POWER INTEGRATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. INSPECT BATTERY VOLTAGE

   
   

   1. Measure the battery voltage with the engine switch off.

      Standard voltage
      11 to 14 V

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

      Result
      Proceed to NEXT

   
   

   NEXT

3. CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*

   
   

   1. Using the GTS, check the CXPI communication function to ensure that there are no malfunctions in the communication system.

      Click here

      Result
      Proceed to No DTCs output DTCs output

   
   

   DTCs output

   GO TO CXPI COMMUNICATION SYSTEM Click here

   No DTCs output

4. CHECK FOR DTC*

   
   

   1. Check for DTCs and make a note of any codes that are output.

      Click here

   2. Clear the DTCs.

      
      

      1. No. 1 semiconductor power integration ECU

         
         Body Electrical > Power Integration No.1 > Clear DTCs

      2. No. 3 semiconductor power integration ECU

         
         Body Electrical > Power Integration No.3 > Clear DTCs

   3. Recheck for DTCs.

      
      

      1. No. 1 semiconductor power integration ECU

         
         Body Electrical > Power Integration No.1 > Trouble Codes

      2. No. 3 semiconductor power integration ECU

         
         Body Electrical > Power Integration No.3 > Trouble Codes

      Result
      Proceed to No DTCs output DTCs output

   
   

   DTCs output

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   No DTCs output

5. PROBLEM SYMPTOMS TABLE

   
   

   1. Refer to the Problem Symptoms Table.

      Click here

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

   
   

   Fault is listed in problem symptoms table

   ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

   Fault is not listed in problem symptoms table

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Data List / Active Test

      Click here

   2. Terminals of ECU

      Click here

   3. Problem symptoms table

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

7. ADJUST, REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

   NEXT

   END