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 11V, recharge or replace the battery before proceeding.

3. PROBLEM SYMPTOMS TABLE 

   Result 

   PROBLEM SYMPTOMS 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   6 

   A: Go to next step 

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

   NEXT: END