Engine JAC HFC4DA1-2C. Manual - part 79

PT

PT

PT

PT Reversing

Reversing

Reversing

Reversing parking

parking

parking

parking assistance

assistance

assistance

assistance system

system

system

system

- 106 -

Diagnosis

Diagnosis

Diagnosis

Diagnosis and

and

and

and Test

Test

Test

Test

Possible

Possible

Possible

Possible conditions

conditions

conditions

conditions for

for

for

for the

the

the

the out

out

out

out of

of

of

of operation

operation

operation

operation reversing

reversing

reversing

reversing radar

radar

radar

radar

1.

Verify whether there is snow or mud on radar
probes.

2.

Verify whether the surface of the radar probe is
frozen.

3.

Verify whether the obstacles approaching are thin
objects like iron wires, ropes and mesh walls.

4.

Verify whether the obstacles approaching are too
low.

PT

PT

PT

PT Reversing

Reversing

Reversing

Reversing parking

parking

parking

parking assistance

assistance

assistance

assistance system

system

system

system

- 107 -

Diagnosis

Diagnosis

Diagnosis

Diagnosis and

and

and

and Test

Test

Test

Test

Possible

Possible

Possible

Possible conditions

conditions

conditions

conditions for

for

for

for the

the

the

the reversing

reversing

reversing

reversing radar

radar

radar

radar false

false

false

false alarms

alarms

alarms

alarms

1.

The vehicle is running downward from steep hills.

2.

The vehicle is equipped with the radio or antenna
with high output and these equipments are in
operation.

3.

Other vehicles with honk, motorcycles with engine
noise and objects with noise of exhaust brake are
approaching the vehicle.

4.

The vehicle is running in jelly snow or rain.

PT

PT

PT

PT Reversing

Reversing

Reversing

Reversing parking

parking

parking

parking assistance

assistance

assistance

assistance system

system

system

system

- 108 -

Removal

Removal

Removal

Removal and

and

and

and Installation

Installation

Installation

Installation

Removal

Removal

Removal

Removal of

of

of

of the

the

the

the reversing

reversing

reversing

reversing radar

radar

radar

radar computer

computer

computer

computer

1.

Disconnect the negative cable of battery.

2.

Remove the rear seat.

3.

Remove the trim panel at the left rear side of the
vehicle.

4.

Remove mounting bolts of the reversing radar.

PT

PT

PT

PT Reversing

Reversing

Reversing

Reversing parking

parking

parking

parking assistance

assistance

assistance

assistance system

system

system

system

- 109 -

Removal

Removal

Removal

Removal and

and

and

and Installation

Installation

Installation

Installation (continued)

(continued)

(continued)

(continued)

Removal

Removal

Removal

Removal of

of

of

of the

the

the

the reversing

reversing

reversing

reversing radar

radar

radar

radar

5.

Disconnect the connecting wire of the reversing
radar computer.

6.

Take out the reversing radar.