Normal Operation
Each second row power-fold seat receives battery voltage from the Body Control Module (BCM) at all times. The power-fold seat motors contain internal switching that operate the motor until it moves to the reset position and turns off. The demand lighting/battery saver voltage output circuit from the BCM provides the control signal voltage to each seat control switch. The seat control switches are momentary contact switches when pressed and held for at least one second supply switched voltage to the power-fold seat motor control circuit to initiate a pull and release cycle. The power-fold seat motor retracts a release cable connected to the same mechanical release lever in the seat latch mechanism as the manual release pull strap. When the power-fold seat motor is cycled, the pull strap retraction and release/reset is noticeable.
This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- Latch(es)
- Release cable(s)
- Latch release pull strap
- Power-fold seat actuator
- BCM