Lexus NX: Initialization
INITIALIZATION
INITIALIZE MULTIPLEX NETWORK DOOR ECU
NOTICE:
Initialization of the multiplex network door ECU (back door initial position learning) is necessary if the following work procedures are performed while the back door is open.
- The cable to the negative (-) auxiliary battery terminal is connected.
- A power source system fuse of the power back door system is disconnected and reconnected.
- The multiplex network door ECU is replaced or the connectors are disconnected.
The power back door does not operate unless the multiplex network door ECU is initialized.
HINT:
Initialization is not necessary if the above procedures are performed while the back door is closed.
NOTICE:
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After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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When disconnecting and reconnecting the auxiliary battery.
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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(a) Initialization operation
(1) Fully close the back door by hand.
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PROBLEM SYMPTOMS TABLE HINT:
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TERMINALS OF ECU CHECK MULTIPLEX NETWORK DOOR ECU (a) Disconnect the Y26 and Y27 multiplex network door ECU connectors. (b) Measure the voltage and resistance according to the value(s) in the table b
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PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
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