2009 CHERY TIGGO warning

Downloaded from www.Manualslib.com manuals search engine DTCDTC DEFINITION
B1515 Buckle Switch Driver Defect
B1516 Buckle Switch Passenger Defect
B1527 Passenger Airbag Deactivation Switch Open Or Short To Battery
B1528 Passenger Airbag Deactivation Switch Short Or Short To Ground
B1529 Passenger Airbag Deactivation Switch Defect
B1650 Crash Record In 1st Stage Only (Frontal - Replace ECU)
B1657 Crash Record In Belt Pretensioner Only
B1658 Belt Pretensioner 6 Times Deployment
B1620 Internal Fault - Replace ECU
B2501 Warning Lamp Fault - Open
B2503 Warning Lamp Fault - Short To Ground
B2504 Warning Lamp Fault - Short To Battery
B2505 Passenger Airbag Off Warning Lamp Failure
DIAGNOSIS & TESTING
14–10Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine NOTE :
The Restraints Control Module (RCM) ground pin must be connected to the vehicle chassis in the immediate location
of the RCM mounting area.
On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
B1102 Battery Voltage Low Ignition switch: ON Restraints Control
Module (RCM)
detected that the
battery voltage is
excessively low.•
Battery
• Charge system
• Harness is open or
shorted
• RCM
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
• Turn ignition switch off.
• Connect the X-431 scan tool to the Data Link Connector (DLC) - use the latest software available.
• Turn ignition switch on.
• With the scan tool, record and erase stored DTCs in the RCM.
• Turn ignition switch off and wait for a few seconds.
• Turn ignition switch on then select view DTC.
• If the DTC is detected, the DTC condition is current. Go to Diagnostic Procedure - Step 1.
• If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou-
bleshooting in Section 14 Restraints for more information).
Diagnostic Guide Lines
Observe the following guide lines while diagnosing this DTC:
•Troubleshoot any Engine Control Module (ECM) charging/cranking DTCs before proceeding.
• If the warning lamp goes out immediately after the warning lamp flashed for6-7seconds, this indicates that
the system is OK.
• If the warning lamp is on for6-7seconds continuously, then goes out, or the warning lamp is on continuously,
this indicates that there are history DTCs in the system. Use the Scan Tool to erase the DTCs.
• If any other condition occurs, use the Scan Tool to erase the history DTCs first, then check the warning lamp.
If the warning lamp does not go out immediately after the warning lamp flashes for6-7seconds when using
the Scan Tool, erase the history DTCs first.
• In the course of troubleshooting the airbag system, make sure the system power supply is shut off, and wait
two minutes for the system capacitor to discharge.
• The squib circuit connectors integrate a shortingspring (which prevents the airbag from deploying unintention-
ally due to static electricity by shorting the positive wire to the negative wire in the squib circuit when the con-
nectors are disconnected). Therefore, if the airbag electrical connector or spiral cable electrical connector is
damaged or improperly connected, the shorting spring may not be released when the electrical connector is
connected.
• The following tools are required to perform the DTC diagnostic procedure:
X-431 Scan Tool
Airbag Special Load Tool
Digital Multimeter
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
DIAGNOSIS & TESTING
14
14–13Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine NOTE :
The Restraints Control Module (RCM) ground pin must be connected to the vehicle chassis in the immediate location
of the RCM mounting area.
WARNING!
After installing the Restraints Control Module (RCM), make sure all of the connectors are firmly connected, and
the harness is routed properly. The resistance between the RCM housing and the vehicle body should be less
than 100 m.
On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
B1346 Driver Airbag
Resistance Too High or Open (1st stage) Ignition switch: ONRestraints Control
Module (RCM)
detected that the
resistance of RCM
connector terminals
is out of the
specification range. •
Driver airbag
module
• Spiral cable
• Driver airbag
module connector
• Harness is open
between spiral cable
and RCM
• RCM
FIRING LOOP RESISTANCE FOR DRIVER FRONT AIRBAG
COMPONENT MIN.NOMINAL MAX.
Squib (Rs) 1.8 2.0 2.2
Contact Coil (Rc) 0.232 0.29 0.348
Wiring Harness (Rw) 0 0 0.2
Connector Terminals (Rt) 0 0 0.05
Total Resistance 2.032 2.29 2.798
FIRING LOOP FOR DRIVER FRONT AIRBAG
DESCRIPTION
1: Rw - Wiring harness
resistance
2: Rc - Contact coil
resistance
3: Rs + Rt - Squib
resistance + terminal
resistance
4: Squib for Driver - side
front airbag inflator
5: Contact coil
6: Wiring harness
7: HAE 3.5
R(DAB) = Rs + Rt + Rw +
Rc
DIAGNOSIS & TESTING
14
14–17Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine TEST FOR DRIVER FRONT AIRBAG FIRING LOOP DIAGNOSIS
RESISTANCE RANGE DESCRIPTIONFAULT INDICATION
R(DAB) < 1.06  Resistance too low or short Fault definitely detected
1.80 ≤R(DAB) < 4.84  Normal No fault
7.28 ≤R(DAB) Resistance too high Fault definitely detected
1.06 < R(DAB) < 1.80 
4.84 < R(DAB) < 7.28  Tolerance
Fault may or may not be detected
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
•Turn ignition switch off.
• Connect the X-431 scan tool to the Data Link Connector (DLC) - use the latest software available.
• Turn ignition switch on.
• With the scan tool, record and erase stored DTCs in the RCM.
• Turn ignition switch off and wait for a few seconds.
• Turn ignition switch on then select view DTC.
• If the DTC is detected, the DTC condition is current. Go to Diagnostic Procedure - Step 1.
• If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou-
bleshooting in Section 14 Restraints for more information).
Diagnostic Guide Lines
Observe the following guide lines while diagnosing this DTC:
•Troubleshoot any Engine Control Module (ECM) charging/cranking DTCs before proceeding.
• If the warning lamp goes out immediately after the warning lamp flashed for6-7seconds, this indicates that
the system is OK.
• If the warning lamp is on for6-7seconds continuously, then goes out, or the warning lamp is on continuously,
this indicates that there are history DTCs in the system. Use the Scan Tool to erase the DTCs.
• If any other condition occurs, use the Scan Tool to erase the history DTCs first, then check the warning lamp.
If the warning lamp does not go out immediately after the warning lamp flashes for6-7seconds when using
the Scan Tool, erase the history DTCs first.
• In the course of troubleshooting the airbag system, make sure the system power supply is shut off, and wait
two minutes for the system capacitor to discharge.
• The squib circuit connectors integrate a shortingspring (which prevents the airbag from deploying unintention-
ally due to static electricity by shorting the positive wire to the negative wire in the squib circuit when the con-
nectors are disconnected). Therefore, if the airbag electrical connector or spiral cable electrical connector is
damaged or improperly connected, the shorting spring may not be released when the electrical connector is
connected.
• The following tools are required to perform the DTC diagnostic procedure:
X-431 Scan Tool
Airbag Special Load Tool
Digital Multimeter
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
DIAGNOSIS & TESTING
14–18Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK RCM DTC
• Perform the DTC confirmation procedure.
Is DTC B1346 present?
Ye s>>Go to the next step.
No
>>Go to Step 6.
2.CHECK DRIVER AIRBAG MODULE
• Turn ignition switch off.
• Disconnect the negative battery cable.
WARNING!
To avoid serious or fatal injury, turn ignition switch off, disconnect the negative battery cable and wait two min-
utes before proceeding.
•Disconnect the driver airbag module electrical connector J-003.
NOTE :
Check connectors - Clean and repair as necessary.
• Connect the airbag special load tool to the spiral cable side of the vehicle harness (connect the special tool
resistor (2 ohms) in place of the passenger airbag module).
WARNING!
To avoid serious or fatal injury, the driver airbag module should not be checked with a multimeter.
NOTE :
If the airbag special load tool is not available, connect a known good driver airbag module.
•Connect the negative battery cable.
WARNING!
To avoid serious or fatal injury, reconnect the battery, then turn ignition switch on.
•Turn ignition switch on.
• With the scan tool, erase the DTC in the RCM.
• Turn ignition switch off, and wait a few seconds, then turn ignition switch on.
• With the scan tool, read the RCM DTCs
Is DTC B1346 present?
Ye s>>Go to the next step.
No
>>Replace the driver airbag module (See Driver Airbag Module Removal & Installation in Section 14
Restraints).
Reassemble the vehicle and road test to verify the customers complaint is repaired.
3.CHECK DRIVER AIRBAG MODULE CONTROL CIRCUITS
WARNING!
To avoid serious or fatal injury, turn the ignition switch off, disconnect the negative battery cable and wait two
minutes before proceeding.
DIAGNOSIS & TESTING
14
14–19Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4.CHECK DRIVER AIRBAG MODULE CONTROL CIRCUITS
WARNING!
To avoid serious or fatal injury, turn the ignition switch off, disconnect the negative battery cable and wait two
minutes before proceeding.
•Disconnect the driver airbag module connectors.
NOTE :
Check connectors - Clean and repair as necessary.
• Check the harness for continuity of the driver airbag circuit between terminal 1 in the driver airbag module elec-
trical connector J-003 and terminal 1 in the spiral cable electrical connector J-005 terminal side.
• Continuity should exist.
CHECK CONTINUITY
SPIRAL CABLE
TERMINAL DRIVER
AIRBAG
MODULE
TERMINAL CONTINUITY
11Y
es
• Check the harness for continuity of the driver airbag circuit between the driver airbag module electrical connec-
tor terminal 2 and the spiral cable electrical connector terminal 2.
• Continuity should exist.
CHECK CONTINUITY
SPIRAL CABLE
TERMINAL DRIVER
AIRBAG
MODULE
TERMINAL CONTINUITY
22Y
es
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace the spiral cable.
DIAGNOSIS & TESTING
14
14–21Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine NOTE :
The Restraints Control Module (RCM) ground pin must be connected to the vehicle chassis in the immediate location
of the RCM mounting area.
WARNING!
After installing the Restraints Control Module (RCM), make sure all of the connectors are firmly connected, and
the harness is routed properly. The resistance between the RCM housing and the vehicle body should be less
than 100 m.
On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC
DEFINITION DTC
DETECTION CONDITION DTC SET
CONDITION POSSIBLE CAUSE
B1352 Passenger
Airbag
Resistance Too High Or Open (1st Stage) Ignition switch:
ON Restraints
Control Module
(RCM) detected
that the
resistance of
RCM connector
terminals is out
of the
specification
range. •
Passenger airbag module
• Spiral cable
• Passenger airbag module
connector
• Harness is open between
passenger airbag module and RCM
• RCM
FIRING LOOP RESISTANCE FOR PASSENGER FRONT AIRBAG
COMPONENT MIN.NOMINAL MAX.
Squib (Rs) 1.7 2.0 2.3
Wiring Harness (Rw) 0 0 0.2
Connector Terminals (Rt) 0 0 0.05
Total Resistance 1.7 2.0 2.55
TEST FOR PASSENGER FRONT AIRBAG FIRING LOOP DIAGNOSIS
RESISTANCE RANGE: R(DAB) = Rs + Rt + Rw DESCRIPTION
FAULT INDICATION
R(DAB) < 0.4  Resistance too low or short to GND Fault definitely detected
1.60 ≤R(DAB) < 4.84  Normal No fault
7.28 ≤R(DAB) Resistance too high Fault definitely detected
0.4 < R(DAB) < 1.60 
4.84 < R(DAB) < 7.28  Tolerance
Fault may or may not be detected
DIAGNOSIS & TESTING
14–24Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine FIRING LOOP FOR PASSENGER FRONT AIRBAG
DESCRIPTION
1: Rw - Wiring harness resistance
2: Rc - Contact coil resistance
3: Rs + Rt - Squib resistance + terminal resistance
4: Squib for passenger - side front airbag inflator
5: Contact coil
6: Wiring harness
7: HAE 3.5
R(DAB) = Rs + Rt + Rw
DTC Confirmation Procedure:
Before performing the following procedure, confirm that battery voltage is more than 12 V.
• Turn ignition switch off.
• Connect the X-431 scan tool to the Data Link Connector (DLC) - use the latest software available.
• Turn ignition switch on.
• With the scan tool, record and erase stored DTCs in the RCM.
• Turn ignition switch off and wait for a few seconds.
• Turn ignition switch on then select view DTC.
• If the DTC is detected, the DTC condition is current. Go to Diagnostic Procedure - Step 1.
• If the DTC is not detected, the DTC condition is intermittent (See Diagnostic Help and Intermittent DTC Trou-
bleshooting in Section 14 Restraints for more information).
Diagnostic Guide Lines
Observe the following guide lines while diagnosing this DTC:
•Troubleshoot any Engine Control Module (ECM) charging/cranking DTCs before proceeding.
• If the warning lamp goes out immediately after the warning lamp flashed for6-7seconds, this indicates that
the system is OK.
• If the warning lamp is on for6-7seconds continuously, then goes out, or the warning lamp is on continuously,
this indicates that there are history DTCs in the system. Use the Scan Tool to erase the DTCs.
• If any other condition occurs, use the Scan Tool to erase the history DTCs first, then check the warning lamp.
If the warning lamp does not go out immediately after the warning lamp flashes for6-7seconds when using
the Scan Tool, erase the history DTCs first.
• In the course of troubleshooting the airbag system, make sure the system power supply is shut off, and wait
two minutes for the system capacitor to discharge.
• The squib circuit connectors integrate a shortingspring (which prevents the airbag from deploying unintention-
ally due to static electricity by shorting the positive wire to the negative wire in the squib circuit when the con-
nectors are disconnected). Therefore, if the airbag electrical connector or spiral cable electrical connector is
damaged or improperly connected, the shorting spring may not be released when the electrical connector is
connected.
• The following tools are required to perform the DTC diagnostic procedure:
X-431 Scan Tool
Airbag Special Load Tool
Digital Multimeter
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
DIAGNOSIS & TESTING
14
14–25Chery Automobile Co., Ltd.