POWER MIRROR CONTROL SYSTEM Power Mirror cannot be Adjusted with Power Mirror Switch
SYSTEM DESCRIPTION
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When the each switch of the multiplex network master switch assembly is operated, operation signals are sent via LIN communication to the main body ECU (multiplex network body ECU) through the front multiplex network door ECU LH. The main body ECU (multiplex network body ECU) then sends the received operation signals to the front multiplex door ECU LH and front multiplex network door ECU RH via CAN communication.
for LHD:
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When the each switch of the multiplex network master switch assembly is operated, operation signals are sent via LIN communication to the main body ECU (multiplex network body ECU) through the front multiplex network door ECU RH. The main body ECU (multiplex network body ECU) then sends the received operation signals to the front multiplex door ECU LH and front multiplex network door ECU RH via CAN communication.
for RHD:
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
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First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.
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First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no LIN communication malfunctions before troubleshooting this problem.
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Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
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If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
PROCEDURE
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READ VALUE USING GTS (OUTER MIRROR SWITCH)
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Using the GTS, read the Data List Click here.
Master Switch Tester Display Measurement Item/Range Normal Condition Diagnostic Note Mirror Selection SW (L) Mirror select switch signal for LH mirror / ON or OFF ON: Mirror select switch in L position
OFF: Mirror select switch off or in R position
- Mirror Selection SW (R) Mirror select switch signal for RH mirror / ON or OFF ON: Mirror select switch in R position
OFF: Mirror select switch off or in L position
- Mirror Position SW (L) Mirror adjust switch signal (Left) / ON or OFF ON: Mirror adjust switch pressed left
OFF: Mirror adjust switch not pressed left
Check with the mirror select switch in the L or R position. Mirror Position SW (R) Mirror adjust switch signal (Right) / ON or OFF ON: Mirror adjust switch pressed right
OFF: Mirror adjust switch not pressed right
Check with the mirror select switch in the L or R position. Mirror Position SW (Up) Mirror adjust switch signal (Up) / ON or OFF ON: Mirror adjust switch pressed up
OFF: Mirror adjust switch not pressed up
Check with the mirror select switch in the L or R position. Mirror Position SW (Dwn) Mirror adjust switch signal (Down) / ON or OFF ON: Mirror adjust switch pressed down
OFF: Mirror adjust switch not pressed down
Check with the mirror select switch in the L or R position. OK The display is as specified in the normal condition column.
OK 
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
NG 
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CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
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Temporarily replace the multiplex network master switch assembly with a new or normally functioning one Click here.
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Check that the mirror operates.
OK Mirror operates normally.
OK
END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY IS DEFECTIVE)
NG
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
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