Content .. 62 63 64 65 ..

Engine JAC HFC4DA1-2C. Manual - part 64

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 46 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Introduction

Introduction to

to ETACS

ETACS

ETACS functions

functions

�

With the middle door open, if you press
“Unlock” key on the remote control, the middle
door shall be locked in 0.5 sec after the door is
closed. (Please refer to the left figure.)

18. Password Learning Input

�

If you press the password learning switch, the
fault lamp shall lighten entering into password
learning mode. The learning time is 10 sec in
total.

�

Press every key of the remote controller once.
The fault lamp shall go out after the first key is
pressed. Four keys in total can be learned
within 10 sec after starting the password
learning key.

�

Conduct detection for remote control password
learning.

�

Enter into password learning mode with the
previous memory deleted automatically.

Remote control

locking

Middle door

switch signal

Middle door

lock status

signal

Door locking
output action

Open

Closed

Unlock

Lock

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 47 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Control

Control strategy

strategy

S/N

Item

Function

Washer & Wiper

Control

Turn the ignition switch to “ON” position. 1. If the washer is switched on over 0.6 sec, the wiper
shall operate in T1 (0.6±0.1s) after the start of washer switch and it shall perform 3 T4 cycles (viz. 3
times) of wiping after the switch is off; 2. If the washer is switched on within 0.2-0.6 sec (T3), the
wiper shall perform one time of wiping.

Variable intermittent

wiper

Turn the ignition switch to “ON” position. The wiper shall operate after the intermittent switch is
turned on in T1 (0.3S), each time of wiping for T2 (0.7±0.1S) with interval adjustable within
(1±0.5S~11±1S). When the vehicle speed is over 40Km/h, the interval T3 shall shorten by 4 sec.

Back window defroster

timer

With the generator being charged, if you turn on the defroster switch, the defroster relay shall operate
for T1 (20±2min). If the interval of pressing defroster switch is less than T1, the defrosting function
is cancelled after the second time of pressing switch.

Ignition Key Hole

Illumination Control

Turn the ignition switch to “OFF” position. The ignition key hole lamp shall lighten when any of
front doors open and shall go out in T1 (10±1S) after the front door is closed. With the front doors
open, if your insert the key in, the lamp shall go out. If the key is pulled out with the front door open,
the lamp shall lighten and shall go out in T1 (10±1S) after the front door is closed. With the key not
inserted, if you open the front door, the lamp shall lighten. The lamp shall go out immediately if the
key is inserted within T2 (0-10S) after the front door is closed and it shall go out in T1 (10±1S) after
the front door is closed if the key is not inserted within T2 (0-10S).

Front Ceiling Lamp

Illumination Control

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.

Parking Start Warning

Turn the ignition switch to “ON” position. With the parking brake handle unreleased, when the
vehicle speed is over 3 Km/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 3 Km/h, there is
no alarm.

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±0.1 sec), and the door bell shall ring for
T3 (6±1 sec) with an interval of T2(0.45±0.1 sec). 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.

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±3 sec); however, if any of front doors opens within this period, the power
windows are inoperable.

Tail Lamp Auto Cut

With the key inserted, the lighting switch (on the combination switch) turned on and the driver side
door closed, the tail lamp shall lighten; with the key pulled out and the tail lamp switch still on, the
tail lamp shall lighten but it shall go out if the driver side door opens; when the key is inserted again,
the tail lamp shall lighten until the key is pulled out. Under normal condition, with the tail lamp
switch on, the tail lamps shall lighten regardless of key insertion or not or the door status. (Tail lamps
mentioned here refer to small lamps.)

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. If the lighting switch is turned
off at this time, the rear fog lamps shall go out.

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.

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 48 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Control

Control strategy

strategy

S/N

Item

Function

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 (0 sec.<T3<0.5 sec.) 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.

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 (5 sec) in T2 (40 msec), so the doors are under unlocked
status.

Auto Locking

With the ignition switch turned to “ON” position and the doors unlocked, the doors shall
be locked automatically in T1 (1±0.3 sec) 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±0.3 sec).

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.

Warning Function

With all doors and engine hood closed, if you use remote controller for locking, the
vehicle shall be under warning status after the hazard warning lamp flickers T2 (1.0±0.2
sec); if you use remote controller for locking under all doors are not closed, the doors
shall be locked but the vehicle is not under warning status and it shall be under warning
status if all doors are closed.

Warning Off

If you use the remote controller to release warning status, the doors shall be unlocked,
the hazard warning lamp shall flicker T1 (0.5±0.1 sec) and flicker another T1 sec in T2
(0.5±0.1 sec).

Step Lamp Control

The step lamp shall lighten with the middle door open and go out with the door closed.
The step lamp shall go out automatically if the middle door open time exceeds 15
minutes. (Please refer to figure below.)

Middle Door Control

a. 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.
b. With the middle door open, if you press “Unlock” key on the remote control, the
middle door shall be locked in 0.5 sec after the door is closed.

Remote Control Window

Rising

When using remote controller to set warning and perform locking, ETACS shall output
left/right front window rising signal.

Password Input

a. Start the decoder switch;
b. Press any one of keys on the remote controller and press again after 3 sec of pause;
c. Perform remote control detection;
d. If more than one remote controller is in need of learning, please repeat steps a, b and
c. One key can be learned each time. Two keys can be learned in total.

ET ETACS

ETACS

ETACS Body

Body

Body Computer

Computer

- 49 -

Diagnosis

Diagnosis and

and

and Testing

Testing

Diagnosis

Diagnosis and

and

and Service

Service

S/N

Function

Service Methods and Phenomena

Warning-off

a．Press “Learning” key on decoder and the fault lamp lightens.
b．If you press the “Warning-off” switch on the remote control, the fault lamp shall go out; if you
press “Unlock” switch in 8 sec, the fault lamp shall flicker twice and then go out with the door latch
unlocked; if you press the “Lock” switch on the remote control, the fault lamp shall lighten and then
go out with door latch locked and power window auto rising.
c．At this time, if you open the left door, the front ceiling lamp, ignition key hole lamp and anti-theft
relay shall operate with intermittent flickering of fault lamp and alarm sound; if you close the left
door and press the “Lock” key on the remote control, the interior lamp and ignition key hole lamp
shall go out and the anti-theft relay shall stop operating, with fault lamp and alarm off, power
window auto rising on, door latch locked.

Detection of ignition

switch and power window

With the ignition switch turned to “ON” position, the power windows are operable and the seat belt
indicator flickers.

Back window defogging

detection

With the generator turned on, the rear defogging device shall operate once the switch is pressed and
shall stop operation once it is pressed again. With the generator turned off, the rear defogging shall
stop.

Front washer detection

Press the front washer switch for 1 sec and release it. Check if the wiper stops after operating for 2
sec.

Front wiper delay

detection

With the ignition key in and front wiper intermittent switch pressed, check the operating cycle of
front wiper. If you press the front wiper regulating switch, the front wiper operating cycle shall be
lengthened. Release the wiper intermittent switch and wiper regulating switch, and then turn off the
ignition switch.

Driver side door (left

door) detection

If you open the driver side door, the front ceiling lamp and ignition key hole lamp shall lighten; if
you close the door, the front ceiling lamp shall go out gradually and the ignition key hole lamp shall
go out in 6 sec.

Front passenger side door

(right door) detection

Same as the driver side door detection.

Middle door detection

If you open the middle door, the front ceiling lamp and step lamp shall lighten; if you close the door,
the step lamp shall go out and the front ceiling lamp shall go out gradually.

Seat belt detection

With the ignition switch turned to “ON” position, if the seat belt is unfastened, the seat belt indicator
shall flicker 10 times with buzzer ringing 10 times.

Detection of lamps

With the driver side door open, small lamp switch on and key inserted, the small lamps and front
ceiling lamp lighten; with key pulled out, the small lamps go out.
With ignition switch turned to “ON” position, small lamp switch and front fog lamp switch on, rear
fog lamps lighten once the switch is pressed and they go out once the switch is pressed again. With
rear fog lamps on, they go out once the front fog lamp switch is turned off. Then if the small lamp
switch is turned off and headlamp switch is turned on, rear fog lamps are operable separately without
the front fog lamp switch on. With lighting lamp reset, front fog lamps, rear fog lamps and small
lamps go out.

Door latch detection

If the left front door latch is locked, all door latches inside shall be locked; if the left front door latch
is unlocked, all door latches inside shall be unlocked. It is the same for the right front door latch.

Auto unlocking

With door latch locked and ignition key pulled out, the door latch shall be unlocked.

40Km auto locking

With the ignition switch turned to “ON” position, if the vehicle speed exceeds 40Km/h, the door
latch shall be locked automatically.

Warning detection

a．With ignition switch turned off and ignition key pulled out, if you open the middle door, the front
ceiling lamp and step lamps shall lighten; if you press “Lock” key, the locking lamp shall lighten and
then go out, with power window auto rising. If you close the middle door, the front ceiling lamp and
step lamps shall go out and the fault lamp shall lighten and then go out.
b．If you open and then close the left door, the front ceiling lamp and ignition key hole lamp shall
lighten and the anti-theft relay shall operate with intermittent flickering of fault lamp and alarm
sound; if you press “Lock” key, door latch shall be locked, fault lamp shall lighten and then go out,
and power window shall rise automatically.
c．It is the same for right door.
d．If you open the middle door, the front ceiling lamp and step lamps shall lighten and the anti-theft
relay shall operate with intermittent flickering of fault lamp and alarm sound; if you close the middle
door, the step lamps shall go out; if you press “Lock” key, door latch shall be locked, fault lamp shall
lighten and then go out, and power window shall rise automatically.

Content .. 62 63 64 65 ..