How To Proceed With Troubleshooting

HINT: 

• Use these procedures to troubleshoot the meter / gauge system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

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

   NEXT: Go to next step 

3. CHECK FOR DTC* 
   1. Check for DTCs and note any codes that are output. Refer to DTC CHECK / CLEAR .
   2. Delete the DTCs. Refer to DTC CHECK / CLEAR .
   3. Recheck for DTCs. Refer to DTC CHECK / CLEAR . Based on the DTCs output above, try to force output of the same CAN communication system DTC or meter / gauge system DTC by simulating the symptoms indicated by the DTC.
      RESULT
      
      

      Result	Proceed to
      DTC is not output	A
      CAN communication system DTC is output	B
      Meter / gauge system DTC is output	C

      B → Go to CAN COMMUNICATION SYSTEM. Refer to  PRECAUTION 

      C → Go to DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART  

      A: Go to next step 

4. PROBLEM SYMPTOMS TABLE 
   1. Refer to the problem symptoms table. Refer to PROBLEM SYMPTOMS TABLE .
      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 6 

      A: Go to next step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU. Refer to TERMINALS OF ECU 
   2. Data List / Active Test. Refer to DATA LIST / ACTIVE TEST 
   3. Operation check. Refer to OPERATION CHECK 

      NEXT: Go to next step 

6. REPAIR OR REPLACE 

   NEXT: Go to next step 

7. CONFIRMATION TEST 

   NEXT → END