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Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

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Function Chart for Numbered Pins of Intermediate Connection of Wire Harness.

Engine Electronic Control System.

ABS System.

Airbag Electronic Control System (CAN 4).

Instrument Cluster (Circuit Diagram).

Tire Pressure Monitoring System (Circuit Diagram).

Electric Control Four-wheel Drive Intelligent Four-wheel Drive Central Control Switch.

BCM.

Instrument Cluster.

TPMS (Tire Pressure Monitoring System).

Anti-dazzle Rearview Mirror.

Function Chart for Numbered Pins of Intermediate Connection of Wire Harness.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Engine Electronic Control System.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

ABS System.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Airbag Electronic Control System (CAN 4).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Instrument Cluster (Circuit Diagram).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Tire Pressure Monitoring System (Circuit Diagram).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Electric Control Four-wheel Drive Intelligent Four-wheel Drive Central Control Switch.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

BCM.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Element Diagram and Connector Pin Function.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Instrument Function.

1. Sound Alarm Function.

(a) Description of Front Seat Belt Alarm Function

  • When ignition switch is switched to ON, if seat belt has not been used by driver or front passenger, instrument buzzer will send out 15 prompt tones (2s cycle period, tweeting for 0.5s, interval of 1.5s), and driver or front passenger’s seat belt indicator will be constantly on (front passenger’s seat belt indicator is realized by PAB switch). After the seat belt is fastened, the indicator will go out, and the alarm sound will disappear;
  • When vehicle speed is up to 25 km/h, if seat belt has not been used by driver or front passenger, instrument will send out prompt tones again, and alarm continuously (by tweeting every 15s). In addition, driver or front passenger’s seat belt indicator will be constantly on. After the seat belt is fastened, the indicator will go out, and the alarm sound will disappear;

(b) If any door is opened when a key is in the LOCK position of ignition lock, a prompt tone of Key Not Pulled Out will be sent out, and the alarm will continue for one minute before disappearing; the prompt tone will disappear immediately when the key is pulled out or the door is closed.

2. LCD Display.

The instrument is equipped with an LCD display to display milage, accumulation, subtotal, door open information, average fuel consumption, cruise speed display, gear information, bulb fault, rain sensor failure, AFS fault, AFS driving mode, engine water temperature alarm, low voltage alarm, and fuel alarm.

3. Speedometer.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

4. Tachometer.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

5. Fuel Gauge.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

6. Water Thermometer.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Instrument Working Condition.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Alarm Indicator.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

TPMS (Tire Pressure Monitoring System).

Composition.

Four Tire Pressure Sensors (not Provided for Spare Tire), One Tire Pressure Receiver, One Anti-dazzle Rearview Mirror

System Introduction.

TPMS system can graphically display relevant data and warning symbols on anti-dazzle rearview mirror when the pressure of one or more tires is too high or too low. Meanwhile, it will send out sound alarms to remind driver of the vehicle, thus improving driving safety and vehicle reliability.

TPMS Schematic Diagram.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Tire Pressure Monitoring Sensor.

The component is mounted on rim.

Structure Diagram.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

1 – Valve Cap; 2 – Locking Nut; 3 – Shim; 4 – Tire Pressure Monitoring Transmitter.

Technical Parameters.

1. When mounting, valve nut shall be locked by 3 to 5N-m torque (4N-m recommended);

2. Burrs shall not occur at the edges of hub wheel both-side holes, which may damage valve gasket;

3. Mounting hole diameter applicable for valve is 11.5±0.2 mm, the mounting surface in contact with the gasket shall be plane;

4. Weight: 40g (including valve component);

5. Frequency: 433.92MHz ± 10OKHz;

6. Power: -20dBm (EIRP);

7. Working Temperature: -40°C to 125°C;

8. Measurement Range: 100 to 900KPA;

9. Measurement Precision:

  • Pressure: 0~70°C ±10KPA;
  • Other: ±25KPA;
  • Temperature: ±3°C.

Tire Pressure Monitoring Receiver.

The component is mounted under the driver’s seat.

Appearance Diagram.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Technical Parameters.

1. Wire Connection: 282088-1 (TYCO);

2. Modulation Mode: FSK;

3. Frequency: 433.92MHz ± 10OKHz;

4. Receiver Sensitivity: < -105dBm (Coaxial Cable Input);

5. Working Temperature: -40°C~+125°C;

6. Working Voltage: DC 8V-16V;

7. Terminal Insertion/Extraction Force:

  • Extraction Force 100mm/min > 85N;
  • Insertion Force 20mm/min < 75N.

Tire Pressure Setter.

Summary.

THA13 setter is a TPMS system matching tool designed and developed for 4S shops, through which tire pressure sensor initiation, sensor replacement, tire rotation can be carried out, realizing the convenient maintenance operation of TPMS system in 4S shops.

Appearance Diagram.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Technical Parameters.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Notes.

During operation, if indicator brightness darken after power switch is turned on, or all indicators flash when triggered, capacity of the setter battery is low. Please replace the battery.

In case of low battery capacity, the trigger distance will become short. Please approach the tire valve to the greatest extent. During setting, open the vehicle door, and press the button for confirmation in the cockpit to conduct the setting operation.

Operation Description.

1. Sensor Initialization.

For users who equip their vehicles with TPMS afterward, this function can be used.

(a) Turn on the setter power switch, initiation indicator will be illuminated (automatically illuminated when powered by default).

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(b) Let the setter close to the left front wheel, and when the distance to the left front wheel valve is 50cm, press the button representing the left front wheel to allow the left front wheel indicator to flash. When transmission information of the sensor has been received, the indicator will be constantly on.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(c) Trigger the right front, right rear and left rear wheels successively. After triggered, indicators of corresponding positions will be constantly on.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(d) After indicators at the four tire positions are all on, take the setter into the cockpit. After confirming that vehicle key is at the “ON” position, press the “OK” button of the setter, then the indicators at the four tire positions will be displayed by turns.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(e) After setting information has been received by the receiver mounted under seat, “SET” will be displayed on rearview mirror.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(f) In addition, the indicators for four tire positions will be illuminated simultaneously. Operator shall press the button on the rearview mirror for confirmation within 30s. After confirmation, sensor initiation is finished.

Note: If operator has not pressed the button on the rearview mirror for confirmation within 30s, the operation is invalid and the initiation cannot be finished. It is required to re-operate by the above operations once again.

2. Sensor Replacement.

For replacement of the vehicle sensor, this function can be used.

(a) Turn on the setter power switch and press the sensor replacement button, then sensor replacement indicator will be illuminated.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(b) Let the setter close to tire valve with its sensor replaced, between which the distance is less than 50cm, and press the button at the position of the tire with its sensor replaced, then the indicator of this position will flash. When sensor transmission information has been received, the indicator will be constantly on; If more sensors have been replaced at the same time, please trigger them in proper order, to make the indicators of the positions with their sensors replaced constantly on.

(c) Take the right front wheel sensor replacement as an example.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(d) Take the setter into the cockpit, and confirm vehicle key is at the “ON” gear position. Then, press the ”OK” button of the setter, then the indicators at the four tire positions will be displayed by turns.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(e) After setting information has been received by the receiver mounted under seat, ’’SET” will be displayed on rearview mirror, and the indicator of the position with its sensor replaced will be constantly on.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(f) Operator shall press the button on the rearview mirror for confirmation within 30s. After confirmation, sensor replacement is finished.

Note: If operator has not pressed the button on the rearview mirror for confirmation within 30s, the operation is invalid and the sensor replacement cannot be finished. It is required to re-operate by the above operations once again.

Please carry out the above operations after sensor has been completely mounted. During sensor mounting, it is not required to record the ID code and mounting position information of the sensor. 4S shop maintenance records are excluded.

3. Tire Rotation.

When any tire has been used for a long time, it is required to conduct tire rotation. The function is able to be used.

(a) Turn on the setter power and press the tire rotation button, then the rotation indicator will be illuminated.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(b) Select the tires with their positions rotated, and press their corresponding position buttons on the setter successively, then tire position indicators will be illuminated. Take the left front and right rear wheels as examples, as shown in the left figure.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(c) Take the setter into the cockpit, and confirm vehicle key is at the ”ON” gear position. Then, press the ”OK” button of the setter, then the indicators at the four tire positions will be displayed by turns.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(d) After setting information has been received by the receiver mounted under seat, “SET” will be displayed on rearview mirror, and the indicators of the positions where tires have been rotated will be constantly on.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

(e) Operator shall press the button on the rearview mirror for confirmation within 30s. After confirmation, tire rotation is finished.

Note: If operator has not pressed the button on the rearview mirror for confirmation within 30s, the operation is invalid and the tire rotation cannot be finished. It is required to re-operate by the above operations once again.

Please rotate the corresponding tires firstly before the above operations are carried out. Sensors are not required to be removed during tire rotation. If rotation is carried out for more than two tires, please follow the above operations repeatedly, during which only two tires can be rotated each time.

Anti-dazzle Rearview Mirror.

Product Specification.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Appearance Diagram.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Terminal Definition.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

I/O Interface Specification.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Anti-dazzle Function Description.

1. Non-anti-dazzle State.

At daytime, the environmental luminous intensity of the electronic anti-dazzle mirror is generally higher than 1 OOLux. At this time, regardless of dazzle luminous intensity, the anti-dazzle mirror will automatically enter the daytime mode and remain its non-anti-dazzle state; the anti-dazzle mirror, whose reflectivity under non-anti-dazzle state can reach 55% or above, is considered as a regular rearview mirror this moment;

2. Anti-dazzle State.

At night, or when passing through any tunnel or cave, the environmental luminous intensity of the electronic antidazzle mirror is generally lower than 1 OOLux, which will automatically enter night mode and remain its anti-dazzle state; at this time, if the dazzle luminous intensity of rear vehicles is higher than the environmental luminous intensity, the anti-dazzle mirror will immediately start the anti-dazzle function, darkening the mirror; the higher the dazzle luminous intensity is, the darker the mirror will be; the reflectivity when the mirror is the darkest is higher than 4%; the anti-dazzle function can allow drivers to look at the rearview mirror directly without any eye discomfort or dizziness, and to see rear objects clearly, thus improving driving safety; the anti-dazzle function plays a good protective role for eyes, which can avoid eye fatigue, thus guaranteeing driving safety at night; after dazzle disappears, the anti-dazzle mirror will quit the anti-dazzle state within a short period, which will be used as a regular rearview mirror afterward.

Display Function Description.

Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).

Remark: the display function with display anti-dazzle mirror can be functioned only when used together with vehicle tire pressure inspection system.

1. Power Display.

When no data sent from the tire pressure machine has been received, the rearview will display the tire pressure and temperature values by turn; Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive). When normal information of tire pressure sent from the tire pressure machine has been received, the display of tire pressure and temperature values will be shifted (the shift period is 1.5s); when abnormal information of tire pressure sent from the tire pressure machine has been received, display it on the basis of the following description of abnormal tire display.

2. Normal Display of Tire Pressure.

The four tire pressures are displayed by turn with their corresponding tire pressure state indicators flashing. After 30s, display of the tire pressure and temperature values will stop.

3. Abnormal Tire Display.

When any tire is abnormal, the rearview mirror will always display the abnormal information, that is, pressure alarm symbol, temperature alarm symbol, rapid leakage alarm symbol or signal loss alarm symbol will be illuminated with the corresponding data displayed (for example, in case of pressure exception, pressure alarm symbol and pressure value will always be constantly shown); In case of pressure exception, signal loss exception and temperature exception, the buzzer will tweet for five times (0.5s tweet and then 0.5s blank) with its corresponding tire pressure state indicator turning red and flashing; In case of rapid leakage exception, the buzzer will tweet for 15s with its corresponding tire pressure state indicator turning red and flashing; in normal state, the rearview mirror display interface is off. If alarm information sent from tire pressure machine has been received this moment, the display interface will be automatically turned on and display information continuously before restoration. After restoration, the alarm will disappear, and the display interface will be turned off after 30s.

4. Learning Mode Display Description.

When learning information sent from the tire pressure machine has been received, the rearview mirror will enter the learning interface automatically: the four tire state indicators will turn green while flashing, and the ’’SET” characters will be shown at the bottom right of the vehicle symbol; if the rearview mirror button has been pressed for about 0.5s at this time, the rearview mirror will feedback ’’the response information is received” to the tire pressure machine, which represents a successful learning process; if the button has not been pressed within 30s, ’’the response information is not received” will be feedbacked to the tire pressure machine, which represents a failed learning process.

5. Learning Display Description of Tire Pressure Sensor Replacement.

When the information of tire pressure sensor replacement demand sent from the tire pressure machine has been received by the rearview mirror, the state indicator corresponding to the tire whose sensor is required to be replaced, will turn green while flashing, and the ’’SET” characters will be shown at the bottom right of the vehicle symbol; if the rearview mirror button has been pressed for about 0.5s at this time, the rearview mirror will feedback “the response information is received” to the tire pressure machine; if the button has not been pressed within 30s, ’’the response information is not received” will be feedbacked to the tire pressure machine.

6. Learning Display Description of Tire Rotation.

When the information of tire rotation demand (for one or more tires) sent from the tire pressure machine has been received by the rearview mirror, the state indicator corresponding to the tire required to be rotated, will turn green while flashing, and the “SET” characters will be shown at the bottom right of the vehicle symbol; if the rearview mirror button has been pressed for about 0.5s at this time, the rearview mirror will feedback “the response information is received” to the tire pressure machine, which represents a successful tire rotation; if the button has not been pressed within 30s, “the response information is not received” will be feedbacked to the tire pressure machine, which represents a failed tire rotation.

Button Function Description.

1. Normal Display of Tire Pressure.

After IGN=ON for 30s, the rearview mirror will stop displaying tire pressure and temperature values; press the button for about 0.5s, to re-display tire pressure and temperature values, and press the button again for about 0.5s, to stop displaying these values. By doing so, you can view the current tire condition at any time.

2. Display Unit Setting of Tire Pressure and Temperature Values.

When IGN=ON, display units of tire pressure and temperature values are defaulted as the previous display units; press the button for about 3 s to enter the tire pressure and temperature unit setting; firstly, enter the tire pressure unit setting, to allow the tire pressure unit flashing. At this time, the unit will shift among kPa, bar and psi in cycle after each press. If the button is not pressed within 3s, the system will consider the tire pressure unit setting has been finished by default, and display the last selected unit. Meanwhile, it will stop flashing the tire pressure unit, and enter the temperature unit setting to allow the temperature unit flashing. At this time, the unit will shift between °C and °F in cycle after each press. If the button is not pressed within 3s, the system will consider the temperature unit setting has been finished by default, and display the last selected unit. Meanwhile, it will stop flashing the temperature unit, and quit the unit setting state while entering the normal display state finally.

3. For the rearview mirror to conduct relevant setting under learning display mode.

Diagnosis Function Description.

1. Fault Diagnosis of IGN Power Wire.

(a) When voltage is higher than 16V, LED will display the error code of “E-l”, and the tire display color is red.

(b) When voltage is lower than 9V, LED will display the error code of “E-2”, and the tire display color is red.

2. Fault Diagnosis of LIN Line.

(a) When power supply is short-cricuit, LED will display the error code of “E-3”, and the tire display color is red.

(b) For short circuit for groud, LED will display the error code of “E-4”, and the tire display color is red.

3. Fault Diagnosis of LIN Information not Received.

(a) When system is powered for the first time, if LIN information has not been received after 800 ± 200ms, LED will display the error code of E-5.

(b) When system is operating in the driving state, if LIN information has not been received after 16s, LED will display the error code of E-6.

(c) When the above items “a” and “b” are displayed, the four tires will turn red while flashing for 5s (0.5s on and then 0.5s off), the buzzer will tweet for 5 times (0.5s tweet and then 0.5s blank), tire pressure warning symbol “Great Wall Body Electric Apparatus (K5-4D20 Left Hand Drive).” will be shown, and LED will display the corresponding error code, when the fault has disappeared, system will return to the normal display state directly.

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