FRONT POWER SEAT CONTROL SYSTEM(w/ Memory) PROBLEM SYMPTOMS TABLE

Tip:
  • 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.

Table 1. Front Power Seat Control System (w/ Memory)

Symptom

Suspected Area

Link

Front Power Seat does not Operate with Front Power Seat Switch

Position control ECU and switch assembly

Harness or connector

One or more Power Seat Motors do not Operate

Separate type front seat cushion spring assembly

Separate type front seatback spring assembly

Power seat switch assembly

Position control ECU and switch assembly

Harness or connector

Power Seat Position is not Memorized

Position control ECU and switch assembly

Main body ECU (multiplex network body ECU)

Seat memory switch

Harness or connector

Power Seat does not Return to Memorized Position

Automatic transaxle system

Lighting system (int)

Position control ECU and switch assembly

Main body ECU (multiplex network body ECU)

Wireless Transmitter Memory Function does not Operate

Power door lock control system

Lighting system (int)

Entry and start system (for Start Function)

Wireless door lock control system

Position control ECU and switch assembly

Main body ECU (multiplex network body ECU)

Certification ECU (smart key ECU assembly)

Wireless-linked Return Function does not Operate

Wireless door lock control system

Lighting system (int)

Entry and start system (for Entry Function)

Main body ECU (multiplex network body ECU)

Position control ECU and switch assembly

Certification ECU (smart key ECU assembly)