PARKING ASSIST MONITOR SYSTEM DETAILS


  1. FUNCTION OF MAIN COMPONENTS

    Component Function
    Rear Television Camera Assembly Captures images of the area behind the vehicle and outputs video signals to the radio and display receiver assembly.
    Radio and Display Receiver Assembly Displays the image of the area behind the vehicle sent from the rear television camera assembly using the multi-display. The image is combined with the parking assist guide lines that are calculated based on signals from the spiral cable with sensor sub-assembly (steering sensor).
    Power Management Control ECU Sends a shift R position signal to the engine room junction block assembly.
    Engine Room Junction Block Assembly Sends a shift R position signal to the radio and display receiver assembly.
    Steering Sensor Detects the angle of the steering wheel and sends the resulting signals to the radio and display receiver assembly.
    Combination Meter Assembly Transmits the vehicle speed signal to the radio and display receiver assembly.

    Luggage Compartment Door Lock Assembly

    - Luggage Compartment Door Courtesy Switch

    		 Sends the luggage compartment door courtesy switch signal to the radio and display receiver assembly via the main body ECU (multiplex network body ECU).

  2. OPERATING CONDITION


    1. Parking Assist Monitor System


      1. The parking assist monitor system operates when both of the following conditions are met:


        • Power switch is on (IG).

        • Shift lever is in R.

  3. FUNCTION


    1. Area Displayed on Screen


      1. On the display, objects on the right of the vehicle appear on the right side of the display panel, and objects on the left of the vehicle appear on the left side of the display panel.

      2. The rear television camera uses a wide-angle lens. The perceived distance from images that appear on the screen differs from the actual distance.

        A01HS2R

        Note

        The area displayed on the screen may vary according to vehicle status or road conditions. The area covered by the rear television camera assembly is limited. The rear television camera assembly does not show objects close to either corner of the bumper or show the area under the bumper.

    2. Warning Message


      1. A warning message appears at the bottom or center of the screen under the following conditions. The warning message appears in the same language that has been selected by the language selector of the multi-display.

        Messages Appearing at Bottom of Screen
        Warning Message Condition
        Check surroundings for safety. This message always appears during system operation.
        System initializing. This message appears when the steering wheel is operated while the auxiliary battery terminal (-) is disconnected and then the terminal is reconnected.
        Guidance is unavailable. This message appears if there is a malfunction in this system.
        Message Appearing at Center of Screen
        Warning Message Condition
        System not ready. This message appears if the system is not initialized.

    3. Calibration Following Parts Replacement


      • The items listed below must always be adjusted whenever one of the following conditions occurs. For details, refer to the Repair Manual.

        Adjustment Items Condition
        Neutral steering point in memory System initializing is displayed.
        Steering angle setting

        • After spiral cable with sensor sub-assembly is removed and installed or after connector is disconnected and reconnected, system initializing is displayed.

        • After steering sensor is removed and installed or after connector is disconnected and reconnected, system initializing is displayed.

        • Steering sensor replacement.
        Camera optical axis adjustment

        • Vehicle height has changed due to replacement of suspension parts or tires.

        • The installation angle of the rear television camera assembly has changed.
        Parking assist monitor system initialization Radio and display receiver assembly is replaced.

  4. CONSTRUCTION


    1. Rear Television Camera Assembly


      1. The rear television camera assembly consists of a wide-angle lens and a Complementary Metal Oxide Semiconductor (CMOS).

        A01HS0NE01
        Text in Illustration
        *1 Wide-angle Lens - -

    2. Multi-display (Parking Assist Monitor Display)


      1. Manual Assist Mode


        • Manual assist mode consists of A: parking guide line mode, B: guide line deletion mode and C: estimated guide line mode. The initial (default) setting for manual assist is estimated guide line mode.

        • Pressing the line mode button switches among the rear monitor modes.

        • When manual assist mode is operating, fixed guide lines appear superimposed on a view of the area behind the vehicle. These guide lines can be used to assist the driver while backing the vehicle.

          A01HS6CE01
        Text in Illustration
        *A Parking Guide Line Mode *B Guide Line Deletion Mode
        *C Estimated Guide Line Mode - -
        *1 Line Mode Button - -

        • A description of the parking guide line mode display is provided in the following diagram.

          A01HRV6E01
          Item Description
          (1) Distance Guide Line (Red) Indicates a position on the ground about 0.5 m (1.5 ft.) behind the rear bumper.
          (2) Vehicle Width Extension Guide Line (Blue) Indicates the estimated vehicle width.
          (3) Parking Assist Guide Line (Blue) Indicates the path the vehicle will follow if the driver turns the steering wheel fully.
          (a) Line Mode Button Pressing this button changes the rear view monitor mode.
          (b) Parallel Parking Assist Mode Button Pressing this button turns parallel parking assist mode on.
          (c) Warning Message Display Area Area where warning messages are displayed.

        • A description of the guide line deletion mode display is provided in the following diagram.

          A01HRX9E01
          Item Description
          (1) Distance Guide Line (Red) Indicates a position on the ground about 0.5 m (1.5 ft.) behind the rear bumper.
          (a) Line Mode Button Pressing this button changes the rear view monitor mode.
          (b) Parallel Parking Assist Mode Button Pressing this button turns parallel parking assist mode on.
          (c) Warning Message Display Area Area where warning messages are displayed.

        • A description of the estimated guide line display is provided in the following diagram.

        A01HS2HE01
        Item Description
        (1) Distance Guide Line (Yellow) Moves together with estimated guide lines in sync with the steering wheel. The center of the line indicates a position on the ground about 1.0 m (3.0 ft.) behind the rear bumper.
        (2) Distance Guide Line (Red) Moves together with estimated guide lines in sync with the steering wheel. The center of the line indicates a position on the ground about 0.5 m (1.5 ft.) behind the rear bumper.
        (3) Distance Guide Line (Blue) Indicates a position on the ground about 0.5 m (1.5 ft.) behind the rear bumper.
        (4) Vehicle Width Extension Guide Line (Blue) Indicates the estimated vehicle width.
        (5) Estimated Guide Line (Yellow) Moves in sync with the steering wheel to indicate the estimated reverse course of the vehicle.
        (a) Line Mode Button Pressing this button changes the rear view monitor mode.
        (b) Parallel Parking Assist Mode Button Pressing this button turns parallel parking assist mode on.
        (c) Warning Message Display Area Area where warning messages are displayed.

      2. Parallel Parking Assist Mode


        • Parallel parking assist is available with the following 2 display modes: standard mode and narrow mode.

        • Narrow mode is designed for situations in which the parking space is narrower than the standard mode.

        • Initial (default) parallel parking assist is standard mode.

          A01HRUZE01
        Text in Illustration
        *A Standard Mode *B Narrow Mode
        *1 Space needed for parking *2 Display Status

        • Parallel parking assist will display standard mode and narrow mode using the same design.

        • The guide lines displayed for parallel parking assist mode change in accordance with parking maneuvers.

          A01HRUXE01
          Item Description
          (1) Black and Yellow Vertical Line Serves as a reference position for starting parallel parking
          (2) Blue Outline

          • Serves as a reference position for the intended parking space.

          • Disappears once the vehicle starts moving backward.
          (3) Parking Guide Line (Blue)

          • Indicates part of the prospective outer path of the vehicle when the steering is turned fully to the right or left side.

          • Appears only after guide lines (a) and (b) disappear.
          (4) Estimated Guide Line (Yellow) Moves in sync with the steering wheel to indicate the estimated reverse course of the vehicle.
          (5) Vehicle Width Extension Guide Line (Blue) Indicates the estimated vehicle width.
          (6) Distance Guide Line (Yellow) Moves together with estimated guide lines in sync with the steering wheel. The center of the line indicates a position on the ground about 1.0 m (3.0 ft.) behind the rear bumper.
          (7) Distance Guide Line (Red) Moves together with estimated guide lines in sync with the steering wheel. The center of the line indicates a position on the ground about 0.5 m (1.5 ft.) behind the rear bumper.
          (a) Mode Select Switch Changes between standard and narrow modes.
          (b) Manual Assist Mode Switch Changes between parallel parking assist mode and manual assist mode.
          (c) Warning Message Display Area Area where warning messages are displayed.

  5. OPERATION


    1. Parking Guide Line Mode (Manual Assist) of Parking Assist Monitor System


      1. To use parking guide line mode in manual assist when parking the vehicle in a parking space, perform the following procedure:


        1. Move the shift lever to R.

        2. Select manual assist mode.

        3. Select guide line mode.

        4. An image appears on the multi-display as illustrated below.

          A01HS3J

        5. Back the vehicle and stop at the position in which the parking guide line comes in contact with the left side of the intended parking position.

        6. Turn the steering wheel fully to the right and back the vehicle.

          A01HRZY

        7. Continue backing the vehicle until the vehicle is parallel to the painted lines.

        8. Once the vehicle is parallel, aim the steering wheel straight ahead and back the vehicle to the target stop position.

          A01HS7I

    2. Estimated Guide Line Mode (Manual Assist) of Parking Assist Monitor System


      1. To use estimated guide line mode in manual assist when parking the vehicle in a parking space, perform the following procedure:


        1. Move the shift lever to R.

        2. Select manual assist mode.

        3. Select estimated guide line mode.

        4. An image appears on the display panel as illustrated below.

          A01HRV9

        5. Turn the steering wheel so that the estimated guide lines are within the parking space, and back up carefully.

          A01HS9M

        6. When the rear of the vehicle is within the parking space, turn the steering wheel in order to equalize the gap between the left and right sides of the vehicle width extension lines and the painted lines of the parking space.

        7. When the vehicle width extension guide lines and the painted lines of the parking space are parallel, straighten the steering wheel and then carefully back up until the entire vehicle is within the parking space.

          A01HS28

    3. Parallel Parking Assist Mode of Parking Assist Monitor System


      1. To use parallel parking assist mode to park the vehicle in the parking space, perform the following procedure:


        1. Stop the vehicle parallel to the road or the curb, at a side-to-side clearance of about 1 m (3.3 ft.) from the parked vehicle, approximately one-half car length forward of the parked vehicle.

          A01HS4VE01
          Text in Illustration
          *1 Target Parking Position - -
          *a Approximately 1 m (3.3 ft.) - -

        2. Aim the steering wheel straight ahead and move the shift lever to R.

        3. Select parallel parking assist mode.

        4. An image shows on the display panel as illustrated below.

          A01HRUC

        5. Drive the vehicle straight back and stop when the black and yellow vertical line of the target parking position is aligned with the rear end of the parked vehicle.

          A01HRZ4E01
          Text in Illustration
          *1 Black and Yellow Vertical Line - -

        6. When the steering wheel is turned, the blue outline will appear. At this time, the black and yellow vertical line opposite to the target parking position will disappear when the steering wheel is turned more than 90 degrees.

          A01HS2AE01
          Text in Illustration
          *1 Blue Outline - -

        7. Continue turning the steering wheel, and the blue outline will move in the direction of the target parking position, while the outline changes into a shape as illustrated below. Keep turning the steering wheel until the blue outline reaches the target parking position.

          A01HRZME01
          Text in Illustration
          *1 Blue Outline - -

        8. However, if the steering wheel is turned too much, the message as shown in the illustration below is displayed and the blue outline will change to red to inform the driver that the assist operation is not possible. Also, when your vehicle is too far away from the shoulder, the same condition will occur even when adjusting the green outline to a normal position.

          A01HS6UE01
          Text in Illustration
          *1 The blue outline changes to red - -

        9. The vertical line (blue) and target frame (blue) disappear and the parking guide lines appear on the target parking position.

          A01HRZ0E01
          Text in Illustration
          *1 Blue Guide Line - -

        10. Keep the steering wheel in the same position and back up. Stop when the parking guide line reaches the left end of the target parking position.

          A01HSA2

        11. With the vehicle at a standstill, fully turn the steering wheel in the opposite direction.

          A01HRXL

        12. Using the distance guide line slowly back the vehicle until the vehicle is parallel to the road or curb, while paying attention to the vehicles in front and in back. The parking maneuver is completed once the vehicle is parallel.

          A01HSA1

  6. FAIL-SAFE


    1. The table below indicates the malfunction detection items for the components in this system.

      Malfunctioning Parts Detection Item Function
      Steering Sensor

      • Transmission of sensor malfunction signal

      • Open circuit in sensor signal

      • Communication malfunction between the steering sensor and radio and display receiver assembly

      		 Displays "Guidance is unavailable"
      Transmission of signal to indicate that neutral steering point correction is incomplete Displays "System initializing"
      Rear Television Camera Assembly Transmission of camera malfunction signal Stops signal reception and displays a dark screen
      Radio and Display Receiver Assembly Malfunction of radio and display receiver assembly Stops system operation

  7. DIAGNOSIS


    1. The radio and display receiver assembly is equipped with a diagnosis function which can display a diagnosis menu for the parking assist monitor system. The method for entering the diagnosis menu screen is the same as the method used for the multi-display. For details, refer to the Repair Manual.