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Adjustable Pedals: Overview Ford Explorer V

Mechanical - Hydraulic 9 illustrations ~1548 words

Overview

The adjustable pedal feature uses an electrical motor to adjust the brake and accelerator pedal positions forward and rearward.

Scheme 15

Scheme 15: System Diagram
Scheme 15: System Diagram

Normal Operation and Fault Conditions

The SCCM uses a Hall-effect sensor integral to the motor to identify the current pedal position. The SCCM sends a reference voltage along the sensor feed circuit, through the Hall-effect sensor and back to the SCCM along the signal return circuit.

When the following DTCs are set, the adjustable pedals enter a "jog mod". When the pedals are in jog mode, the memory system recall will not function from either the memory SET switch or the RKE feature. When the pedals are activated using the adjustable pedal switch, the motor will move the pedals for one second regardless of the length of time the button is actually pressed.

DTCDescriptionFault Trigger Conditions
B1368:11Adjustable Pedal Position Feedback Sensor: Circuit Short to GroundThis DTC sets if the SCCM detects a short to ground on the Hall-effect sensor feed and/or return circuits when the ignition is ON.
B1368:12Adjustable Pedal Position Feedback Sensor: Circuit Short to BatteryThis DTC sets if the SCCM detects a short to voltage on the Hall-effect sensor feed and/or return circuits when the ignition is ON.

DTC FAULT TRIGGER CONDITIONS

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Scheme 16: Pinpoint Test
Scheme 16: Pinpoint Test

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Scheme 18
  1. CHECK THE SCCM DTCs Using a scan tool, perform SCCM self-test. Were DTCs B1368:11 or B1368:12 retrieved? Yes: GO to 2 . No: If no DTCs were retrieved, CONFIGURE the SCCM using as-built data. TEST the system for normal operation. If any other SCCM DTCs were retrieved, REFER to «DTC CHART: STEERING COLUMN CONTROL MODULE (SCCM)»(ref-517559-S07719168212012121200000) .
  2. CHECK THE SCCM HALL-EFFECT CIRCUITS FOR A SHORT TO VOLTAGE Ignition OFF. Disconnect Adjustable Pedal Motor. Disconnect SCCM C2414C. Ignition ON. Measure: SCCM Ground C2414C Ground Pin Circuit Measurement / Action Pin Circuit 3 RPP06 (GN) - Ground 6 LPP08 (BU) Ground Is any voltage present? Yes: REPAIR the affected circuit(s). CLEAR the DTCs . No: GO to 3 .
  3. CHECK THE SCCM HALL-EFFECT CIRCUITS FOR A SHORT TO GROUND Ignition OFF. Measure: SCCM Ground C2414C Ground Pin Circuit Measurement / Action Pin Circuit 3 RPP06 (GN) - Ground 6 LPP08 (BU) - Ground Are the resistances greater than 10, 000 ohms? Yes: GO to 4 . No: REPAIR the affected circuit(s). CLEAR the DTCs .
  4. CHECK THE SCCM HALL-EFFECT CIRCUITS FOR AN OPEN Measure: Adjustable Pedal Motor SCCM C2003 C2414C Pin Circuit Measurement / Action Pin Circuit 3 RPP06 (GN) 3 RPP06 (GN) 4 LPP08 (BU) 6 LPP08 (BU) Are the resistances less than 3 ohms? Yes: GO to 4 . No: REPAIR the affected circuit(s). CLEAR the DTCs .
  5. CHECK THE SCCM HALL-EFFECT CIRCUITS FOR A SHORT TOGETHER Measure: SCCM SCCM C2414C Ground Pin Circuit Measurement / Action Pin Circuit 3 RPP06 (GN) 6 LPP08 (BU) Is the resistance greater than 10, 000 ohms? Yes: INSTALL a new adjustable pedal motor and bracket assembly, REFER to «ACCELERATOR PEDAL»(ref-517580-S15896073842012121200000) removal. CLEAR the DTCs . REPEAT the self-test. If DTC B1368:11 or B1368:12 return, INSTALL a new SCCM, REFER to «STEERING COLUMN CONTROL MODULE (SCCM)»(ref-517559-S19442282422012121200000) . No: REPAIR the circuit. CLEAR the DTCs .

Refer to OEM Wiring Diagrams - ADJUSTABLE PEDAL for schematic and connector information.

The SCCM receives fused battery voltage from the BCM.

When the pedal adjust switch is pressed, the SCCM sends current to the adjustable pedal motor along one circuit and the current returns to the SCCM along another circuit, which is grounded through the SCCM, to move the pedal in the desired direction. The current flow through the circuits is reversed if the switch commands the pedals to be moved in the opposite direction.

DTCDescriptionFault Trigger Conditions
B137D:18Pedal Adjustment Motor: Circuit Current Below ThresholdThis DTC sets if the SCCM senses current flow to the adjustable pedal motor below a preset limit while the adjustable pedal switch is pressed, or if there is an open or high resistance in the adjustable pedal motor circuits when the ignition is ON.
B137D:19Pedal Adjustment Motor: Circuit Current Above ThresholdThis DTC sets if the SCCM senses current flow to the adjustable pedal motor above a preset limit while the adjustable pedal switch is pressed, or if there is a short to ground in the adjustable pedal motor circuits when the ignition is ON.
B137D:71Pedal Adjustment Motor: Actuator StuckThis DTC sets if the SCCM senses current flow to the adjustable pedal motor within a specific range but above a preset limit while the adjustable pedal switch is pressed and the ignition switch is ON.

DTC FAULT TRIGGER CONDITIONS

When the desired memory position is selected using the memory SET switch, the DSM communicates the desired pedal position in a message on the MS-CAN to the BCM. The BCM acts as a gateway module, relaying the message to the SCCM over the HS-CAN . The SCCM then sends current to the adjustable pedal motor to move the pedals to the required position.

When the vehicle is unlocked using the RKE feature, a message is sent from the TPM module along a hard wired circuit to the RFA module. The RFA module then sends the message on the MS-CAN to the BCM. The BCM transmits the message on the HS-CAN to the SCCM. The SCCM sends current to the adjustable pedal motor to move the pedals to the position programmed to the key.

Scheme 19

Scheme 19: Pinpoint Test
Scheme 19: Pinpoint Test

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Scheme 23
  1. CHECK THE ADJUSTABLE PEDAL OPERATION WITH THE ADJUSTABLE PEDAL SWITCH Press the adjustable pedal switch in each direction for more than one second and observe the adjustable pedals. Do the adjustable pedals operate for more than one second in the direction selected using the switch? Yes: GO to 2 . No: If the pedals do not move at all using the switch, REFER to «Diagnostic Routine D: The Adjustable Pedals are Inoperative or Do Not Operate Correctly - Using the Pedal Adjust Switch»(ref-517555-S42141935512012121200000) . If the pedals only move in 1 second intervals regardless of button operation REFER to «Diagnostic Routine C: The Adjustable Pedals Only Move in 1-Second Intervals»(ref-517555-S33297536372012121200000) .
  2. CHECK THE MEMORY SYSTEM OPERATION Set a memory position for the driver seat, exterior mirrors and adjustable pedals to memory SET switch button 1. REFER to «MEMORY POSITION PROGRAMMING»(ref-517614-S01627969442012121200000) . Select PARK. Press the memory SET switch button 1 and observe: Driver seat Exterior mirrors Adjustable pedals Do all 3 items move when the button is pressed? Yes: GO to 3 . No: If all 3 items do not move, REFER to «DIAGNOSTIC ROUTINE J»(ref-517614-S18981331212012121200000) : The Memory Seat Does Not Operate Correctly - Does Not Operate Using the Memory Set Switch to diagnose the memory SET switch. If only the adjustable pedals do not move, GO to 4 . If only the driver seat does not move, REFER to «DIAGNOSTIC ROUTINE J»(ref-517614-S18981331212012121200000) : The Memory Seat Does Not Operate Correctly - Does Not Operate Using the Memory Set Switch to diagnose the memory SET switch. If only the exterior mirrors do not move, REFER to «DIAGNOSTIC ROUTINE D»(ref-517613-S21486917582012121200000) : The memory mirror is inoperative.
  3. CHECK THE RKE OPERATION Set a memory position in the RKE for the driver seat, exterior mirrors and adjustable pedals. REFER to «REMOTE MEMORY ACTIVATION»(ref-517619-S29042492832012121200000) . Select PARK. Press the unlock button on the RKE transmitter/ IA key and observe: Driver seat Exterior mirrors Adjustable pedals Do all 3 items move when the button is pressed? Yes: The system is operating correctly at this time. No: If all 3 items do not move, REFER to «DIAGNOSTIC ROUTINE J»(ref-517619-S10635596622012121200000) : The Remote Keyless Entry (RKE) Transmitter Is Inoperative. If only the adjustable pedals do not move, GO to 4 . If only the driver seat does not move, REFER to «SYMPTOM CHART: SEATING - MEMORY»(ref-517614-S07429375672012121200000) . If only the exterior mirrors do not move, REFER to «SYMPTOM CHART: REAR VIEW MIRRORS - EXTERIOR, MEMORY»(ref-517613-S01410941432012121200000) .
  4. CHECK FOR DSM OR BCM DTCs Ignition ON Using a scan tool, perform DSM self-test. Using a scan tool, perform BCM self-test. Record any DTCs retrieved from the DSM or the BCM. Was DTC U0140 retrieved from the DSM or U0212:00 retrieved from the BCM? Yes: If DTC U0140 is retrieved from the DSM, REFER to «DIAGNOSTIC ROUTINE AN»(ref-517614-S06794138092012121200000) . If DTC U0212:00 is retrieved from the BCM, REFER to «DIAGNOSTIC ROUTINE AJ»(ref-517607-S32697417452012121200000) : U0212:00. No: GO to 5 .
  5. CHECK THE ADJUSTABLE PEDAL MOTOR AND HALL-EFFECT SENSOR CIRCUITS FOR A SHORT TO VOLTAGE Ignition OFF. Disconnect Adjustable Pedal Motor. Disconnect SCCM C2414C. Disconnect SCCM C2414B. Ignition ON. Measure: Adjustable Pedal Motor Ground C2003 Ground Pin Circuit Measurement / Action Pin Circuit 1 CPP02 (BN) - Ground 2 CPP04 (GY) - Ground 3 RPP06 (GN) - Ground 4 LPP08 (BU) - Ground Is any voltage present? Yes: REPAIR the affected circuit(s). No: GO to 6 .
  6. CHECK THE ADJUSTABLE PEDAL MOTOR AND HALL-EFFECT SENSOR CIRCUITS FOR A SHORT TO GROUND Ignition OFF. Measure: Adjustable Pedal Motor Ground C2003 Ground Pin Circuit Measurement / Action Pin Circuit 1 CPP02 (BN) - Ground 2 CPP04 (GY) - Ground 3 RPP06 (GN) - Ground 4 LPP08 (BU) - Ground Are the resistance values greater than 10, 000 ohms? Yes: GO to 7 . No: REPAIR the affected circuit(s).
  7. CHECK THE ADJUSTABLE PEDAL MOTOR CIRCUITS FOR AN OPEN Measure: Adjustable Pedal Motor SCCM C2003 C2414B Pin Circuit Measurement / Action Pin Circuit 1 CPP02 (BN) 7 CPP02 (BN) 2 CPP04 (GY) 4 CPP04 (GY) Are the resistances less than 3 ohms? Yes: GO to 8 . No: REPAIR the affected circuit(s).
  8. CHECK THE ADJUSTABLE PEDAL MOTOR HALL-EFFECT SENSOR CIRCUITS FOR AN OPEN Measure: Adjustable Pedal Motor SCCM C2003 C2414C Pin Circuit Measurement / Action Pin Circuit 3 RPP06 (GN) 3 RPP06 (GN) 4 LPP08 (BU) 6 LPP08 (BU) Are the resistances less than 3 ohms? Yes: GO to 9 . No: REPAIR the affected circuit(s).
  9. CHECK THE ADJUSTABLE PEDAL MOTOR AND HALL-EFFECT SENSOR CIRCUITS FOR A SHORT TOGETHER Measure: Adjustable Pedal Motor Adjustable Pedal Motor C2003 C2003 Pin Circuit Measurement / Action Pin Circuit 4 LPP08 (BU) 2 CPP04 (GY) 4 LPP08 (BU) 3 RPP06 (GN) 4 LPP08 (BU) 1 CPP02 (BN) 2 CPP04 (GY) 3 RPP06 (GN) 2 CPP04 (GY) 1 CPP02 (BN) 3 RPP06 (GN) 1 CPP02 (BN) Are the resistance values greater than 10, 000 ohms? Yes: CONFIGURE the SCCM using As-built data and TEST the system for normal operation. If the adjustable pedals do not operate correctly, INSTALL a new adjustable pedal motor and bracket assembly. REFER to «ACCELERATOR PEDAL»(ref-517580-S15896073842012121200000) removal. No: REPAIR the affected circuit(s).

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