Toyota Corolla Cross: Power Door Lock Control System
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PRECAUTION PRECAUTIONS WHEN USING GTS (a) When using the GTS with the ignition switch off to troubleshoot:
Connect the GTS to the vehicle, and turn a courtesy light switch on and off at 1.5 seconds
PARTS LOCATION ILLUSTRATION
*A w/ Power Back Door System
*B w/o Power Back Door System
*1 FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH
*2 FRONT DOOR COURTESY LIGHT SWIT
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DESCRIPTION
When an internal malfunction is detected in the certification ECU (smart key
ECU assembly), this DTC is stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B278C87
Power Source Control System Miss
DESCRIPTION The air conditioning harness assembly connects the air conditioning amplifier assembly and the No. 1 air conditioning radiator damper servo sub-assembly. The air conditioning amplifier assembly supplies power and sends operation instructions to No. 1 air conditioning radiator damper serv