Changan CS35 Workshop Manual
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Changan CS35 Workshop Manual

Changan CS35 Workshop Manual

Supplemental restraint system
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CS35 Workshop Manual
supplemental Restraint System
CS35RM2H/3/1

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Summary of Contents for Changan CS35

  • Page 1 CS35 Workshop Manual supplemental Restraint System CS35RM2H/3/1...

  • Page 3: Table Of Contents

    Supplemental Restraint System 4.2 Supplemental Restraint System 2012 CS35 Table of Contents PAGE 4.2.1 supplemental Restraint System Specification............................. 4.2.1-1 Torque Specifications........................ 4.2.1-1 Description and Operation ....................... 4.2.1-2 System Overview........................4.2.1-2 Component Description ......................4.2.1-3 Location View ........................... 4.2.1-5 Symptom Diagnosis and Testing...................... 4.2.1-6 Inspection and Verification......................
  • Page 4 Supplemental Restraint System Passenger Airbag ........................4.2.1-66 Airbag Control Module ......................4.2.1-69 Impact Sensor.........................4.2.1-71 CS35 2013.04...

  • Page 5: Specification

    4.2.1 supplemental Restraint System 4.2.1-1 Supplemental Restraint System 4.2.1-1 Specification Torque Specifications Description lb-ft lb-in Passenger airbag retaining bolt Airbag control module retaining bolt Airbag wiring harness ground bolt Impact sensor retaining bolt CS35 2013.04...

  • Page 6: Description And Operation

    The airbag control module implements a continu- ous personal injury when airbag deploy- ous diagnostic monitoring to the electrical compo- ment. Changan Auto reminds you of nents of the supplemental restraint system. If the wearing seat belts when traveling by car.

  • Page 7: Component Description

    Changan Automobile authorized service judge whether the airbag should be ignited. stations for maintenance as soon as pos- Driver Airbag, Passenger Airbag sible;...
  • Page 8 The airbag system wiring harness connects the control unit, inflatable module, deployment loop and data circuit via waterproof connectors. The deployment loop wiring harness supplemental restraint system is yellow. To ser- vice the supplemental restraint system wiring har- CS35 2013.04...

  • Page 9: Location View

    Item Description Qty. Driver airbag module (DAB) Hexagon flange bolt Airbag wiring harness assembly Airbag controller Passenger airbag module (PAB) Front seat side airbag (right) Hexagon flange bolt Side impact sensor Tapping screw Front seat side airbag (left) CS35 2013.04...

  • Page 10: Symptom Diagnosis And Testing

    Digital Multimeter • Shake the connector in the vertical and horizontal directions gently. Changan Auto Special Diagnostic Tool • Shake the wiring harnesses in the vertical Inspection and Verification and horizontal directions gently.

  • Page 11: Symptom Chart

    • SDM control module • Fuse and circuit Refer to: Airbag Indicator Always ON Diagnosis (4.2.1 • Instrument The airbag indicator is Supplemental Restraint Sys- always on tem, Symptom Diagnosis and • SDM control module Testing). • Battery CS35 2013.04...

  • Page 12: Abnormal Airbag Indicator Diagnosis

    System, Symptom Diagnosis Testing). 3. Clear the historical DTC of the supplemental restraint system A.Connect the Changan Automobile special diagnostic tool. B.Turn the ignition switch to "ON" and read and clear the historical DTC of the supplemental restraint system. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 13 4.2.1-9 Test Conditions Details/Results/Solutions 4. Read the DTC of the supplemental restraint system A.Connect the Changan Automobile special diagnostic tool. B.Turn the ignition switch to "ON" and read the DTC of the supplemental restraint system on the special diagnosis tool.
  • Page 14 7. Replace the airbag control module A.Turn the ignition switch to position "LOCK" and disconnect the battery negative cable. B.Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 Supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 15: Airbag Indicator Always On Diagnosis

    Standard Voltage Value: 11 ~ 16 V Is the battery voltage normal? Go to step 3. Inspect and repair the battery performance. Refer to: Battery Charing Voltage Too Low or Too High (3.1.10 Charging System, Symptom Diagnosis and Testing). CS35 2013.04...
  • Page 16 4.2.1-12 Test Conditions Details/Results/Solutions 3. Read the DTC of the supplemental restraint system A.Connect the Changan Automobile special diagnostic tool. B.Turn the ignition switch to "ON" and read the DTC of the supplemental restraint system on the special diagnosis tool.
  • Page 17 6. Replace the Instrument A.Turn the ignition switch to position "LOCK" and disconnect the battery negative cable. B.Replace the Instrument. Refer to: Instrument (4.3.2 Instrument, Removal and Installation). Is the system normal? Confirm the maintenance is finished. Go to step 7. CS35 2013.04...
  • Page 18 9. Replace the airbag control module A.Turn the ignition switch to position "LOCK" and disconnect the battery negative cable. B.Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 Supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 19: Dtc Diagnosis And Testing

    0.5 GN/BU Passenger side airbag power signal P26-15 P26-16 0.5 BK G105 ground line P26-17 0.3 BN Fault alarm indication signal P26-18 0.5 RD Driver side impact sensor power signal P26-19 0.5 RD Driver side impact sensor ground signal CS35 2013.04...

  • Page 20: Diagnostic Trouble Code (Dtc) Type

    • Driver side peripheral acceleration sensor performance B0077 fault • Wrong connection or initialization fault of the driver side B0079 peripheral acceleration sensor • Defect or signal reliability fault of the driver side periph- B0080 eral acceleration sensor CS35 2013.04...
  • Page 21 • Passenger airbag resistance too low B0030 • Passenger airbag short circuit to ground or ground B0032 • Passenger airbag short circuit to power B1022 • Driver air curtain open circuit (reserved) B1023 • Driver air curtain resistance too low (reserved) CS35 2013.04...
  • Page 22 • Side airbag ignited • Airbag controller reaches the max limit and can't be used B0052 any more. B0049 • Impact output short circuit to power supply B0048 • Impact output short circuit to ground or open circuit CS35 2013.04...

  • Page 23: Data Stream List

    Wrong configuration - driver curtain airbag existence Wrong configuration - passenger curtain airbag existence Wrong configuration - driver side peripheral acceleration sensor exis- tence Wrong configuration - passenger side peripheral acceleration sensor existence Wrong configuration - fault lamp Wrong configuration - collision output CS35 2013.04...
  • Page 24 Ignition circuit failure makes the fault lamp on Accident counter Diagnostic tool is used to close the passenger front airbag Manually close the passenger front airbag Bosch development mode Customer development mode Customer production mode Customer after-sales mode Pre-ignited mode Post-ignited mode CS35 2013.04...
  • Page 25 Data Flow Item Ignition Switch ON Bosch production date June 28, 2012 EEPROM version 132900 Bosch part number code KJ095 Product serial number 80001113 Customer project code 02D9 Current operating time count 421512 On-off count Bosch software number CS35 2013.04...

  • Page 26: Dtc Diagnosis Procedure Index

    • System fault lamp short circuit to ground or open Refer to: DTC B0671, B0673 B0671 circuit B0673 • System fault lamp short circuit to power supply B1000 • ECU internal fault Refer to: DTC B1000, B1001 B1001 • Configuration fault CS35 2013.04...

  • Page 27: B0051

    B0048 cuit • Front airbag and front seat belt pretensioner Refer to: DTC B0051, B0034, B0051 ignited B0052 B0034 • Side airbag ignited • The airbag controller reaches the max limit and B0052 can't be used any more CS35 2013.04...

  • Page 28: Dtc B0064, B0065, B0066, B0067

    Equippment Conditions (Con- Test Tactics Fault Component Code trol Tactics) B0065 • Wiring harness B0064 • Driver side pretensioner Hardware circuit Carry out the self-test. A hardware B0066 circuit fault is detected. inspection seat belt B0067 • Airbag control module CS35 2013.04...
  • Page 29 4.2.1-25 3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose supplemental restraint system. B.Read and clear the historical DTC. C.Frequently turn on the ignition switch to perform the airbag self-test.
  • Page 30 P26 and the reliable ground, and the voltage between the terminal 8 of wiring harness connector P26 and the reliable ground. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 5. Replace the airbag wiring harness with fault. CS35 2013.04...
  • Page 31 E.Connect the diagnostic tool and clear the historical DTCs. F.Read the DTC again. Is the system normal? Confirm the maintenance is finished. Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 32: Dtc B0026, B0022, B0024, B0025

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 33 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Inspect the wiring harness connector of the airbag control module and clean it. Is the system normal? Confirm the maintenance is finished. Go to step 5. CS35 2013.04...
  • Page 34 WARNING: Do not measure the resistance value of the airbag inflation module with a multimeter. A special diagnostic tool shall be used for malfunction detection. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 6. Replace the wiring harness. CS35 2013.04...
  • Page 35 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 Supplemental Restraint System, Removal and Installation). Confirm the maintenance is finished. CS35 2013.04...

  • Page 36: Dtc B1328, B1327

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 37 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Inspect the airbag control module power supply wiring harness. Replace the airbag wiring harness with fault. Verify the system is normal. CS35 2013.04...

  • Page 38: Dtc B0017, B0016, B0018, B0019

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 39 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Inspect the wiring harness connector of the airbag control module and clean it. Is the system normal? Confirm the maintenance is finished. Go to step 4. CS35 2013.04...
  • Page 40 A special diagnostic tool shall be used for malfunction detection. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 5. Replace the airbag wiring harness with fault. CS35 2013.04...
  • Page 41 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 Supplemental Restraint System, Removal and Installation). Confirm the maintenance is finished. CS35 2013.04...

  • Page 42: Dtc B0057, B0058, B0059, B0060

    Test Tactics Fault Component Code Tactics) B0058 • Wiring harness B0057 • Pretensioner seat belt at Hardware circuit Carry out the self-test. A hardware cir- B0059 inspection cuit fault is detected. passenger's side B0060 • Airbag control module CS35 2013.04...
  • Page 43 3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Frequently turn on the ignition switch to perform the airbag self-test.
  • Page 44 P26 and the reliable ground, between the terminal 10 of wiring harness connector P26 and the reliable ground. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 5. Replace the airbag wiring harness with fault. CS35 2013.04...
  • Page 45 E.Connect the diagnostic tool and clear the historical DTCs. F.Read the DTC again. Is the system normal? Confirm the maintenance is finished. Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 46: Dtc B0671, B0673

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 47 Go to step 4. Inspect and repair the open or short circuit fault between the terminal 5 of the Instrument wiring har- ness connector P11 and the terminal 17 of the air- bag control module wiring harness connector P26. CS35 2013.04...
  • Page 48 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 49: Dtc B1000, B1001

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 50 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 B.Replace the airbag control module. Refer to: Airbag Control Module (4.2.1 Supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 51: Dtc B0041, B0040, B0045, B0046

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 52 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 B.Inspect the wiring harness connector of the airbag control module and clean it. Is the system normal? Confirm the maintenance is finished. Go to step 4. CS35 2013.04...
  • Page 53 A special diagnostic tool shall be used for malfunction detection. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 5. Replace the airbag wiring harness with fault. CS35 2013.04...
  • Page 54 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Replace the driver side airbag. Refer to: Side Airbag (4.2.1 Supplemental Restraint System, Removal and Installa- tion). Verify the system is normal. CS35 2013.04...

  • Page 55: Dtc B0028, B0029, B0030, B0032

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 56 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 B.Inspect the wiring harness connector of the airbag control module and clean it. Is the system normal? Confirm the maintenance is finished. Go to step 4. CS35 2013.04...
  • Page 57 A special diagnostic tool shall be used for malfunction detection. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 5. Replace the airbag wiring harness with fault. CS35 2013.04...

  • Page 58: Dtc B0049, B0048

    2. Possible Sources Fault Equipment Conditions (Control Test Tactics Fault Component Code Tactics) B0049 • Control module hardware inspec- • Wiring harness tion Hardware circuit fault detected B0048 • SDM • Hardware circuit inspection CS35 2013.04...
  • Page 59 3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 60 A special diagnostic tool shall be used for malfunction detection. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 5. Replace the airbag wiring harness with fault. CS35 2013.04...
  • Page 61 A special diagnostic tool shall be used for malfunction detection. Standard Voltage Value: 0 V Is the circuit normal？ Go to step 6. Replace the airbag wiring harness with fault. CS35 2013.04...
  • Page 62 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 B.Replace the engine control module. Refer to: Engine Control Module (3.1.13 Electronic Control System ME7， Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 63: Dtc B0051, B0034, B0052

    3. Diagnosis Procedures Test Conditions Details/Results/Solutions 1. Inspect the trouble code A.Connect the Changan special diagnostic tool and diagnose the supplemental restraint system. B.Read and clear the historical DTC. C.Start the motor and run it for 5 min. Meanwhile turn the steering wheel all the way to the left and right several times.
  • Page 64 A.Turn the ignition switch to the position "LOCK" and disconnect the battery negative cable for at least 60 s. B.Airbag control module. Refer to: Airbag Control Module (4.2.1 Supplemental Restraint System, Removal and Installation). Verify the system is normal. CS35 2013.04...

  • Page 65: Removal And Installation

    Refer to: Battery Inspection (3.1.10 Charg- ing System, General Procedures). 2. Remove the left side retaining bolt on the steering column upper decorative cover. A4201048 3. Remove the right side retaining bolt on the steering column upper decorative cover. A4201049 CS35 2013.04...
  • Page 66 7. Rotate it for 180° anticlockwise, repeat the operation in the step 6. 8. Continue to rotate for 90° anticlockwise, repeat step 6, and detach the driver airbag from the steering wheel. A4201032 9. Disconnect the wiring harness connector of the driver airbag. A4201019 CS35 2013.04...
  • Page 67 10. Remove the steering wheel. 1. Disconnect the wiring harness connector of the horn and the steering wheel audio control switch. 2. Remove the steering wheel retaining nut. Torque: 33 Nm A4201023 Installation 1. To install, reverse the removal procedure. CS35 2013.04...

  • Page 68: Clock Spring

    Refer to: Driver Airbag and Steering Wheel (4.2.1 Supplemental Restraint System, Removal and Installation). 3. Remove the clock spring retaining screw. A4201039 4. Disconnect the clock spring wiring harness connector and take out the clock spring. A4201040 CS35 2013.04...

  • Page 69: Side Airbag

    Refer to: Front Seat (5.1.3 Seat, Removal and Installation). CS35 2013.04...

  • Page 70: Passenger Airbag

    1. Disconnect the battery negative cable. Refer to: Battery Inspection (3.1.10 Charg- ing System, General Procedures). 2. Remove the 4 retaining screws on the upper glove box. A5106013 CS35 2013.04...
  • Page 71 A4201027 5. Remove the passenger airbag and the instrument console inner frame retaining bolts. Torque: 9 Nm A4201033 6. Use a proper tool to remove the passenger airbag upper trim strip on the Instrument. A4201035 CS35 2013.04...
  • Page 72 4.2.1-68 Supplemental Restraint System 4.2.1-68 7. Remove retaining screw passenger airbag upper protecting panel on the Instrument. A4201036 8. Disconnect the passenger wiring harness connector, and remove the airbag. A4201038 Installation 1. To install, reverse the removal procedure. CS35 2013.04...
  • Page 73 Console, Removal and Installation). 3. Remove the retaining bolts of the airbag control module. Torque: 8 Nm A4201029 4. Disconnect the wiring harness connector of the airbag control module. A4201037 Installation 1. To install, reverse the removal procedure. CS35 2013.04...
  • Page 74 WARNING: The product bar code on all the airbag system parts is an only permanent identification and is not allowed to tear up or pollute during the removal so that the manufacturers of the parts conduct quality tracking and performance check. CS35 2013.04...
  • Page 75 Refer to: B-pillar Trim (5.1.9 Interior Trim and Ornamentation, Removal and Installa- tion). 4. Remove the impact sensor. 1. Disconnect the wiring harness connector of the impact sensor. 2. Remove the impact sensor retaining bolt. A4201030 Installation 1. To install, reverse the removal procedure. CS35 2013.04...

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