Window Defogger System (For Automatic Air Conditioning System) Diagnosis System

Vehicle Exterior. Corolla. Zre142 Aze141

Window Glass. Corolla. Zre142 Aze141

CHECK DLC3

INSPECT BATTERY VOLTAGE

Window Defogger System (For Automatic Air Conditioning System) -- Diagnosis System

CHECK DLC3

Check the DLC3 (COROLLA_ZRE142 RM000000UZ20CBX.html).

INSPECT BATTERY VOLTAGE

Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.