TAIL GATE CLOSER SYSTEM Tail Gate does not Open with Back Door Remote Control

WIRING DIAGRAM

PROCEDURE

1. PERFORM ACTIVE TEST USING GTS (TAIL GATE PANEL OPEN)

   
   

   1. Select the Active Test, use the GTS 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.

   
   

   NG

   INSPECT LOWER TAIL GATE LOCK ASSEMBLY Click here

   OK

2. READ VALUE USING GTS (HANDLE SWITCH OF TAIL GATE PANEL)

   
   

   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.

   
   

   OK

   REPLACE NO. 2 MAIN BODY ECU Click here

   NG

   INSPECT BACK DOOR REMOTE CONTROL ASSEMBLY Click here

3. INSPECT LOWER TAIL GATE LOCK ASSEMBLY

   
   

   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.

      Result

      Result	Proceed to
      OK	A
      NG (for LH)	B
      NG (for RH)	C

   
   

   B

   REPLACE LOWER TAIL GATE LOCK ASSEMBLY LH Click here

   C

   REPLACE LOWER TAIL GATE LOCK ASSEMBLY RH Click here

   A

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

   
   

   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

   
   

   OK

   REPLACE NO. 2 MAIN BODY ECU Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

5. INSPECT BACK DOOR REMOTE CONTROL ASSEMBLY

   
   

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

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

   
   

   NG

   REPLACE BACK DOOR REMOTE CONTROL ASSEMBLY Click here

   OK

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

   
   

   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

   
   

   OK

   REPLACE NO. 2 MAIN BODY ECU Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR