DongFeng E70 Service Manual
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DongFeng E70 Service Manual

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Oct. 2018
Service Manual
(Supplementary process of anniversary version)
The service manual is copyrighted by
Dongfeng Motor Corporation Passenger
Vehicle Company.
The company reserves the right to make
changes to and interpret this manual.
Dongfeng Motor Corporation Passenger Vehicle Company
After-sales Service Technical Document

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Summary of Contents for DongFeng E70

  • Page 1 (Supplementary process of anniversary version) The service manual is copyrighted by Dongfeng Motor Corporation Passenger Vehicle Company. The company reserves the right to make changes to and interpret this manual. Dongfeng Motor Corporation Passenger Vehicle Company After-sales Service Technical Document...

  • Page 3: Table Of Contents

    Supplementary process of anniversary version Contents Troubleshooting ............................ 4.3-3 DTC of AVAS ..........................4.3-3 DTC of battery cooling control unit ....................4.3-3 DTC of AC (anniversary version) ....................4.3-5 DTC of telematics unit (TU) ......................4.3-5 DTC of VCU (independently-developed motor) ................4.3-6 DTC of ESC ..........................
  • Page 4 Instrument cluster ..........................4.3-38 Configuration writing after instrument cluster replacement ............4.3-38 T-BOX ..............................4.3-39 Configuration writing after T-BOX replacement ................. 4.3-39 Air Conditioner ............................ 4.3-40 Removal and refitting of A/C control unit ................... 4.3-40 4.3-2...

  • Page 5: Troubleshooting

    Troubleshooting Troubles hooting DTC of AVAS Recommended DTC description Possible causes countermeasures Too low battery voltage, please U3003 Low voltage Low battery voltage check battery high battery voltage, U3003 High voltage High battery voltage please check battery Check the acoustic alerting B2800 Working current abnormal Internal fault of control unit...
  • Page 6 Troubleshooting Trouble code DTC Description Fault causes Recommended countermeasures 1. Test the circuit. 2. Ask the professional B2709 EXV failed EXV in failure status maintenance personnel for maintenance. Body involves Body CAN network involves 1. Test the circuit. 2. Ask the professional U0073 BusOff BusOff...

  • Page 7: Dtc Of Ac (Anniversary Version)

    Troubleshooting DTC of AC (anniversary version) Use a special scan tool to perform troubleshooting. For details, see the diagnostic introductions given by the scan tool. Trouble Recommended Hexadecimal DTC Description Fault causes code countermeasures Ambient temperature 1. ECU circuit failed Inspect circuit B1614...

  • Page 8: Dtc Of Vcu (Independently-Developed Motor)

    Troubleshooting DTC of VCU (independently-developed motor) Recommended Trouble code DTC Description Fault causes countermeasures Ignition key position signal B1500 Key switch sensor abnormal Replace the key. abnormal High accelerator pedal angle High accelerator pedal angle Replace the accelerator pedal B1501 signal voltage signal voltage assembly.

  • Page 9: Dtc Of Esc

    Troubleshooting DTC of ESC Recommended Trouble code DTC Description Fault causes countermeasures CAN control unit CAN control unit failed Internal damage of ESC Replace the ESC. C0051 Switching valve S/M1 failed Internal damage of ESC Replace the ESC C0052 Switching valve S/M2 failed Internal damage of ESC Replace the ESC Normally open valve (FR) of...
  • Page 10 Troubleshooting Recommended Trouble code DTC Description Fault causes countermeasures External wiring/circuit abnormal 1. Verify the external wiring and 2. Mounting position of sensor circuit Wheel speed sensor 2 (RL) improper 2. Adjust the mounting position C0065 failed External connection of sensor sensor abnormal 3.

  • Page 11: Dtc Of Tire Pressure Monitoring System (Tpms)

    Troubleshooting DTC of tire pressure monitoring system (TPMS) Recommended Trouble code DTC Description Fault causes countermeasures Low battery voltage Low power of power system Charge U3003 High power supply voltage of Reduce power supply High battery voltage power system voltage. 1.

  • Page 12: Tire Pressure Monitoring System

    Tire pressure monitoring system Tire pr ess ure monitori ng s ystem Removal and refitting of tire pressure sensor 1 - Removal • Turn off the ignition switch, and disconnect the battery negative cable. • Remove the wheels. (Refer to "Removal and Refitting of Wheels"...
  • Page 13 Tire pressure monitoring system • Remove the fixing bolts (1) of the tire pressure sensor with a T10 screwdriver bit to separate the tire pressure sensor from the valve. 2- Refitting • Position the tire pressure sensor (1) and the valve (2) to refit them in place.
  • Page 14 Tire pressure monitoring system • Balance tire pressure sensor (1) tighten the fixing nuts (2) of it to the valve stem. • Tighten the fixing nuts of the tire pressure sensor 5 ± 0.5N· m with 11mm socket wrench. • Refit the tires with a tire changer (1).

  • Page 15: Removal And Refitting Of Tire Pressure Monitoring Control Unit

    Tire pressure monitoring system Removal and refitting of tire pressure monitoring control unit 1 - Protection Place protective pads at following locations: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever;...
  • Page 16 Tire pressure monitoring system • Press and hold the locking clip of the connector, and disconnect the connector (1) of the tire pressure monitoring control unit wire harness . • Remove the tire pressure monitoring control unit (2). 4- Refitting •...

  • Page 17: Wireless Air Leak Learning (Learning Without Tools)

    Tire pressure monitoring system Wireless air leak learning (learning without tools) 1- Protection Place protective pads at following locations: · Front fender; · Front bumper; Driver’s seat; · · Carpet (on driver's side); · Steering wheel; · Parking brake lever; ·...
  • Page 18 Tire pressure monitoring system • After the deflation of 4 tires is completed, the instrument cluster will display “Tire Pressure Learning Successful”. CAUTION • The above learning shall be completed within 240 s, or TPMS will exit the learning mode automatically if more than 240 s. IDs of tires that have not been learned will be invalid and there will be no information displayed by the instrument cluster.

  • Page 19: Tire Pressure Learning (With Tools)

    Tire pressure monitoring system Tire pressure learning (with tools) 1- Protection • Place protective pads at following locations: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; • Shift lever.
  • Page 20 Tire pressure monitoring system • Disconnect the OBD2 to DB9 data cable between the tool and the vehicle OBD port. The cursor “→” is at the FL position. The tool is close to the left front wheel valve position. Press the ENTER button to wake up the sensor (it is required to bring the tool close to the valve at the position of the tire to be waken up within 5 cm.
  • Page 21 Tire pressure monitoring system 6- Flow chart for learning with tool • The flow chart for learning with tool is shown as follows: (1) Enter the main menu interface of learning. (2) Learning position (3) ID learning of sensor (4) Learning succeed (5) Sensor ID writing succeed Back to the main menu of The vehicle travels at a...

  • Page 22: Esc Hydraulic Control System

    ESC hydraulic control system ESC hydraulic c ontrol s ystem Removal and refitting of steering wheel angle sensor 1- Protection Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); •...

  • Page 23: Calibration Of Steering Wheel Angle Sensor

    5° ), the operations must be completed on the four-wheel alignment bench. • Connect the scan tool connector and turn on the scan tool to enter the E70 model. • Select the function calibration item, display the list of sensors to be calibrated, select the steering wheel angle sensor calibration, and click OK.

  • Page 24: Calibration Of Lateral Acceleration And Longitudinal Acceleration Sensors

    Read trouble code the “ON” position. Clear trouble code • Enter the “Diagnostic Function Interface” of Parameter measurement the scan tool to select the E70 model. After-sales information writing • Select “Electronic Stability Control Lateral acceleration and longitudinal (ESC)” menu to proceed to the next step.

  • Page 25: Removal And Refitting Of Esc Off Switch

    ESC hydraulic control system Removal and refitting of ESC OFF switch Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; • Shift lever. 2 - Removal •...
  • Page 26 ESC hydraulic control system • Press the locking clip of connector and disconnect the ESC OFF switch connector (1). • Pry open the locking clips on both ends of OFF switch with slotted screwdriver to remove the ESC OFF switch (1).
  • Page 27 ESC hydraulic control system • Clamp the fixing brackets of the charging hole cover handle and the drive motor compartment handle in place and pre-tighten the fixing bolts (1). • Tighten the fixing bolts (1) of the charging hole cover handle and the drive motor compartment handle with...

  • Page 28: Steering Wheel Buttons

    Steering wheel buttons Steering wheel buttons Replacement of steering wheel buttons assembly 1- Protection Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; •...
  • Page 29 Steering wheel buttons • Press the locking clip of steering wheel buttons connector to disconnect the steering wheel button connector (1). • Pry up the steering wheel buttons (1) with the interior trim removal tool (BF1102) [1]. • Remove steering wheel buttons assembly (1).
  • Page 30 Steering wheel buttons • Tighten the fixing screws (1) of the steering wheel back buttons with Phillips screwdriver (one for left/right side of steering wheel). • Refit the driver’s frontal airbag. (Refer to "Removal and Refitting of Front Passenger's Airbag" in "Supplemental Restraint System"). •...

  • Page 31: Solar Sensor

    Solar sensor Sol ar s ens or Removal and refitting of solar sensor 1- Protection Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; •...
  • Page 32 Solar sensor 3- Refitting • Refit the solar sensor connector (1) and ensure it is clamped in place. • Insert the solar sensor (1) into the instrument panel. 4.3-30...

  • Page 33: Indoor Temperature Sensor

    Indoor temperature sensor Indoor temper atur e s ensor Removal and refitting of indoor temperature sensor 1- Protection Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; •...
  • Page 34 Indoor temperature sensor • Pry open the instrument panel left protective plate (1). • Press and hold the connector locking clip to disconnect the indoor temperature sensor connector (2). • Disconnect the ventilation pipe (3). • Remove the fixing screws (1) of the indoor temperature sensor with...
  • Page 35 Indoor temperature sensor • Connect the ventilation pipe (1). • Insert indoor temperature sensor connector (2) and ensure it is clamped in place. • Refit the instrument panel left protective plate (3). • Clamp the fixing brackets of the charging hole cover handle and the drive motor compartment handle in place and pre-tighten the fixing bolts (1).

  • Page 36: Acoustic Vehicle Alerting System (Avas)

    Acoustic vehicle alerting system (AVAS) Acoustic vehicl e alerti ng s ys tem ( AVAS) Removal and refitting of AVAS • For the model with MP5 large screen, Please refer to “Removal and refitting of ESC OFF switch” for Removal and refitting of AVAS switch (1).

  • Page 37: Removal And Refitting Of Acoustic Alerting Control Unit

    Acoustic vehicle alerting system (AVAS) Removal and refitting of acoustic alerting control unit 1- Protection Place protective pads at following locations: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; •...
  • Page 38 Acoustic vehicle alerting system (AVAS) 3- Refitting • Insert the acoustic alerting control unit (1) to the acoustic alerting control unit bracket. • Pre-tighten the fixing screws (2) of the acoustic alerting control unit and tighten it with a Phillips screwdriver. •...

  • Page 39: Main Unit Of Mp5

    • Set the ignition switch or start-stop button to “ON”. • Enter the “Diagnostic Function Interface” of the scan tool to select the E70 model. • Select the “WindLink 2.0 plus” menu to proceed to the next step. • Select the “A/V system MP5” menu to proceed to the next step.

  • Page 40: Instrument Cluster

    Set the ignition switch or start-stop button to ECU flashing “ON”. • Enter the “Diagnostic Function Interface” of the scan tool to select the E70 model. • Select the “Instrument Cluster (IC)” menu to proceed to the next step. •...

  • Page 41: T-Box

    T-BOX T-BOX Configuration writing after T-BOX replacement 1- Protection Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; • Shift lever. 2- Configuration writing System identification Read trouble code Clear trouble code...

  • Page 42: Air Conditioner

    Air Conditioner Air Condi tioner Removal and refitting of A/C control unit 1- Protection Place protective pads at following positions: • Front fender; • Front bumper; • Driver’s seat; • Carpet (on driver's side); • Steering wheel; • Parking brake lever; •...

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