POWER DOOR LOCK CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

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INSPECT BATTERY VOLTAGE

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

1. Use the intelligent tester to check if the CAN communication system is functioning normally Click here.

   Result

   Result	Proceed to
   CAN DTC is not output	A
   CAN DTC is output (for LHD with Entry and Start System)	B
   CAN DTC is output (for LHD without Entry and Start System)	C
   CAN DTC is output (for RHD with Entry and Start System)	D
   CAN DTC is output (for LHD without Entry and Start System)	E

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   D

   GO TO CAN COMMUNICATION SYSTEM Click here

   E

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

1. Check if the LIN communication system is functioning normally.

   Result

   Result	Proceed to
   LIN DTC is not output	A
   LIN DTC is output	B

   
   

   B

   GO TO LIN COMMUNICATION SYSTEM Click here

   A

CHECK FOR DTC*

1. Clear the DTCs Click here.

2. Recheck for DTCs.

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

PROBLEM SYMPTOMS TABLE

1. Refer to Problem Symptoms Table Click here.

   Result

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	B

   
   

   B

   ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

   A

OVERALL ANALYSIS AND TROUBLESHOOTING*

1. Operation Check Click here.

2. Terminals of ECU Click here.

3. Data List / Active Test Click here.

   
   

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REPAIR OR REPLACE

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CONFIRMATION TEST

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