LIGHTING SYSTEM Door Unlock Detection Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   READ VALUE USING GTS

   
   

   1. Read the Data List according to the display on the GTS.

      Click here

      
      
      1. Body Electrical > Main Body > Data List

         Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
         FR Door Lock Pos	Front door RH unlock detection switch signal	UNLOCK or LOCK	UNLOCK: Front door RH unlocked LOCK: Front door RH locked	-
         FL Door Lock Pos	Front door LH unlock detection switch signal	UNLOCK or LOCK	UNLOCK: Front door LH unlocked LOCK: Front door LH locked	-
         RR-Door Lock Pos SW	Rear door RH unlock detection switch signal	OFF or ON	OFF: Rear door RH unlocked ON: Rear door RH locked	-
         RL-Door Lock Pos SW	Rear door LH unlock detection switch signal	OFF or ON	OFF: Rear door LH unlocked ON: Rear door LH locked	-

      2. 
         
         10. 
             
         11. 
             
         12. 
             
         13. 
             
      
      
      1. Body Electrical > Main Body > Data List

         Tester Display
         FR Door Lock Pos
         FL Door Lock Pos
         RR-Door Lock Pos SW
         RL-Door Lock Pos SW

      2. 
         
         1. 
            
      3. 
         
         10. 
             
         11. 
             
         12. 
             
         13. 
             

      OK
      Normal conditions listed above are displayed.

      Result
      Result Proceed to OK A NG ("FR Door Lock Pos" is abnormal) B NG ("FL Door Lock Pos" is abnormal) C NG ("RR-Door Lock Pos SW" is abnormal) D NG ("RL-Door Lock Pos SW" is abnormal) E

   
   
   • A

     PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

   • BClick here
   • CClick here
   • DClick here
   • EClick here
2. Click here

   INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH

   
   

   1. Remove the front door with motor lock assembly RH.

      Click here

   2. Inspect the front door with motor lock assembly RH.

      Click here

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY RHClick here

3. Click here

   CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

   
   

   1. Disconnect the H6 front door with motor lock assembly RH connector.

   2. Disconnect the 5D*1 or 5H*2 instrument panel junction block assembly connector.

      
      

      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      Table 1. for LHD Tester Connection Condition Specified Condition H6-5 (LSSR) - 5D-14 Always Below 1 Ω H6-6 (E) - Body ground Always Below 1 Ω H6-5 (LSSR) or 5D-14 - Body ground Always 10 kΩ or higher
      Table 2. for RHD Tester Connection Condition Specified Condition H6-5 (LSSR) - 5H-31 Always Below 1 Ω H6-6 (E) - Body ground Always Below 1 Ω H6-5 (LSSR) or 5H-31 - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

4. Click here

   CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

   
   
   1. 

      *a

      Component without harness connected (Instrument Panel Junction Block Assembly)

      -

      -

      for LHD:

      
      

      1. Remove the instrument panel junction block assembly.

         Click here

      2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

         Click here

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

         Standard Resistance
         Tester Connection Condition Specified Condition 5D-14 - A-17 (LSFR) Always Below 1 Ω

   2. 

      *a

      Component without harness connected (Instrument Panel Junction Block Assembly)

      -

      -

      for RHD:

      
      

      1. Remove the instrument panel junction block assembly.

         Click here

      2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

         Click here

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

         Standard Resistance
         Tester Connection Condition Specified Condition 5H-31 - A-17 (LSFR) Always Below 1 Ω

      Result
      Proceed to OK NG

   
   
   • OK

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

   • NG

     REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

     REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here

5. Click here

   INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

   
   

   1. Remove the front door with motor lock assembly LH.

      Click here

   2. Inspect the front door with motor lock assembly LH.

      Click here

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LHClick here

6. Click here

   CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

   
   

   1. Disconnect the H23 front door with motor lock assembly LH connector.

   2. Disconnect the 5H*1 or 5A*2 instrument panel junction block assembly connector.

      
      

      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      Table 3. for LHD Tester Connection Condition Specified Condition H23-10 (LSSR) - 5H-31 Always Below 1 Ω H23-9 (E) - Body ground Always Below 1 Ω H23-10 (LSSR) or 5H-31 - Body ground Always 10 kΩ or higher
      Table 4. for RHD Tester Connection Condition Specified Condition H23-10 (LSSR) - 5A-15 Always Below 1 Ω H23-9 (E) - Body ground Always Below 1 Ω H23-10 (LSSR) or 5A-15 - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

7. Click here

   CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

   
   
   1. 

      *a

      Component without harness connected (Instrument Panel Junction Block Assembly)

      -

      -

      for LHD:

      
      

      1. Remove the instrument panel junction block assembly.

         Click here

      2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

         Click here

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

         Standard Resistance
         Tester Connection Condition Specified Condition 5H-31 - A-19 (LSFL) Always Below 1 Ω

   2. 

      *a

      Component without harness connected (Instrument Panel Junction Block Assembly)

      -

      -

      for RHD:

      
      

      1. Remove the instrument panel junction block assembly.

         Click here

      2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

         Click here

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

         Standard Resistance
         Tester Connection Condition Specified Condition 5A-15 - A-19 (LSFL) Always Below 1 Ω

      Result
      Proceed to OK NG

   
   
   • OK

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

   • NG

     REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

     REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here

8. Click here

   INSPECT REAR DOOR LOCK ASSEMBLY RH

   
   

   1. Remove the rear door lock assembly RH.

      Click here

   2. Inspect the rear door lock assembly RH.

      Click here

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE REAR DOOR LOCK ASSEMBLY RHClick here

9. Click here

   CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY RH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])

   
   

   1. Disconnect the K2 rear door lock assembly RH connector.

   2. Disconnect the G13 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition K2-5 (LSSR) - G13-20 (LSWR) Always Below 1 Ω K2-6 (E) - Body ground Always Below 1 Ω K2-5 (LSSR) or G13-20 (LSWR) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OK

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

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

10. Click here

    INSPECT REAR DOOR LOCK ASSEMBLY LH

    
    

    1. Remove the rear door lock assembly LH.

       Click here

    2. Inspect the rear door lock assembly LH.

       Click here

       Result
       Proceed to OK NG

    
    
    • OKClick here
    • NG

      REPLACE REAR DOOR LOCK ASSEMBLY LHClick here

11. Click here

    CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    
    

    1. Disconnect the K16 rear door lock assembly LH connector.

    2. Disconnect the 5H*1 or 5D*2 instrument panel junction block assembly connector.

       
       

       • *1: for LHD

       • *2: for RHD

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

       Standard Resistance
       Table 5. for LHD Tester Connection Condition Specified Condition K16-9 (LSSR) - 5H-21 Always Below 1 Ω K16-10 (E) - Body ground Always Below 1 Ω K16-9 (LSSR) or 5H-21 - Body ground Always 10 kΩ or higher
       Table 6. for RHD Tester Connection Condition Specified Condition K16-9 (LSSR) - 5D-12 Always Below 1 Ω K16-10 (E) - Body ground Always Below 1 Ω K16-9 (LSSR) or 5D-12 - Body ground Always 10 kΩ or higher

       Result
       Proceed to OK NG

    
    
    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

12. Click here

    CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

    
    
    1. 

       *a

       Component without harness connected (Instrument Panel Junction Block Assembly)

       -

       -

       for LHD:

       
       

       1. Remove the instrument panel junction block assembly.

          Click here

       2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

          Click here

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

          Standard Resistance
          Tester Connection Condition Specified Condition 5H-21 - A-5 (LSWL) Always Below 1 Ω

    2. 

       *a

       Component without harness connected (Instrument Panel Junction Block Assembly)

       -

       -

       for RHD:

       
       

       1. Remove the instrument panel junction block assembly.

          Click here

       2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

          Click here

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

          Standard Resistance
          Tester Connection Condition Specified Condition 5D-12 - A-5 (LSWL) Always Below 1 Ω

       Result
       Proceed to OK NG

    
    
    • OK

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

    • NG

      REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here