Engine JAC HFC4DA1-2C. Service manual — part 63
ET
ET
ET
ET ETACS
ETACS
ETACS
ETACS Body
Body
Body
Body Computer
Computer
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Introduction
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Introduction
Introduction to
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ETACS
ETACS
ETACS functions
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functions
4.
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
5.
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
6.
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
T3
(6±1sec)
with
an
interval
of
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
7.
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
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Introduction
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ETACS
ETACS
ETACS functions
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8.
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
T1
(30±3sec);
however, if any of front doors opens within this
period, the power windows are inoperable.
T1: 30±3 sec
9.
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
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Diagnosis
Diagnosis and
and
and
and Testing
Testing
Testing
Testing
Introduction
Introduction
Introduction
Introduction to
to
to
to ETACS
ETACS
ETACS
ETACS functions
functions
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
is
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 up
Pull down
Pull down
Door lock
output
Door unlock
output
Ignition
key
Insert in
Pull out
ON
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
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Introduction
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ETACS functions
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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
ON
OFF
Open
Closed
ON
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
Lock
Unlock
Open
Closed
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