Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Power Back Door System

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 Parts Location

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

 System Diagram

SYSTEM DIAGRAM

 How To Proceed With Troubleshooting

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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 Check Bus 5 Line

DESCRIPTION Symptom Trouble Area There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen. CAN main

 Lock Function (Entry Lock Function does not Operate Using Close &)

DESCRIPTION If the back door does not lock when using the power back door close and lock function, there may be communication problem between the certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU). CAUTION / NOTICE / HINT NOTICE: When using the GTS with t

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