Chery Tiggo. Manual — part 394
Diagnostic Procedure
1.
CHECK DTC
• Perform the DTC confirmation procedure.
Is DTC B1620 present?
Yes
>>
Go to the next step.
No
>>
The condition that caused this DTC to set is currently not present (See Diagnostic Help and Intermit-
tent DTC Troubleshooting in Section 14 Restraints for more information).
2.
CHECK GROUND CONNECTION
• Turn ignition switch off.
• Disconnect the negative battery cable.
• Loosen and retighten ground screws on the body (See Ground Inspection in Section 14 Restraints for more
information).
• Inspect the ground connection C-201 mounting position (See Vehicle Wiring Harness Layout - Main Harness in
Section 16 Wiring).
Is the ground connection OK?
Yes
>>
Go to the next step.
No
>>
Repair or replace ground connection.
3.
CHECK RESTRAINTS CONTROL MODULE (RCM) ELECTRICAL CONNECTOR
• Disconnect the Restraints Control Module (RCM)
electrical connector (1).
• Inspect the electrical connector for damage.
Is the electrical connector OK?
Yes
>>
Go to the next step.
No
>>
Repair or replace the electrical connector
as necessary.
DIAGNOSIS & TESTING
LTSM140006
4.
CHECK RESTRAINTS CONTROL MODULE (RCM) POWER SUPPLY
• Turn ignition switch on.
• Check RCM power supply between terminal 5 and
terminal 6 in the RCM electrical connector J-001
terminal side.
Is the voltage less than 9 V?
Yes
>>
Go to step 5.
No
>>
Replace the RCM.
5.
CHECK DTC
• With the X-431 scan tool, read RCM DTCs.
• Refer to ⬙DTC Confirmation Procedure⬙.
Is DTC B1620 still present?
Yes
>>
Replace the RCM.
No
>>
The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
DIAGNOSIS & TESTING
LTSMD140001
14
ON-VEHICLE SERVICE
Airbag System Disarming Procedure
Description
WARNING!
The steering column contains the driver’s airbag. The airbag system is a sensitive, complex electro-mechanical
unit. Before attempting to diagnose, remove or install the airbag system components, you must first disconnect
and isolate the negative battery (ground) cable. Then wait two minutes for the system capacitor to discharge.
Failure to do so could result in accidental deployment of the airbag and possible personal injury. The fasteners,
screws, and bolts, originally used for the airbag components, have special coatings and are specifically
designed for the airbag system. They must never be replaced with any substitutes. Anytime a new fastener is
needed, replace with the correct fasteners provided in the service package or fasteners listed in the parts books.
1. Turn the ignition off.
2. Disconnect and isolate the negative battery cable.
3. Wait two minutes for the system capacitor to discharge.
4. The airbag system can now be serviced safely.
Driver Side Airbag
Removal & Installation
1. Turn the ignition off.
2. Disconnect the negative battery cable.
WARNING!
Wait two minutes for the airbag system reserve capacitor to discharge before beginning any airbag system or
component service. Failure to do so may result in accidental airbag development, serious or fatal injury (See
Airbag System Disarming Procedure in Section 14 Restraints).
3. Remove the two driver side airbag retaining bolts (1).
(Tighten: Driver side airbag retaining bolts to 10
N·m)
4. Remove the driver side airbag and disconnect the airbag squib electrical connector.
5. Installation is in the reverse order of removal.
LTSM140001
Front Passenger Side Airbag
Removal & Installation
1. Turn the ignition off.
2. Disconnect the negative battery cable.
WARNING!
Wait two minutes for the airbag system reserve capacitor to discharge before beginning any airbag system or
component service. Failure to do so may result in accidental airbag development, serious or fatal injury (See
Airbag System Disarming Procedure in Section 14 Restraints).
3. Remove the two glove box mounting bolts (1).
ON-VEHICLE SERVICE
LTSM150086
14
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