Toyota Corolla Cross: Power Back Door System
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PARTS LOCATION ILLUSTRATION
*1 POWER BACK DOOR UNIT ASSEMBLY SET LH
*2 MULTIPLEX NETWORK DOOR ECU
*3 POWER BACK DOOR WARNING BUZZER
*4 POWER BACK DOOR UNIT ASSEMBLY SET
CAUTION / NOTICE / HINT
HINT:
The power back door system troubleshooting procedure is based on the premise that the smart key system (for Entry Function) is operating normally. Check the power back
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DESCRIPTION If the windshield frequently fogs up even though the air conditioning system is operating, the following factors may be the cause.
Symptom Factor
Windshield frequently fogs up
Compressor with pulley assembly malfunction
Refrigerant volume (low)
Cool
DESCRIPTION The headlight ECU sub-assembly operates using the power source voltage input from the IGR terminal and ECUB terminal.
The IG terminal power source voltage is supplied by turning the IGR-NO.1 relay to ON.
The headlight ECU sub-assembly receives ignition switch ON signals from the main b