ENTRY AND START SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

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INSPECT AUXILIARY BATTERY VOLTAGE

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

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INSPECT 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)	B
   CAN DTC is output (for RHD)	C

   
   

   B

   Go to CAN COMMUNICATION SYSTEM (for LHD) Click here

   C

   Go to CAN COMMUNICATION SYSTEM (for RHD) Click here

   A

INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

1. Use the intelligent tester to 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. Check for DTCs. Based on the DTCs output above, try to cause the output of the same steering lock system DTC or engine immobiliser system DTC by simulating the symptoms indicated by the DTC.

   Result

   Result	Proceed to
   DTC output does not reoccur	A
   Steering lock system DTC output reoccurs	B
   Engine immobiliser system DTC output reoccurs	C

   
   

   B

   Go to STEERING LOCK SYSTEM Click here

   C

   Go to ENGINE IMMOBILISER SYSTEM Click here

   A

PROBLEM SYMPTOMS TABLE

1. Refer to the 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

   Go to step 8

   A

OVERALL ANALYSIS AND TROUBLESHOOTING*

1. Operation check Click here

2. Data List /Active Test Click here

3. Terminals of ECU Click here

   
   

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REPAIR OR REPLACEMENT

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CONFIRMATION TEST

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