How To Proceed With Troubleshooting

HINT:

• Use the following procedure to troubleshoot the defogger system.
• The intelligent tester should be used in step  4.

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 

   HINT:

   (See PROBLEM SYMPTOMS TABLE  )

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

   END