How To Proceed With Troubleshooting

HINT:

• Use the following procedure to troubleshoot the defogger system.
• The Techstream 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 11V, recharge or replace the battery before proceeding.

3. PROBLEM SYMPTOMS TABLE 

   HINT:

   (See PROBLEM SYMPTOMS TABLE  )

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  )
5. REPAIR OR REPLACE 
6. CONFIRMATION TEST 

   NEXT: END