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Home >> Toyota >> 2009 >> Corolla S, 1.8 L, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Cooling System (2AZ-FE)) >> Cooling Fan System >> Problem Symptoms Table

Problem Symptoms Table

WARNING: This page is about a different variant/trim than selected.

Use the table below to help determine the cause of the problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

COOLING FAN SYSTEM 

PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Cooling fan does not operate No. 1 cooling fan motor ON-VEHICLE INSPECTION 
No. 2 cooling fan motor ON-VEHICLE INSPECTION 
Fan No. 1 relay RELAY 
Fan No. 2 relay RELAY 
Fan No. 3 relay RELAY 
CAN communication system ECM COMMUNICATION STOP MODE
Cooling fan circuit COOLING FAN CIRCUIT 
ECM -
Cooling fan does not stop Fan No. 1 relay RELAY 
Fan No. 3 relay RELAY 
CAN communication system ECM COMMUNICATION STOP MODE
Cooling fan circuit COOLING FAN CIRCUIT 
ECM -
Cooling fan speed does not change Fan No. 2 relay RELAY 
CAN communication system ECM COMMUNICATION STOP MODE
Cooling fan circuit COOLING FAN CIRCUIT 
ECM -