Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM
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PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the rotating
DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed a
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DESCRIPTION If cool air blows from the registers regardless of the temperature setting of the air conditioning system, the following factors may be the cause.
Symptom Factor
No warm air comes out
(Blower control is normal)
Outlet air temperature does not increase
(Bl
DEFINITION OF TERMS
Term Definition
Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details).
Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection
Problem Symptoms Table
No Warm Air Comes Out
