POWER BACK DOOR SYSTEM Jam Protection Function Activates During Power Back Door Operation

DESCRIPTION

When the jam protection function activates during power back door operation, one of the following may be the cause: 1) improper fit of back door, or a foreign object is stuck in the back door, 2) malfunctioning power back door sensor assembly circuit or 3) malfunctioning multiplex network door ECU.

WIRING DIAGRAM

*a	Power Back Door Sensor Assembly LH
*b	Power Back Door Sensor Assembly RH
*c	Multiplex Network Door ECU

CAUTION / NOTICE / HINT

PROCEDURE

1. CHECK POWER BACK DOOR SYSTEM

   
   

   1. Check if there are any foreign objects interfering with back door operation.

      Result
      Result Proceed to There are no foreign objects A There are foreign objects B

   
   

   B

   REMOVE FOREIGN OBJECT

   A

2. CHECK BACK DOOR OPERATION

   
   

   1. Check back door operation.

      
      

      1. Turn the main switch so that it is on.

         Click here

         Note

         This check is possible only when the "Power Back Door Function" customization setting using the multi-information display in the combination meter assembly is set to OFF (initial setting is ON).

      2. Open/close the back door by hand.

      Result
      Result Proceed to The back door fully opens and closes smoothly A The back door does not fully open and close smoothly B

   2. Check main switch condition.

      Note

      The "Power Back Door Function" customization setting using the multi-information display in the combination meter assembly is set to ON (initial setting is ON).

      
      

      1. Turn the main switch so that it is off.

         Click here

   
   

   B

   ADJUST BACK DOOR

   A

3. READ VALUE USING GTS

   
   

   1. Check the Data List to determine if the power back door sensor assembly functions properly.

      Click here

      
      Body Electrical > Back Door > Data List

      Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
      PBD Touch Sensor (Right)	Power back door sensor assembly RH signal	ON, OFF or Open	ON: Power back door sensor assembly RH pressed OFF: Power back door sensor assembly RH not pressed Open: Power back door sensor assembly RH circuit open	-
      PBD Touch Sensor (Left)	Power back door sensor assembly LH signal	ON, OFF or Open	ON: Power back door sensor assembly LH pressed OFF: Power back door sensor assembly LH not pressed Open: Power back door sensor assembly LH circuit open	-

      
      Body Electrical > Back Door > Data List

      Tester Display
      PBD Touch Sensor (Right)
      PBD Touch Sensor (Left)

      Result
      Result Proceed to On the GTS screen, ON or OFF is displayed accordingly A On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly RH B On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly LH C

   
   

   B

   INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH Click here

   C

   INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH Click here

   A

4. REPLACE POWER BACK DOOR UNIT ASSEMBLY SET (LH/RH)

   
   

   1. Temporarily replace the power back door unit assembly set with a new or normally functioning one.

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

5. CHECK POWER BACK DOOR SYSTEM

   
   

   1. Check power back door system operation.

      Click here

      OK
      Power back door system operates normally

      Result
      Proceed to OK NG

   
   

   OK

   END (POWER BACK DOOR UNIT ASSEMBLY SET WAS DEFECTIVE)

   NG

   REPLACE MULTIPLEX NETWORK DOOR ECU Click here

6. INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH

   
   

   1. Remove the power back door sensor assembly RH.

      Click here

   2. Inspect the power back door sensor assembly RH.

      Click here

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH Click here

   OK

7. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)

   
   

   1. Disconnect the U10 power back door sensor assembly RH connector.

   2. Disconnect the U29 multiplex network door ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition U10-1 (OSR) - U29-6 (OSR) Always Below 1 Ω U10-2 (OSRE) - U29-24 (OSE) Always Below 1 Ω U10-1 (OSR) or U29-6 (OSR) - Body ground Always 10 kΩ or higher U10-2 (OSRE) or U29-24 (OSE) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE MULTIPLEX NETWORK DOOR ECU Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

8. INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH

   
   

   1. Remove the power back door sensor assembly LH.

      Click here

   2. Inspect the power back door sensor assembly LH.

      Click here

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH Click here

   OK

9. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)

   
   

   1. Disconnect the U11 power back door sensor assembly LH connector.

   2. Disconnect the U29 multiplex network door ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition U11-1 (OSL) - U29-26 (OSL) Always Below 1 Ω U11-2 (OSLE) - U29-24 (OSE) Always Below 1 Ω U11-1 (OSL) or U29-26 (OSL) - Body ground Always 10 kΩ or higher U11-2 (OSLE) or U29-24 (OSE) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE MULTIPLEX NETWORK DOOR ECU Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR