DTC B1287 Back Door ECU Communication Stop
DESCRIPTION
DTC B1287 is output when communication between the power back door ECU and the multiplex network gateway ECU stops for more than 10 seconds.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
B1287 |
Back door ECU communication stops |
|
WIRING DIAGRAM

INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (POWER BACK DOOR ECU - BATTERY)

Standard voltage

2 CHECK HARNESS AND CONNECTOR (POWER BACK DOOR ECU - GROUND)

Standard resistance

3 CHECK COMMUNICATION LINE

Standard resistance

Result

REPLACE POWER BACK DOOR ECU
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(b) Connect the battery positive lead to the terminal 1 of
the magnet clutch connector and the negative lead
to the earth wire. Turn on and off the magnetic
clutch and measure the clearance.
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