How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the combination meter.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

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

3. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the Body Multiplex Communication system (MPX) is functioning.

      Result 

      RESULT REFERENCE CHART
      
      

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

   B :  Go to BODY MULTIPLEX COMMUNICATION SYSTEM

   A : Go to next step 

4. CHECK CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the CAN Communication system is functioning.

      Result 

      RESULT REFERENCE CHART
      
      

      Result	Proceed to
      CAN DTC Is not output	A
      CAN DTC Is output	B

   B :  Go to CAN COMMUNICATION SYSTEM

   A : Go to next step 

5. PROBLEM SYMPTOMS TABLE 

   Refer to the PROBLEM SYMPTOMS TABLE  .

   PROBLEM SYMPTOMS CHART
   
   

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

   B :  Go to step  7

   A : Go to next step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. Terminals of ECU (See TERMINALS OF ECU  )
   2. Data List/Active Test (See DATA LIST / ACTIVE TEST  )
   3. On-vehicle Inspection (See ON-VEHICLE INSPECTION  )
7. ADJUST, REPAIR OR REPLACE 
8. CONFIRMATION TEST 

   NEXT : END