POWER WINDOW CONTROL SYSTEM All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter
DESCRIPTION
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w/ Entry and Start System:
When a key switch is pushed: 1) the door control receiver receives the wireless door lock signal; 2) the door control receiver sends a signal to the main body ECU (multiplex network body ECU) through the certification ECU (smart key ECU assembly); 3) the main body ECU (multiplex network body ECU) sends the operation permission signal to the power window regulator motor assembly; and 4) the power window regulator motor assembly are activated.
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w/o Entry and Start System:
When a key switch is pushed: 1) a door control receiver receives the wireless door lock signal; 2) the door control receiver sends a signal to the main body ECU (multiplex network body ECU); 3) the main body ECU (multiplex network body ECU) sends the operation permission signal to the power window regulator motor assembly; and 4) the power window regulator motor assembly are activated.
Wireless Transmitter-linked Function
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When the driver door key cylinder (key linked switch) is turned: 1) the front door lock assembly RH receives the signal; 2) the main body ECU (multiplex network body ECU) sends the signal to the power window regulator motor assemblies; and 3) the power window regulator motor assemblies are activated.
Key-linked Function
CAUTION / NOTICE / HINT
Note
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These functions are set through the customize function, as they are off by default Click here.
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The power window control system uses the LIN communication system and CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication systems are functioning properly Click here.
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If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
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As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*
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*: w/ Door Control Battery
PROCEDURE
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CHECK BASIC FUNCTION (WIRELESS AND POWER DOOR LOCK CONTROL SYSTEM)
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Check that the wireless door lock/unlock function operates normally.
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w/ Entry and Start System: Click here
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w/o Entry and Start System: Click here
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Check that the key-linked lock/unlock function operates normally Click here.
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Check that the wireless transmitter and driver door key cylinder (key-linked switch) lock and unlock all the doors normally.
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w/ Entry and Start System: Click here
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w/o Entry and Start System: Click here
Result Result Proceed to Wireless door lock/unlock function and key-linked lock/unlock function operate normally A Wireless door lock/unlock function does not operate normally (w/ Entry and Start System) B Wireless door lock/unlock function does not operate normally (w/o Entry and Start System) C Key-linked lock/unlock function does not operate normally D -
B 
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System) Click here
C
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System) Click here
D
GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table) Click here
A 
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CHECK MANUAL UP/DOWN FUNCTION
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Check that the manual up and down functions using the multiplex network master switch assembly and power window regulator switch assembly can operate all the power windows Click here.
OK Manual up and down functions are normal.
NG
GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here
OK
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CHECK REMOTE UP/DOWN FUNCTION
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Check that the remote up and down functions using the multiplex network master switch assembly can operate all the power windows Click here.
OK Remote up and down functions are normal.
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
NG
GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here
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