Chevrolet Trax Owners & Service Manuals

Chevrolet Trax: Power seats system description and operation

The power seat system consists of the following components:

  • Seat adjuster switch
  • Seat horizontal motor
  • Seat front vertical motor
  • Seat rear vertical motor

NOTE: If equipped, the passenger seat block diagram is identical to the driver seat.

Power Seat Block Diagram

Fig. 14: Power Seat Block Diagram
Fig. 14: Power Seat Block Diagram

POWER SEATS SYSTEM DESCRIPTION AND OPERATION

Motors

All of the seat motors operate independently of each other. Each motor contains an electronic circuit breaker (PTC) that opens in the event of a circuit overload and will reset only after voltage has been removed from the circuit. There are three seat position motors. These are the horizontal motor, front vertical motor, and the rear vertical motor. The horizontal motor moves the entire seat forward and rearward. The seat vertical motors may operate independently to tilt the front or rear of the seat cushion up or down. Both motors can also run simultaneously to move the entire seat up or down.

Seat Operation

The seat switches provide both power and ground to the selected seat motors. All seat motors are reversible. For example, when the seat horizontal forward switch is pressed to move the entire seat forward, ground is applied through the switch contacts and the seat horizontal motor forward control circuit to the motor. With the horizontal motor rearward switch contacts closed to the switch B+ circuit, the motor runs in order to drive the entire seat forward until the switch is released. Moving the entire seat rearward works similarly to moving the entire seat forward, except that battery voltage and ground are applied on opposite circuits causing the motor to run in the opposite direction. All seat motors are powered this way.

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