Great Wall. Service manual for chassis and body (2006) - page 27

 

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Great Wall. Service manual for chassis and body (2006) - page 27

 

 

BE-23

Body Electric System

Lighting System

Small lamp steering system

SL SK SY SJ

fuse

ignition switch

small lamp switch

small lamp

large lamp

6

flashing lamp

steering switc

left

right

4

5

alarming

switch

ON OFF

8

4

5

10

2

1

combined switch

alarming switch lamp

stop lamp switch

1

2

1

2

3

5

6

7

8

4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

E

i

B

small lamp relay

small lamp

battery

BE-24

Body Electric System

Lighting System

Steering and Alarming System

Dr

fuse

horn switch

ON

OFF

flasher

B

E

i

OFF ON

1

2

3

steering switch

left right

16

2

9

left turn indicating lamp

front left turn lamp

(turn lamp) on left side)

rear left turn lamp

right turn indicating lamp

(right front turn lamp

turn lamp) on right side

(rear right turn lamp)

combination switch lamp)

alarming switch

1

2

3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

electric horn

battery

alarming lamp switch

BE-25

Body Electric System

Lighting System

Steering and Alarming System (continued)

SF

ignition switch

5

3

ACC

ON

ST

fuse

alarming lamp switch

ON OFF

3

1

2

6

5

4

B

L

E

steering switchleft

tight

16

2

9

left turn indicating lamp

front left turn lamp

turn lamp) on left side

rear left turn lamp

right turn indicating lamp

right front turn lamp)

turn lamp on right side

rear tight turn lamp

combined switch

alarming switch

ignition switch

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

fuse

battery

flasher

fuse

BE-26

Body Electric System

Lighting System

Inspection on Common Failure

FailurePossible

Causes

Repairing approaches

Remark

Only one lamp doesn

t work

Burn off bubble

Grounding failure of socket or wiring

Change the bubble

Make reparation as required.

Abnormal steering signal

Burn off horn fuse

Change the fuse and check to see

Dr SF

whether there is short circuit

Failure of steering signal flasher

Check the flasher

Failure of steering signal/alarming switch

Check the switch

Wiring or groun ding failure

Make reparation as required.

One side of the steering

Failure of steering signal switch

Check the switch

signal doesnít flash

Wiring or grounding failure

Make reparation as required.

Alarming lamp doesn

t

Change the fuse and check to see

Change the fuse and check

Dr SF

workBurn off horn fuse

whether there is short circuit

Failure of steering signal flasher

Check the flasher

Failure of steering signal/alarming switch

Check the switch

Wiring or grounding failure

Make reparation as required.

The front combination

Burn off fuse

Change the fuselamp don

t work

Failure of large lamp relay

Check the relay

Failure of combinationswitch

Check the switch

Wiring or grounding failureMake

Make reparation as required

Burn off fuse in tail lamp

Change the fuse and check

whether there is short circuit

Burn off maxi-fuse

Change the maxi-fuse;

Failure of combined switch

Check the switch;

Wiring or grounding failure

Make reparation as required.

Upper beam lamp doesn

t work

Failure of combination switch

Check the switch

Wiring or grounding failure

Make reparation as required

The rear combined tail lampand

license lamp don

t work

BE-27

Body Electric System

Lighting System

Parts inspection

Dr

Combined switch conductance

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

NV

20

21

Terminal

function

Lamp switch

OFF

Large

lamp

Dimmer

switch

Lower

beam

upper

beam

steering

switch

Leftturnn

right turn

central

overtake

1

8

10

17

3

7

2

9

SF

SL SK SY SJ

1

O

3

4

5

6

7

U

V

NM

NN

NO

NP

NQ

NR

16

17

18

19

20

21

Termina

function

Lamp switch

OFF

small

lamp
large

lamp

dimmer

switch

lower

beam

upper

beam

steering

switch

right

turn

left turn

central

over drive

1

8

7

10

3

15

2

9

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

terminal

function

lampswitch

OFF

small lamp

large lamp

dimmer

switch

lower beam

upper beam

wteering

switch

right turn

left turn

central

over drive

16

7

15

10

8

9

1

4

3

5

Br

G/R

G/Y

B

Bl/W

B/Y

B/W

B

Bl/W

Bl/Br

Bl/W

Bl/Br

B

B/Y

B/W

B

G/Y

G/R

Bl/W

Bl/Br

B

B/Y

B/W

B

G/Y

G/R

small

lamp

BE-28

Body Electric System

Lighting System

 Combined Switch conductance (continued)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Lamp switch

OFF

Small

lamp

Small

lamp

Dimmer

switch

Lower

beam

steering

switch

upper

beam

Right

to

central

overdrive

16

7

15

10

8

9

1

4

3

5

Br

G/W

G/B

B

R/Bl

R/B

R/Y

B

R/Bl

R

In case the conductance situation fails to satisfy the specified requirement, change the switch.

Conductance of Alarming Switch

Dr

1

2

3

Terminal

switch position

1

3

OFF

ON

G/B

G/Y

G/R

SF

1

2

3

4

5

6

7

8

9

10

OFF

ON

8

9

1

2

3

4

5

6

B

G/W

P/G

G/B

P/B

Br/Bl

G/R

G/Y

2

SLDiesel  SYDiesel

function

Terminal

Left

steering

Terminal

switch position

BE-29

Body Electric System

Lighting System

Conductance of Alarming Switch (continued)

SL SK SY SJ

1

2

3

4

5

6

7

8

switch

position

OFF

ON

1

2

3

4

5

6

7

8

G/B

G/R

G/Y

Br

Y

W/Br

B

G/W

SLDiesel  SYDiesel

1

2

3

4

5

6

7

8

Terminal

switch

position

OFF

ON

1

2

3

4

5

6

7

8

G

G/W

G/B

Br

Y

Br/W

B

G/R

In case the conductance fails to satisfy the specified requirement, change the switch.

Conductance of Fog-lamp Switch

Dr

1

2

3

Terminal

switch

position

OFF

ON

1

3

B

Bl/B

Terminal

BE-30

Body Electric System

Lighting System

Conductance of Fog-lamp Switch

SF

SF

SL SK SY SJ

SLDiesel  SYDiesel

1

2

3

4

5

S

7

8

9

10

Terminal

switch

position

OFF

ON

2

5

6

7

3

U

V

NM

B

P/Y

B

G/W

G/W

1

2

3

4

5

6

Terminal

switch

position

OFF

ON

1

2

3

4

5

6

Terminal

switch

position

OFF

ON

R

O

P

S

G/W

B

_

s

1

2

3

4

5

6

Terminal

switch

position

OFF

ON

R

O

P

S

G/R

B

B

Bl

1

2

3

4

5

6

B

B

W

G/W

W

Nothing Nothing Nothing

Nothing

BE-31

Body Electric System

Lighting System

Conductance of Large Lamp Relay

30

85

87

86

30

85

87

86

Terminal

status

Fixed

Load accumulator voltage

on the terminal 85,86.

85

86

87

30

In case the conductance of above-mentioned switch fails to satisfy the specified requirement, change the switch.

Conductance of Flasher Relay

E

L

B

turn signal lamp

1.

Connect the positive lead from the accumulator to the

terminal B, and the cathode lead to terminal E.

2.

Connect two turn signal lamps to the terminal L and E and

check the flashing situation of the two bubbles.

The turn signal lamp should flash 85

10 per minute, in

case the flashing frequency fails to satisfy the specified

requirement, change the flasher relay.

30

85

87

86

30

85

87

86

Terminal

status

Fixed

Load accumulator voltage

on the terminal 85,86.

85

86

87

30

Dr SF

SL SK SY SJ

BE-32

Body Electric System

Combination Instrument

Combination instrument

Electric circuit diagram

^N

^NS

_N

_NP

Dr

aêaáÉëÉä

rear fog lamp indicating lamp

rear window/defroster indicating lamp

upper beam indicating lamp

front fog-lamp indicating lamp

A13

B3

connected

with

negative

pole

A10

connected
with
positive
pole

A2
connected
with
negative
pole

water
thermometer

tachometer

speedometer

connected with sensor

connected with revolution signal

connected with sensor anode

connected with sensor

fuel gauge

connected with sensor

braking liquid level indicating lamp

parking brake indicating lamp

safety airbag indicating lamp

low oil pressure indicating lamp

engine failure indicating lamp

four wheel drive indicating lamp

generator preheating indicating lamp

fuel alarming indicating lamp

accumulator charging indicating lamp

ABS failure indicating lamp

left turn indicating lamp

right turn indicating lamp

instrument interior

lighting lamp

liquid crystal back-light lamp

A1

A16

B1

A5

A6

A7

A8

A9

B6

B8

B9

B10

B11

A12

B4

A15

A14

A10

connected
with
positive
pole

A3

A4

B12

B13

B5

A13

B3

connected

with

negative

pole

A10

connected
with
positive
pole

A2
connected
with
negative
pole

liquid crystal back-light lamp

i n s t r u m e n t   i n t e r i o r

lighting lamp

rear fog lamp indicating lamp

upper beam indicating lamp

front fog-lamp indicating lamp

water
thermometer

tachometer

speedometer

fuel gauge

connection with sensor

connected with revolution signal

connected with sensor anode

connected with sensor

connected with sensor

oil-water separation indicating lamp

safety belt indicating lamp

parking brake indicating lamp

braking liquid level indicating lamp

low oil pressure indicating lamp

engine failure indicating lamp

four wheel drive indicating lamp

generator preheating indicating lamp

fuel alarming indicating lamp

accumulator charging indicating lamp

ABS failure indicating lamp

left turn indicating lamp

right turn indicating lamp

A1

A16

B1

A5

A6

A7

A8

A9

B6

B8

B9

B10

B11

A4

A12

A14

A15

B4

A10

connected
with
positive
pole

A3

B12

B13

B5

BE-33

Body Electric System

Combination Instrument

Electric circuit diagram (continued)

SF

A 3   c o n n e c t e d
with negative pole

A1  connected
with positive pole

B8 connected
with negative
pole

B7
connected
with positive
pole

A4    connecting
with lighting
switch

A6 connected
with negative
pole

pressure-regulating
potential device

irect-current

power supply

5-9V

drive power

supply

110V

EL

luminous

plate

left turn indicating lamp

right turn indicating lamp

upper beam indicating lamp

rear fog lamp indicating lamp

rear window/defroster indicating lamp

front fog-lamp indicating lamp

water
thermometer

tachometer

connected with sensor

connected with revolution signal

speedometer

digital clock

fuel gauge

connect to the cathode of sensor

connected with sensor anode

connected with sensor

connected with sensor

back door indicating lamp

parking brake indicating lamp

safety airbag indicating lamp

low oil pressure indicating lamp

engine failure indicating lamp

four wheel drive indicating lamp

generator preheating indicating lamp

fuel alarming indicating lamp

accumulator charging indicating lamp

ABS failure indicating lamp

75

B9

B2

A15

B1

A9

B11

B10

A14

B4

B6

A12

B14  connected
with positive
pole

B7  connected
with positive
pole

A11

A5

A7

B12

B5

B13

A16

A13

B16

B15

A2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

In this drawing, A stands for the white plugging

elements, B for black plugging elements, they

use the same numerical order.

instrument

plugging element

BE-34

Body Electric System

Combination Instrument

Electric circuit diagram (continued)

A16

A1

B16

B1

SL SK

B1

B16

A1

A16

speed and mileage meter

4P

G

V

A9

vehicle speed signal

A11

odometer sensor

A10

odometer sensor anode

B11

sensor signal

electronic tachometer

water thermometer

fuel gauge

coolant temperature sensor

B5

A12

fuel gauge sensor

B14

A2

B3

upper beam

_NP

differential latch-in

safety belt

preheating

sediment water alarming

electricity charging/
discharging

fuel level alarming

brake failure alarming lamp

oil pressure alarming lamp

rear fog lamp

engine failure

four wheel drive indicating lamp

A1   Aturn indicating lamp

B16  left turn indicating lamp

A8

B4   +

B7  -

B8

A16

B15

B2

B1

A15

A14

B6

A13

B10

B9

SY SJ

accumulator plus four door-closing indicating lamp

A3

turn on when the door is opened.

A11

odometer sensor

_NO

electronic odometer

electronic tachometer

A10

B11

engine ignition coil

water thermometer

fuel gauge

B5

A12

neutral gear indicating lamp

A9

_NP

upper beam

B14

differential latch-in

vacuum alarming

preheating

sediment water alarming

electricity charging/
discharging

fuel level alarming

brake failure alarming lamp

oil pressure alarming lamp

rear fog lamp

engine failure

four wheel drive indicating lamp

A1  left turn indicating lamp

B16   right turn indicating lamp

A8

B4  +

instrument lighting

system

B8

B7  -

A16

B15

B2

B1

A15

A14

B6

A13

B9

B3

B10

A2

instrument lighting

system

BE-35

Body Electric System

Combination Instrument

Common Troubleshooting

a.

Such failures as inaccuracy indication, out-operation of indicator, on the fly of large and small summation meters

(mechanical wheel drive excluded) or incomplete liquid crystal display are caused by the interior failures of the

instrument, therefore, these failures, once occur, should be judged according to the instrument interior failures, and

change the combination instrument directly.

b.

In case both the large and small summation meter and the indicator of electronic odometer are on the fly, such failures

can be removed by disassembling the speed sensor from the whole vehicle first, then connecting the sensor and

combination instruments as shown in the drawing.

Then, open the power supply and run the rotors quickly to observe the indicator variation of odometer.

the odometer indicator

should be no less than 40Km/

h variation in speed under

common condition when

running the rotors,

otherwise,

change with the good sensor

good combination instruments

vÉë

No

Yes

No

Yes

No

installation of sensor

connector for wiring harness

malfunction of sensor

failure of instrument

panel

connector for wiring

harness

12V

combination instrument

signal input

sensor

BE-36

Body Electric System

Combination Instrument

Normal indicating range of combination instrument indicator

Speedometer

Real speed Km/h

Displayed speedKm/h

20

40

60

80

100

120

140

160

20

3

40

0

5

60

0

5

Tachometer SY SL

80

0

5

100

0

5

120

0

6

140

0

7

160

0

8

750

1000

2000

3000

4000

5000

6000

750

-10

+20

1000

-10

+50

2000

120 3000

150

4000

200

5000

250

6000

300

Real rotating
speedr/min
Displayed rotating
speedr/min

Tachometer Dr SL SK SF

1000

2000

3000

4000

5000

6000

7000

1000

100

2000

200 3000

150

4000

200 5000

250

6000

300 7000

350

Real rotating
speedr/min
Displayed rotating
speedr/min

c.

The inaccuracy display of tachometer is usually caused by the interior failures of tachometer, in such situation,

change the combination directly. As for the good-bad shift or out-operation of tachometer, the failures can be judged

according to the following approaches:

1)

Start the vehicle, then check the voltage of signal input of tachometer (wire harness with multi-meter, the

voltage should be 6 V or so.

2)

In case there is no signal voltage, check the power supply system of the whole vehicle to remove the failures

in circuit.

3)

The plugs of wire harness is only allowed to be inserted in the combination instruments under the condition

that the signal voltage is normal, and the instrument is in normal operation.

4)

Where the instrument is in abnormal operation, such trouble is caused by the failure of combination

instruments, in such case, change the combination instrument directly.

d.

Troubles of fuel gauge and water thermometer

1)

 In case the instrument indicator points to the large number after it is powered, disconnect the sensor from the

plugging elements of wire harness before judging such kinds of troubles, if the indicator is still at large number,

it can be make a judgment that the trouble is caused by the interior failure of instrument, in such case, change

the combination instrument directly; if the indicator returns to the small number, according to which it can be

judged that the trouble is caused by the sensor failure, therefore, change the sensor directly.

2)

where the instrument indicator stands still, such trouble may be caused by three causes probably, interior failure

of sensor, plugging elements of wire harness or interior failure of instrument; the inspection may be conducted

according to the following approaches: disconnect the plugging elements of wire harness from that of sensor,

grounding the wire at the sensor end; in such condition, the indicator should move upwardly to the largest

number; if such phenomena occurs, it can show the trouble is caused by the interior failure of sensor, in such

case, change the sensor directly; if the instrument indicator is still immobilized after it is powered, it can be

judged that the trouble is caused by the interior failure of instrument under the condition that the wire harness

and plugging elements are normal, in such case, change the combination instrument directly.

Fuel gauge Dr SF SY

Displayed oil
volume

Reference
resistance 

Permitted
error 

E

1/2

F

110

38

7

5

4

+3

Fuel gauge SJ

Displayed oil
volume
Reference
resistance 

Permitted
error 

E

1/2

F

110

38

7

12

4

2

Fuel gauge SL SK

Displayed oil
volume
Reference
resistance 

Permitted
error 

E

1/2

F

120

45

17

10

10

10

BE-37

Body Electric System

Backup Radar System

Backup Radar System

Dr SF

SL SK

back up radar control box

back up radar control box

right rear wheel

left rear wheel

rear bumper

Part Mounting Position

BE-38

Body Electric System

Backup Radar System

Inspection on Common Trouble

Failure Judgment Methods

No backup radar display (no

system start notification when

the reverse gear is engaged)

Check whether the plugging elements of power supply
of back up radar control box are in well connection as
shown in drawing H in next page.(when the reverse
gear is engaged, touch the detector, if there is vibration,
which shows the detector is powered.

Check whether the wire harness of inner mirror in
electric room and that on the top of body are in well
connection as shown in the drawing A in next page

Check whether the wire harness of back up radar
control box is well connected with that of chassis
and that on the top of body.

Rotate the vehicle key to the ACC position and
engage the reverse gear, then measure to see whether
the back up power supply reaches to 12 V with the
multi-meter of 50 V of voltage, refer to the 

red

and black

 positions shown in the drawing in next

page.

If the voltage reaches 12 V, change the backup
radar control box in trial firstly, then the inner
mirror in electric room, finally change the roof
wire harness and the chassis.

No backup radar display (but
there is start notification when
the reverse gear is engaged)
remark: such trouble occur
under the blocking condition.

Check whether the power supply of back up radar
is well located, see the red and position in the
drawing of next page.

Check and align the plugging element.

Poor properties of ultrasonic wave

Change the ultrasonic detector heads.

Continuous back up radar red

lamp alarming (remark: there

is no obstacle within 0.5 m away

from the detector head)

Check whether the detectors in the two circuit of
back up radar control box is well plugged, see the
marked positions F, G in the drawing of next page.

Check and well connect those plugging elements
Poor connection of the left/right ultrasonic detector head

Poor performance of back up radar control box.

Check and well connect those plugging elements

Change the ultrasonic detector head

Change the back up radar control box.

Vehicle model

pc

Alarming by mistake

The rear standby tire is removed

Conduct the inspection operation for the rear
standby tire at the spacious place

fail to detect the obstacle

The detector head doesn

t work

Change the detector head

There is dirt on detector head

Clean the detector head

Rear standby tire inspection

1. engage the reverse gear for five times repeatedly within ten seconds at the spacious place so that the red

lamp on the screen flash three times, the system will automatically remember the standby tire status.

2. When the body height varies or the stand by tire is opened, make a new inspection for the rear stand by

tire to ensure the backup radar in normal operation.

Seven section of lamp display

Column I

1.49m-1.3m          Column II

1.29m-1.1m

Column III

1.09m-0.9m        Column IV

0.89m-0.75m

Column V

0.74m-0.6m          column VI

0.59m-0.45m

Column VII

0.45m

Remark: the right and left LED display the direction and distance of obstacle respectively for driver

reference.

If the voltage fails to reach 12 v, check the power
supply system of original vehicle

s large wires

to restore the voltage to 12 V.

Vehicle model

SL SK

fail to detect the obstacle

Trouble description

Repairing and treatment approaches

 

 

 

 

 

 

 

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