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
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
VEHICLE BEHAVIOR CHART VEHICLE BEHAVIOR CHART
(a) Vehicle behavior categorized by DTC If a DTC is output, the vehicle behaves as follows.
DTC No. Detection Item
Vehicle Behavior when DTC is Output
P033506 Crankshaft Position Sensor "A" Algorithm Based Failure
Norm