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Driving Position Memory Circuits: Avalon

For driving position memory system problem, locate symptom and perform test indicated. See DRIVING POSITION MEMORY SYMPTOM TESTS (AVALON)  table.

DRIVING POSITION MEMORY SYMPTOM TESTS (AVALON)

Symptom & Suspect Circuit Go To Test
Both Manual & Return Functions Do Not Operate (All Functions)
Positive Battery Voltage Supply Circuit A 
Power Seat Control Switch Circuit B 
Motor Circuit C 
Power Seat Control ECU D 
Both Manual & Return Functions Do Not Operate (One Function Only)
Motor Circuit C 
Power Seat Control ECU D 
One Or All Functions Do Not Operate For Manual Only
Power Seat Control Switch Circuit B 
Power Seat Control ECU D 
Memory Function Does Not Operate
Power Seat Memory Switch Circuit B 
Ignition Switch Circuit E 
Power Seat Control ECU D 
Return Operation Does Not Stop When Brake Pedal Is Depressed
Stoplight Switch Circuit F 
Power Seat Control ECU D 
All Return Functions Do Not Operate, Or Operates Partially & Stops
Power Seat Memory Switch Circuit G 
ECU Power Source Circuit H 
Position Sensor Power Source Circuit I 
Power Seat Control ECU D 
One Return Function Does Not Operate, Or Operates Partially & Stops
Position Sensor Circuit J 
Power Seat Control ECU D