Lincoln Aviator 2020-2022 Service Manual / Body and Paint / Body and Paint / Third Row Seats / Description and Operation - Third Row Seats - System Operation and Component Description

Lincoln Aviator: Third Row Seats / Description and Operation - Third Row Seats - System Operation and Component Description

System Operation

System Diagram


Item Description
1 SCMJ
2 HS-CAN1
3 PCM
4 Liftgate Ajar Switch
5 Power Fold Seat Control Switch
6 Power Folding Seat Motors
7 Hall-Effect Sensors
8 Motors
9 MS-CAN
10 GWM
11 BCM

Network Message Chart

  SCMJ Network Input Messages


Broadcast Message Originating Module Message Purpose
Vehicle speed   PCM The vehicle speed is one of the inputs the SCMJ requires to enable the power folding seat feature.
Liftgate ajar switch   BCM Provides the status of the rear lifgate. The rear liftgate position is one of the inputs the SCMJ requrires to enable the power folding seat feature.

Power-Folding Seats

The third row power seat system includes the following components:

  • Power fold seat control switch (located on the RH loadspace trim panel)
  • SCMJ (located under the LH 2nd row seat cushion)
  • LH and RH power-fold seat motors (part of the third row seat backrest)

The power fold motors rotate the LH or RH seat backrests. The motor assemblies contain Hall-effect sensors that indicate backrest position to the SCMJ.

The LH and RH latch motors receive voltage from the SCMJ.

The third row power fold seat only operates when the vehicle is stationary and the liftgate is open. The folding head restraints must be manually returned to the upright position. Power to the seat times out after 10 minutes but can be enabled by opening any door, turning the ignition on, pressing any keyless entry keypad button (if equipped) or the unlock button on the remote transmitter.

Component Description

Power Fold Seat Motor

The power fold seat motors are bi-directional and each contains a Hall-effect sensor used by the SCMJ to monitor motor movement and seat position. The power fold seat motors are serviced by installing a new third row seat backrest.

SCMJ

The SCMJ controls the operation of the third row power fold seat. PMI is required when a new SCMJ is installed.

Power Fold Seat Control Switch

The power fold seat control switch is an input to the SCMJ. The power fold seat control switch contains 3 momentary contact switches:

  • LH seat
  • RH seat
  • Both LH and RH seats

Resistors within the power fold seat switch allow the SCMJ to determine the direction each switch is activated.

    Description and Operation - Third Row Seats - Overview

    Overview Third Row Power Fold Seats Pressing and releasing the power fold seat control switch (located in the rear cargo area on the RH loadspace trim panel) causes the corresponding third row seat backrest(s) to fold forward for additional cargo space...

    Diagnosis and Testing - Third Row Seats

    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...

    Other information:

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    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).   Diagnostic Trouble Code Chart Module   DTC Description Action   BCM B108A:01 Start Button: General Electrical Failure   GO to Pinpoint Test A   BCM B108A:24 Start Button: Signal Stuck High   GO to Pinpoint Test A   BCM B1142:29 Ignition Status 1: Signal Invalid   GO to Pinpoint Test A   BCM B1240:11 Start Button Mode Indicator: Circuit Short to Ground   GO to Pinpoint Test B   BCM B1240:15 Start Button Mode Indicator: Circuit Short to Battery or Open   GO to Pinpoint Test C   BCM B1310:12 Run/Start Control: Circuit Short to Battery   GO to Pinpoint Test A   BCM B1310:14 Run/Start Control: Circuit Short to Ground or Open   GO to Pinpoint Test A   SCCM B112B:04 SCCM:Steering Wheel Module: System Internal Failure   GO to Pinpoint Test I   SCCM B112B:44 SCCM:Steering Wheel Module: Data Memory Failure   GO to Pinpoint Test I   SCCM B112B:45 SCCM:Steering Wheel Module: Program Memory Failure   GO to Pinpoint Test I   SCCM B112B:46 SCCM:Steering Wheel Module: Calibration / Parameter Memory Failure   GO to Pinpoint Test I   SCCM B112B:49 SCCM:Steering Wheel Module: Internal Electronic Failure   GO to Pinpoint Test I   SCCM B135C:11 Heater Element:Circuit Short To Ground   GO to Pinpoint Test G   SCCM B135C:13 Heater Element:Circuit Open   GO to Pinpoint Test G   SCCM U0140:00 Lost Communication With Body Control Module: No Sub Type Information   GO to Pinpoint Test H   SCCM U0140:00 SCCM:Lost Communication With Body Control Module: No Sub Type Information   GO to Pinpoint Test J   SCCM U0146:00 SCCM:Lost Communication With Gateway "A": No Sub Type Information   GO to Pinpoint Test J   SCCM U0146:87 SCCM:Lost Communication With Gateway "A": No Sub Type Information   GO to Pinpoint Test J   SCCM U0155:00 SCCM:Lost Communication With Instrument Panel Cluster Module: No Sub Type Information   GO to Pinpoint Test J   SCCM U023A:00 SCCM:Lost Communication With Image Processing Module "A": No Sub Type Information   GO to Pinpoint Test J   SCCM U0241:00 SCCM:Lost Communication With Headlamp Control Module: No Sub Type Information   GO to Pinpoint Test J   SCCM U210A:11 Temperature Sensor:Circuit Short To Ground   GO to Pinpoint Test G   SCCM U210A:13 Temperature Sensor:Circuit Open   GO to Pinpoint Test G   SCCM U3003:A2 Battery Voltage: System Voltage Low   GO to Pinpoint Test E   SCCM U3003:A3 Battery Voltage:System Voltage High   GO to Pinpoint Test F   SECM B135C:11 Heater Element:Circuit Short To Ground   GO to Pinpoint Test K   SECM B135C:15 Heater Element:Circuit Short to Battery or Open   GO to Pinpoint Test K   SECM B13BD:92 Steering Wheel Heater Module:Performance or Incorrect Operation   GO to Pinpoint Test K   SECM U1000:00 Solid State Driver Protection Active:No Sub Type Information   GO to Pinpoint Test K   SECM U210A:02 Temperature Sensor:General Signal Failure   GO to Pinpoint Test K   SECM U210A:11 Temperature Sensor:Circuit Short to Ground   GO to Pinpoint Test K   SECM U210A:15 Temperature Sensor:Circuit Short to Battery or Open   GO to Pinpoint Test K   SIMA U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information   GO to Pinpoint Test L   SIMA U0140:00 Lost Communication With Body Control Module: No Sub Type Information   GO to Pinpoint Test L   SIMA U3003:16 Battery Voltage:Battery Voltage Below Threshold   GO to Pinpoint Test M   SIMA U3003:17 Battery Voltage:Battery Voltage Above Threshold   GO to Pinpoint Test N Symptom Charts Symptom Chart: Ignition Switch - Push Button Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices...

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    Fastening the Seatbelts

    The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.

    Insert the belt tongue into the proper buckle (the buckle closest to the direction the tongue is coming from) until you hear a snap and feel it latch. Make sure that you securely fasten the tongue in the buckle.

    Lincoln Aviator. Fastening the Seatbelts

    To unfasten, press the release button and remove the tongue from the buckle.

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