FORESTER 20MY PubNo: G8270BE Version: 006

Reverse Automatic Braking > General Description　

NOTE

Using the EyeSight brake control, the Reverse Automatic Braking detects obstacles with the Reverse Automatic Braking CM and sonar sensor to operate the system.

Reverse Automatic Braking > General Description　

LOCATION

For location, refer to “LOCATION” in the “Reverse Automatic Braking (DIAGNOSTICS)” section. Reverse Automatic Braking(DIAGNOSTICS)>Electrical Component Location>LOCATION

Reverse Automatic Braking > General Description　

COMPONENT

1. REVERSE AUTOMATIC BRAKING CM AND SONAR SENSOR

(1)	Sonar ECM ASSY	(4)	Bumper face rear	Tightening torque: N·m (kgf-m, ft-lb)
(2)	Sonar bumper cable	(5)	Sonar cap ASSY	T:	7.5 (0.8, 5.5)
(3)	Sonar sensor ASSY

Reverse Automatic Braking > General Description　

CAUTION

When performing service operation, refer to “Repair Contents” in “General Description”. REPAIR CONTENTS>Repair Contents
Before disconnecting connectors of sensors or units, be sure to disconnect the ground terminal from the battery sensor. When replacing the electrical parts provided with memory functions that can store contents specified by a customer, record the memory contents before disconnecting the ground terminal from the battery sensor.
For precautions for Reverse Automatic Braking, refer to “CAUTION” in “Reverse Automatic Braking (DIAGNOSTICS)” section. Reverse Automatic Braking(DIAGNOSTICS)>General Description>CAUTION

Reverse Automatic Braking > General Description　

PREPARATION TOOL

1. GENERAL TOOL

TOOL NAME	REMARKS
Clip remover	Used for removing clips.
Angle gauge	Used for inspecting height and angle of the sonar sensor.
Try square
Measure
Leveling line
Plumb bob

Reverse Automatic Braking > Relay and Fuse　

LOCATION

Fuse & relay box (F/B)

Fuse 7.5 A (Reverse Automatic Braking CM)

(A)

Refer to “LOCATION” of the “EyeSight” section because the Reverse Automatic Braking uses the EyeSight system control. EyeSight>Relay and Fuse>LOCATION
For other related fuses, refer to the wiring diagram. WIRING SYSTEM>Power Supply Circuit>WIRING DIAGRAM

Reverse Automatic Braking > Relay and Fuse　

INSPECTION

1. CHECK FUSE

1.

Remove the fuse and inspect visually.

2.

If the fuse is blown out, replace the fuse.

If the fuse is blown again, check the system wiring harness.

Reverse Automatic Braking > Reverse Automatic Braking　

WIRING DIAGRAM

Refer to “Reverse Automatic Braking” in the wiring diagram. WIRING SYSTEM>Reverse Automatic Braking>WIRING DIAGRAM

Reverse Automatic Braking > Reverse Automatic Braking　

INSPECTION

1. BASIC INSPECTION

For basic inspection, refer to “Basic Diagnostic Procedure” of “Reverse Automatic Braking (DIAGNOSTICS)” section. Reverse Automatic Braking(DIAGNOSTICS)>Basic Diagnostic Procedure

2. SYSTEM BLOCK DIAGRAM

For system block diagram, refer to “System Block Diagram” in the “Reverse Automatic Braking (DIAGNOSTICS)” section. Reverse Automatic Braking(DIAGNOSTICS)>General Description>SYSTEM BLOCK DIAGRAM

3. MODULE I/O SIGNAL

For electrical specification, refer to “Control Module I/O Signal” of “Reverse Automatic Braking (DIAGNOSTICS)” section. Reverse Automatic Braking(DIAGNOSTICS)>Control Module I/O Signal>ELECTRICAL SPECIFICATION

Reverse Automatic Braking > Reverse Automatic Braking　

NOTE

For procedure of each component in the Reverse Automatic Braking, refer to the respective section.

Control module

System control of the Reverse Automatic Braking is performed by each module. For procedure, refer to the following sections.
- Engine control module (ECM): FUEL INJECTION (FUEL SYSTEMS)(H4DO)>Engine Control Module (ECM)
- Transmission control module (TCM): CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Control Module (TCM)
- VDC control module (VDC CM): VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)
- Power steering control module: POWER ASSISTED SYSTEM (POWER STEERING)>Power Steering Control Module
- Body integrated unit: SECURITY AND LOCKS>Body Integrated Unit
- Reverse Automatic Braking CM: Reverse Automatic Braking>Reverse Automatic Braking CM
Sonar sensor: Reverse Automatic Braking>Sensor and Harness
Stereo camera: EyeSight>Stereo Camera
Combination meter: INSTRUMENTATION/DRIVER INFO>Combination Meter
Audio: ENTERTAINMENT & MONITORING>Audio
Navigation unit: ENTERTAINMENT & MONITORING>Navigation Body
Multi-function display (MFD): INSTRUMENTATION/DRIVER INFO>Multi-function Display (MFD)

Reverse Automatic Braking > Control Unit　

NOTE

System control of the Reverse Automatic Braking is performed by each module. For procedure, refer to the following sections.

Engine control module (ECM): FUEL INJECTION (FUEL SYSTEMS)(H4DO)>Engine Control Module (ECM)
Transmission control module (TCM): CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Control Module (TCM)
VDC control module (VDC CM): VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)
Body integrated unit: SECURITY AND LOCKS>Body Integrated Unit
Reverse Automatic Braking CM: Reverse Automatic Braking>Reverse Automatic Braking CM

Reverse Automatic Braking > Reverse Automatic Braking CM　

REMOVAL

The sonar ECM assembly is installed under the front seat LH. Remove the sonar ECM assembly after sliding the front seat LH as necessary.

1.

Disconnect the ground terminal from battery sensor. REPAIR CONTENTS>NOTE > BATTERY

2.

Remove the sonar ECM assembly.

(1)

Remove the nut to remove the harness clip.

(2)

Disconnect the connector and remove the sonar ECM assembly.

Reverse Automatic Braking > Reverse Automatic Braking CM　

INSTALLATION

1.

Install the sonar ECM assembly.

Tightening torque:

7.5N·m (0.8kgf-m, 5.5ft-lb)

2.

Connect the ground terminal to battery sensor. REPAIR CONTENTS>NOTE > BATTERY

Reverse Automatic Braking > Sensor and Harness　

REMOVAL

1. SONAR SENSOR

1.

Disconnect the ground terminal from battery sensor. REPAIR CONTENTS>NOTE > BATTERY

2.

Remove the bumper face rear. EXTERIOR/INTERIOR TRIM>Rear Bumper>REMOVAL

3.

Remove the sonar sensor assembly.

When reusing the sensor, make sure to place a mark on the sensor and the bumper face rear or others, and surely return each sensor to the original position before removed.

(1)

Disconnect the connector.

(2)

Release the claws and then remove the sonar sensor assembly.

The sonar sensor assembly is equipped at four portions on the bumper face rear.
The figure indicates the sonar sensor assembly (right corner). Remove the rest of the sensors in the same manner.

(3)

Release the claws and then remove the sonar cap assembly.

(4)

Remove the cable clamps and remove the sonar bumper cable.

Reverse Automatic Braking > Sensor and Harness　

INSTALLATION

1. SONAR SENSOR

When reusing the sensor, make sure to align the mark on the sensor and the bumper face rear or others, and surely return each sensor to the original position before removed.

1.

Install the sonar bumper cable.

2.

Install the sonar cap assembly.

3.

Install the sonar sensor assembly.

4.

Install the bumper face rear. EXTERIOR/INTERIOR TRIM>Rear Bumper>INSTALLATION

5.

Connect the ground terminal to battery sensor. REPAIR CONTENTS>NOTE > BATTERY

6.

When the bumper face rear and the sonar sensor assembly are replaced, check the installation height and angle. Reverse Automatic Braking>Sensor and Harness>INSPECTION > SONAR SENSOR

Reverse Automatic Braking > Sensor and Harness　

INSPECTION

1. SONAR SENSOR

HEIGHT AND ANGLE INSPECTION

Perform the inspection for each sonar sensor at curb weight.

1.

Before performing measurement, check the following items.

(1)

The vehicle is parked on a level surface.

(2)

The inflation pressure of tires is correct.

(3)

The vehicle does not have load.

(4)

Check the areas around the sensor and the bumper face rear for any scratches or other type of deformation.

2.

Prepare the measure, plumb bob, leveling line, angle gauge and try square.

3.

Measure installation height of the sonar sensor assembly.

(1)

Suspend the plumb bob with leveling line from the sensor, and mark the position where the plumb bob touches the ground. (Point A)

Stick the packing tape etc. on the floor, then make a marking on the tape.

(2)

Measure the height from the sensor to the marked Point A.

(a)	Point A
(b)	Plumb bob
(c)	Leveling line
(d)	Sonar sensor ASSY
(e)	Height

(3)

Confirm that sensor installation height is within the acceptable limit.

Specification:

Inner: 490 — 540 mm (19.29 — 21.26 in)
Corner: 530 — 580 mm (20.87 — 22.83in)

4.

Measure the installation angle of the sonar sensor assembly.

(1)

Using an angle gauge and try square, measure the installation angle as shown in the figure.

(a)	Angle gauge
(b)	Try square
(c)	Sonar sensor ASSY

Use the measurement tools while placing them perpendicularly to the sonar sensor assembly.

(2)

Confirm that sensor installation angle is within the acceptable limit.

Specification:

Inner: 5.5° — 10.5°
Corner: 4.5° — 9.5°

5.

If the inspection result is not within the standard value, the bumper face rear, sonar cap assembly or sonar sensor assembly may be improperly installed or deformed. Check the installation status of each part, and perform inspection again.

Reverse Automatic Braking > Stereo Camera　

NOTE

For the operation procedures for the stereo camera, refer to “EyeSight” section. EyeSight>Stereo Camera

Reverse Automatic Braking > Combination Meter　

NOTE

For the operation procedures for combination meter, refer to “INSTRUMENTATION/DRIVER INFO” section. INSTRUMENTATION/DRIVER INFO>Combination Meter

Reverse Automatic Braking > Audio　

NOTE

For the operation procedures for audio, refer to the “ENTERTAINMENT & MONITORING” section. ENTERTAINMENT & MONITORING>Audio

Reverse Automatic Braking > Navigation Body　

NOTE

For the operation procedures for navigation unit, refer to “ENTERTAINMENT & MONITORING” section. ENTERTAINMENT & MONITORING>Audio

Reverse Automatic Braking > Multi-function Display (MFD)　

NOTE

For the operation procedures for Multi-Function Display (MFD), refer to “INSTRUMENTATION/DRIVER INFO” section. INSTRUMENTATION/DRIVER INFO>Multi-function Display (MFD)