LIN COMMUNICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

VEHICLE BROUGHT TO WORKSHOP

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INSPECT BATTERY VOLTAGE

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

   
   

   NEXT

CHECK FOR DTC (ELECTRICAL POWER CONTROL SYSTEM)*

1. Using the intelligent tester, check if the electric power control system is functioning normally.

   Result:

   Result	Proceed to
   DTC B22B3 is not output	A
   DTC B22B3 is output	B

   
   

   B

   Go to ELECTRIC POWER CONTROL SYSTEM Click here

   A

INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

1. Using the intelligent tester, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

   Result:

   Result	Proceed to
   No DTCs output	A
   DTCs output (for LHD)	B
   DTCs output (for RHD)	C

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

CHECK FOR DTC OF LIN COMMUNICATION SYSTEM*

1. Using the intelligent tester, check for DTC the LIN communication.

   Result:

   Result	Proceed to
   No DTCs output	A
   DTCs output	B

   
   

   B

   DIAGNOSTIC TROUBLE CODE CHART Click here

   A

PROBLEM SYMPTOMS TABLE

B

Go to step 8

A

OVERALL ANALYSIS AND TROUBLESHOOTING*

1. Data List/Active Test Click here

2. Terminals of ECU Click here

   
   

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ADJUST, REPAIR OR REPLACE

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