JAC S2. Elctrical Wiring diagrams - part 14

Tire Pressure Monitoring System

Tire Pressure Monitoring System

200

II、Troubleshooting

(I)Troubleshooting List

No.

Fault phenomenon

Fault reason analysis

Solution

Remark

1

Turn ignition switch to
“ON”, tire pressure
warning indicating light
and TPMS indicating
light are on at the same
time for 2s, and not
off

Original packing receptor on vehicle hasn’t
been learnt binding.

Use handheld learning tool, obtain all tire
sensors ID again, binding receptor
controller.

Ever replaced receptor controller, and the
receptor controller hasn’t been leant
binding.

2

Tire pressure warning
indicating light twinkle

When driving, injury of prick holes and
segmentation happen to tire, tire pressure
fast drop

Must stop vehicle as soon as possible and
check all tire and pressure.

When vehicle stop(ignition switch to
ON/START), tire has decompression

After air pressure stop decompressing or
inflated,

it

will

remove

warning

automatically.

3

Tire pressure warning

indicator light always

on

When vehicle stop(ignition switch to
ON/START), tire has decompression,
causing pressure too low.

Inflate tire to actual air pressure value.
(There is tire pressure on tire pressure
label)

When vehicle stop(ignition switch to
ON/START), tire pressure too high, causing
pressure too high.

Inflate tire to actual air pressure value.

When driving on bumpy road, vehicle
turning, all tires stress differently, causing
tire pressure too high or too low in the
meantime.

Drive to flat and straight road, if pressure
is normal, it will remove warning
automatically.

When driving, detected tire pressure not
enough (tire not inflated for a long time or
tire damaged causing air leakage).

Must stop vehicle as soon as possible and
check all tire and pressure.

When vehicle driving high speed and
overloaded, causing tire over heat.

Reduce speed, reduce vehicle load.

When driving, air pressure not enough,
friction force increased, causing tire over
heat.

Must stop vehicle as soon as possible and
check all tire and pressure.

4

TPMS indicating light
is always on

One or more tire pressure sensor battery
power is lower than a certain value.

Replace sensor, and learn binding again.

Refer to “TPMS
indicating light is
always on”

In four tires, one or two tires not installed
tire pressure sensor

Re-install sensor, and learn binding again.

In four tires, one or two tires installed error
(namely sensor ID and receiving controller
ID not match)

Replace tire position, and learn binding
again.

In four tires, one or two tires pressure sensor
failure, can’t transport data.

Replace sensor, and learn binding again.

High frequency module of receiving
controller damaged, can’t receive any
sensor data in continuous 20 minutes.

Detect receiving controller, if need
replace receiving controller, must learn
binding again.

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Tire Pressure Monitoring System

Tire Pressure Monitoring System

201

No.

Fault phenomenon

Fault reason analysis

Solution

Remark

Four tire sensors ID and receiving controller
ID all not match, can’t receive any effective
sensor data in continuous 20 minutes.

Learn binding again.

When parking vehicle for a long time, tire
pressure is normal and there is no obvious
change, and doesn’t receive any sensor data
in continuous 20min.

It’s normal phenomenon, after vehicle
driving, sensors start to transmit data,
warning

state

will

be

removed

automatically

Drive in same frequency interfered
area(interference strong and continuous),
such as airport, radio transmit tower etc.,
may cover sensor signal.

After leaving same frequency interfered
area, warning status will be removed
automatically.

Receiving controller wiring harness bad
connect

Detect receiving controller connector, and
connect again.

5

Turn ignition switch
from OFF to ON,
indicator light not on

Dashboard indicator light failure

Detect dashboard, if dashboard damaged,

replace dashboard.

Refer to “When
tire pressure is
serious shortage,
tire

pressure

warning
indicating light is

not on”

(II)Troubleshooting Flow Chart

TPMS Indicating Light is Always On

No.

Inspection content

Measure

Judging specification

Next step

Yes

No

1

Check battery voltage

Use multimeter to measure battery
voltage

Standard

voltage

value:

11~14V

Next step

Check battery or
charging system

2

Check TPMS control unit
battery

Use multimeter measure voltage
between TPMS control unit wiring
harness connector F17-8 and body
GND

Standard

voltage

value:

11~14V

Next step

Check

fuse,

maintain

or

replace

wiring

harness

3

Check TPMS control unit
GND

Use multimeter measure resistance
between F17-9 and body GND

Standard resistance value:

less than 1Ω

Next step

Repair

or

replace

wiring

harness

4

Replace TPMS control unit

Disconnect battery negative pole
cable, replace TPMS control unit,
learn to binding tire pressure
monitoring sensor again.

Whether system is normal

System is normal Next step

5

Check power supply and
GND circuit of combination
meter

Check whether power supply and
GND circuit of combination meter
is normal

Standard

voltage

value:

11~14V
Standard resistance value:
less than 1Ω

Next step

Repair

or

replace wiring
harness

6

Replace combination meter

Whether system is normal

System is normal Next step

7

Replace

tire

pressure

monitoring sensor

Replace tire pressure monitoring
sensor, learn to binding tire pressure
monitoring sensor again.

Whether system is normal

System is normal


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Tire Pressure Monitoring System

Tire Pressure Monitoring System

202

Tire pressure warning indicating light not on when wheel tire pressure is seriously insufficient

No.

Inspection content

Measure

Judging specification

Next step

Yes

No

1

Check battery voltage

Use multimeter to measure battery
voltage

Standard

voltage

value:

11~14V

Next step

Check battery or
charging system

2

Check

wiring

harness

between combination meter
and TPMS control module

Disconnect TPMS control module
wiring harness connector F17 and
combination meter wiring harness
connector

M07,

and

measure

resistance between TPMS control
module wiring harness connector
F17-6 and combination meter
wiring harness connector M07-1

Standard resistance value:
less than 1Ω

Next step

Repair

or

replace

wiring

harness

3

Check TPMS control unit
battery

Use multimeter measure voltage
between TPMS control unit wiring
harness connector F17-8 and body
GND

Standard voltage value:
11~14V

Next step

Check fuse and
repair or replace
wiring harness

4

Check TPMS control unit
GND

Use multimeter measure resistance
between F17-9 and body GND

Standard resistance value:
less than 1Ω

Next step

Repair

or

replace

wiring

harness

5

Replace TPMS control unit

Disconnect battery negative pole
cable, replace TPMS control unit,
learn to binding tire pressure
monitoring sensor again.

Whether system is normal

System is normal Next step

6

Check power supply and
GND circuit of combination
meter

Check whether power supply and
GND circuit of combination meter
is normal

Standard

voltage

value:

11~14V
Standard resistance value:
less than 1Ω

Next step

Repair

or

replace

wiring

harness

7

Replace combination meter

Whether system is normal

System is normal Next step

8

Replace

tire

pressure

monitoring sensor

Replace tire pressure monitoring
sensor, learn to binding tire pressure
monitoring sensor again.

Whether system is normal

System is normal

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Tire Pressure Monitoring System

Tire Pressure Monitoring System

203

III、

TPMS Controller

(I)Removal

1

. Open engine hood cover

2. Disconnect negative electrode of battery Refer to “Disconnection and connection of battery electrode”

3. Remove front expansion plate assembly Refer to “Front expansion plate assembly”

4. Remove saucer cover plate assembly Refer to “Saucer cover plate assembly”

5. Remove front storage box assembly Refer to “Front storage box assembly”

6. Remove auxiliary dashboard assembly Refer to “Auxiliary dashboard assembly”

7. Remove TPMS controller

1). Disconnect wiring harness connector ① of TPMS controller;

2). Remove 2 fixed nuts ② of TPMS controller, and take down

TPMS controller;

(II)Installation

1. Install TPMS controller

1). Install fixed nuts ② of TPMS controller;

2). Connect wiring harness connector ① of TPMS controller;

2. Install auxiliary dashboard assembly

3. Install front storage box assembly

4. Install saucer cover plate assembly

5. Install front expansion plate assembly

6. Connect battery negative electrode

7. Close engine hood cover

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Tire Pressure Monitoring System

Tire Pressure Monitoring System

204

IV、TPMS Sensor

(I)Removal

1

. Open engine hood cover

2. Disconnect negative electrode of battery Refer to “Disconnection and connection of battery electrode”

3. Remove vehicle wheel Refer to “Vehicle wheel”

4. Remove TPMS sensor

1). Remove tire, and remove fixed nut of TPMS sensor from

outside of wheel rim;

2). Take down TPMS sensor from inside of wheel rim;







(II)Installation

1. Install TPMS sensor

1). Install TPMS sensor from inside of wheel rim;

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Tire Pressure Monitoring System

Tire Pressure Monitoring System

205

2). Install tire, tighten fixed nut of TPMS sensor from outside of

wheel rim;

△ Note

Install seal rubber of sensor and wheel rim tightly,
and ensure sealability of tire.



2. Install vehicle wheel

3. Connect battery negative electrode

4. Close engine hood cover

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