INSPECTION PROCEDURE

1. Select the Active Test, use the intelligent tester to generate a control command, and check that the lower tail gate lock operates (Click here).
   
   

   Body No. 4

   Tester Display	Test Part	Control Range	Diagnostic Note
   Tail Gate Panel Open	Lower tail gate lock	ON / OFF	The back door must be open.

   OK:

   Lower tail gate lock operates normally.
   

1. Check the Data List for proper functioning of the back door remote control (Click here).
   
   

   Body No. 4

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Handle Switch of tail gate panel	Back door remote control signal / ON or OFF	ON: Back door remote control pulled OFF: Back door remote control free	-

   OK:

   The display is as specified in the normal condition.
   

1. for LH:
   

   1. Remove the lower tail gate lock assembly LH (Click here).
      

   2. Inspect the lower tail gate lock assembly LH (Click here).
      

2. for RH:
   

   1. Remove the lower tail gate lock assembly RH (Click here).
      

   2. Inspect the lower tail gate lock assembly RH (Click here).
      

1. for LH:
   

   1. Disconnect the h5 lower tail gate lock assembly LH connector.
      

   2. Disconnect the L51 No. 2 main body ECU connector.
      

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

      Standard Resistance:

      Tester Connection	Condition	Specified Condition
      h5-5 (ACT+) - L51-3 (DC+)	Always	Below 1 Ω
      h5-6 (ACT-) - L51-8 (DC-)	Always	Below 1 Ω
      h5-5 (ACT+) - Body ground	Always	10 kΩ or higher
      h5-6 (ACT-) - Body ground	Always	10 kΩ or higher

2. for RH:
   

   1. Disconnect the h4 lower tail gate lock assembly RH connector.
      

   2. Disconnect the L51 No. 2 main body ECU connector.
      

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

      Standard Resistance:

      Tester Connection	Condition	Specified Condition
      h4-5 (ACT+) - L51-2 (DC+)	Always	Below 1 Ω
      h4-6 (ACT-) - L51-1 (DC-)	Always	Below 1 Ω
      h4-5 (ACT+) - Body ground	Always	10 kΩ or higher
      h4-6 (ACT-) - Body ground	Always	10 kΩ or higher

1. Remove the back door remote control assembly (Click here).
   

2. Inspect the back door remote control assembly (Click here).
   

1. Disconnect the h3 back door remote control assembly connector.
   

2. Disconnect the L50 No. 2 main body ECU connector.
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   h3-2 - L50-19 (BDSU)	Always	Below 1 Ω
   h3-1 - Body ground	Always	Below 1 Ω
   h3-2 - Body ground	Always	10 kΩ or higher