How To Proceed With Troubleshooting

HINT:

• *: Use the intelligent tester.
• Use these procedures to troubleshoot the tire pressure warning system.

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 INDICATOR LIGHT 
4. CHECK DTC* 
   1. Check for DTC and note any codes that are output (see DTC CHECK/CLEAR  ).
   2. Delete the DTC.
   3. Recheck for DTCs, and try to prompt the DTC by simulating the original activity that the DTC suggests.
      DTC RESULT
      
      

      Result	Proceed to
      DTC reoccurs	A
      DTC does not reoccur	B

   B: Go to step   6 

   A: GO TO NEXT STEP 

5. DTC TABLE 
   1. Check for tire pressure warning system DTC output (see DATA LIST/ACTIVE TEST  ).
6. PROBLEM SYMPTOM CONFIRMATION 
7. PROBLEM SYMPTOMS TABLE 
   RESULT REFERENCE
   
   

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

   B: Go to step   10 

   A: GO TO NEXT STEP 

8. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. TERMINALS OF ECU 
   2. DATA LIST/ACTIVE TEST  .
9. ADJUST, REPAIR OR REPLACE 
10. CONFIRMATION TEST 

    NEXT: END