How To Proceed With Troubleshooting

HINT:

• Use the procedure to troubleshoot the defogger system.
• Techstream 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 - RESULT 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. Terminals of ECU (See TERMINALS OF ECU  )
   2. Data List/Active Test (See DATA LIST / ACTIVE TEST  )
   3. On-vehicle inspection (See ON-VEHICLE INSPECTION  )
   4. Inspection (See ON-VEHICLE INSPECTION  )
5. REPAIR OR REPLACE 
6. CONFIRMATION TEST 

   NEXT: END