How To Proceed With Troubleshooting

HINT:

• Use the procedure to troubleshoot the defogger system.
• The intelligent tester should be used in steps  4 and  6.

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. PROBLEM SYMPTOMS TABLE 

   Result 

   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   6 

   A : GO TO NEXT STEP. 

4. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. See TERMINALS OF ECU 
   2. See DATA LIST / ACTIVE TEST 
   3. See ON-VEHICLE INSPECTION 
   4. Inspection (See ON-VEHICLE INSPECTION  )
5. REPAIR OR REPLACE NEXT 
6. CONFIRMATION TEST 

   END