Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Seat / Front Power Seat Control System(w/ Memory) / Problem Symptoms Table

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 suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Front Power Seat Control System (w/ Memory)

Symptom	Suspected Area	See page
Front Power Seat does not Operate with Front Power Seat Switch	Position control ECU and switch assembly
	Wire harness or connector	-
One or more Power Seat Motors do not Operate	Separate type front seat cushion assembly
	Position control ECU and switch assembly	-
	Wire harness or connector	-
Power Seat Position is not Memorized	Position control ECU and switch assembly
	Outer mirror control ECU assembly LH	-
	Main body ECU (driver side junction block assembly)	-
	Seat memory switch	-
	Wire harness or connector	-
Power Seat does not Return to Memorized Position	SFI system (for 1AR-FE)
	SFI system (for 2GR-FE)	-
	Lighting system (int)	-
	Position control ECU and switch assembly	-
	Main body ECU (driver side junction block assembly)	-
	Outer mirror control ECU assembly LH	-
Wireless Transmitter Memory Function does not Operate	Power door lock control system
	Lighting system (int)	-
	Smart key system (for start function)*	-
	Position control ECU and switch assembly	-
	Main body ECU (driver side junction block assembly)	-
	Certification ECU (smart key ECU assembly)*	-
Wireless-linked Return Function does not Operate	Wireless door lock control system (w/ smart key system)
	Wireless door lock control system (w/o smart key system)	-
	Lighting system (int)	-
	Smart key system (for entry function)*	-
	Main body ECU (driver side junction block assembly)	-
	Position control ECU and switch assembly	-
	Certification ECU (smart key ECU assembly)*	-
Power Seat Power Easy Access System Function does not Operate	Position control ECU and switch assembly
	Main body ECU (driver side junction block assembly)	-
	Front seat inner belt assembly LH	-
	Wire harness or connector	-
Only Lumbar Support Adjustment Function does not Operate	Front lumbar power seat switch
	Lumbar support adjuster assembly
	Wire harness or connector	-

*: w/ Smart Key System

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DIAGNOSIS SYSTEM 1. DESCRIPTION (a) Front power seat control system (w/ Memory) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When ...

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