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Engine JAC HFC4DA1-2C. Manual - part 63

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 42 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Introduction

Introduction to

to ETACS

ETACS

ETACS functions

functions

Front Ceiling Lamp Illumination Control (Decayed
Room Lamp)
With the front ceiling lamp set to “DOOR”
position, the front ceiling lamp shall lighten when
the front door is open. When the front door is
closed, the lamp shall go out gradually in
T1(5.5±0.5S) with the ignition switch turned to
“ACC” position or shall go out directly with the
ignition switch turned to “ON” position.

T1: 5.5±0.5 sec

Parking Start Warning
Turn the ignition switch to “ON” position. With the
parking brake handle unreleased, when the vehicle
speed is over 17Km/h, the door bell shall ring
intermittently with interval of T1(0.3±0.1S) and it
shall stop ringing with the handle released. If the
vehicle speed is lower than 17Km/h, there is no
alarm.

TI: 0.3±0.1 sec

Seat Belt Warning Timer
Turn the ignition switch to “ON” position. If the
driver’s seat belt is unfastened, the seat belt
warning lamp shall flicker with 50% duty cycle and
time of T1(0.3±0.1sec), and the door bell shall ring
for

(6±1sec)

with

interval

T2(0.45±0.1sec). If the seat belt is fastened, the
warning lamp shall flicker once without any alarm.
If the seat belt is released, the warning lamp shall
flicker with alarm and if the seat belt is fastened
again, the alarm shall stop. Unfastening seat belt
indicator shall be normally on after one cycle of
flickering, but the the seat belt indicator shall go
out after one cycle of flickering.
T1: 0.3±0.1 sec
T2: 0.45±0.1 sec
T3: 6±1 sec

Power Window Auto Rising
Auto window rising shall be achieved after the
vehicle is locked properly by remote control.
Windows at both driver and front passenger sides
shall rise simultaneously and the maximum rise
time is 4.5 sec.

Seat belt

switcccch

Front door

switch

Ignition

switch

Front ceiling

illumination

Ignition switch

Parking control

switch

Vehicle speed

sensor

Ignition

switch

Harmonic bell

Unfastened

Fastened

Seat belt

warning lamp

Harmonic bell

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 43 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Introduction

Introduction to

to ETACS

ETACS

ETACS functions

functions

Power Window Timer
When the ignition switch is turned to “ON”
position, the power windows are operable with
front doors closed. When the ignition switch is
turned to “LOCK” or “ACC” position, the power
windows

are

operable

within

(30±3sec);

however, if any of front doors opens within this
period, the power windows are inoperable.

T1: 30±3 sec

Tail Lamp Auto Cut
Tail lamps shall lighten in any case once the
lighting switch (on the left of combination switch)
is turned from OFF to ON.
Tail lamp auto cut is controlled by the procedures
below:

�

Lighting switch (on the left of combination
switch) is turned from ON to OFF.

�

With the key pulled out, when the driver side
door opens, the tail lamp shall go out.

�

If you insert the key again, the tail lamp shall
lighten.

Note: Tail lamps mentioned here refer to small
lamps.

10. Rear Fog Lamp Control

With the ignition switch turned to “OFF” position,
the lighting switch (on the left of combination
switch) and front fog lamp switch turned on, if you
turn on the rear fog lamp switch, the rear fog lamps
won’t lighten. With the ignition switch turned to
“ON” position, the lighting switch (on the left of
combination switch) turned to small lamp position,
and front fog lamp switch turned on, if you turn on
the rear fog lamp switch, the rear fog lamps shall
lighten and at this time if you turn off the front fog
lamps, the rear fog lamps shall be turned off
simultaneously. When the lighting switch is turned
to lighting position, the operation of rear fog lamps
won’t be affected by the front fog lamps, viz. with
front fog lamp switch off, the rear fog lamps can be
separately controlled by the rear fog lamp switch.

Ignition

switch

Front door

switch

Power

window

motor

Ignition switch

Insert in

Pull out

Small lamp switch

Driver side

door switch

Tail lamp

relay

Tail lamp

relay

Ignition

switch

Front fog

lamp switch

Rear fog lamp

switch

Rear fog

lamp

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 44 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Introduction

Introduction to

to ETACS

ETACS

ETACS functions

functions

11. Power Door Latch Control

Four door locks can be controlled through doors at
driver side and front passenger side. If you push
down the driver side door latch, doors shall be
locked with the door lock signal output by locking
device; if you pull up the driver side door latch,
doors shall be unlocked with the door unlock signal
output by locking device. It is the same for the
front passenger side door.

12. Key Management Control

With the key in and driver side door open, if you
push down the latch switch, doors cannot be locked
after a door lock signal output by locking device.
If you hold the latch switch, a door unlock signal is
output by locking device and then 3 unlock signals
are output. The driver side door is closed within T3
(0sec.<T3<0.5sec.)

after

the

latch

switch

pressed; at the same time, if latch switch is pulled
up, doors won’t be locked with an unlock signal
output.

T1: 0.5±0.1 sec
T2: 1±0.1 sec
T3: 0SEC.<T3<0.5 sec

13. Induction Conflict Control

In case of collision, the airbag expands and the
airbag controller outputs a 0V signal to ETACS,
and then ETACS output an unlock signal to the
locking device, which output an unlock action
lasting for T3 (5sec) in T2 (40msec), so the doors
are under unlocked status.

T1: 200 msec
T2: 40 msec
T3: 5 sec

Driver side door

latch switch

Front passenger

side door latch

switch

Pull up

Pull down

Door lock

output

Door unlock

output

Ignition

key

Insert in

Pull out

OFF

Driver

side door

switch

Door lock

switch

Front door

unlock

output

Airbag status

Exploded

Unexploded

Airbag module

impact signal

Power door open

output signal

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 45 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Introduction

Introduction to

to ETACS

ETACS

ETACS functions

functions

14. Auto Locking.

With the ignition switch turned to “ON” position
and the doors unlocked, the doors shall be locked
automatically in T1 (1±0.3sec) after the vehicle
speed exceeds 40Km/h. If the doors are unlocked
by locking device during travelling, they shall be
locked automatically again in T1 (1±0.3sec).

T1: 1±0.3 sec

15. Key-Out Auto Door Unlock

With the door locked, if the ignition key is pulled
out, the doors shall be unlocked after an unlock
signal of T1 (0.5±0.1 sec) is output by the locking
relay.

T1: 0.5±0.1 sec

16. Step Lamp Control

The left step lamp shall lighten with the left middle
door open and go out with the door closed. The
right step lamp shall lighten with the right middle
door open and go out with the door closed. The step
lamps shall go out automatically if the middle door
open time exceeds 15 minutes.

17. Middle Door Control

Middle door auto locking

�

With the left and right front doors locked, if
you open and then close the middle door, the
middle door shall be locked automatically in 8
sec. (Please refer to the left figure.)

Ignition switch

Vehicle speed

sensor

All door lock

switch

Locking

relay

Ignition key

Insert in

Pull out

All door

lock switch

Locking relay

Left middle

door

Left step

lamp

Right middle

door

Right step

lamp

Open

Closed

OFF

Open

Closed

OFF

Front door
lock status

signal

Middle door

lock status

signal

Middle door

switch signal

Door locking
output action

15 min.

=15 min.

Unlock

Lock

Unlock

Open

Closed

Content .. 61 62 63 64 ..