Toyota Corolla Cross: Back Door Closer Ecu
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REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 BACK DOOR TRIM UPPER PANEL ASSEMBLY
64790B -
- -
2 BACK DOOR SID
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 MULTIPLEX NETWORK DOOR ECU
89222A -
- -
2 BACK DOOR TR
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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
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT LOWER BALL JOINT ASSEMBLY
(a) Check for looseness.
(1) Lift up the vehicle.
(2) Move the front lower No. 1 suspension arm sub-assembly up and down
by hand with a force of 294 N (30 kgf) or more to check that there is no
loo
Removal
Power Source Control System Missing Message (B278C87)
