CHERY TIGGO 2009 Service Repair Manual

Downloaded from www.Manualslib.com manuals search engine U050F - EEPROM Checksum Error
On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION POSSIBLE CAUSE
U050F EEPROM checksum error Instrument Cluster (IC)
detected an internal failure •
Instrument Cluster (IC)
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 most current software available.
• Turn ignition switch on and record and erase DTC.
• Start engine and warm it up to the normal operating temperature.
• Select view DTC and data stream.
• If the DTC is detected, the 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 15 Body & Accessories for more information).
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
DIAGNOSIS & TESTING
15
15–77Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK DTC
• Perform DTC confirmation procedure.
Is DTC U050F present?
Ye s>>Go to the next step.
No
>>The conditions that caused this DTC to set are not present at this time (See Intermittent DTC Trouble-
shooting in Section 15 Body & Accessories for more information).
2.CHECK INSTRUMENT CLUSTER (IC) POWER SUPPLY AND GROUND
• Check the Instrument Cluster (IC) supply voltage circuit and ground circuits for open, high resistance or short
circuits.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair the circuit for an open or short in harness and connectors.
3.CHECK DTC
• With the X-431 scan tool, read Instrument Cluster (IC) DTCs.
• Refer to DTC Confirmation Procedure.
Is DTC U050F present?
Ye s>>The system is now operating properly.
Reassemble the vehicle and verify the customers complaint is repaired.
No
>>Replace Instrument Cluster (IC).
DIAGNOSIS & TESTING
15–78Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine U0303 - Fuel Sensor Open Circuit Or Shorted To Supply
U0303 - Fuel Sensor Short To Ground
DIAGNOSIS & TESTING
LTSMW150040T
15
15–79Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine On Board Diagnostic Logic
•Self-diagnosis detection logic.
DTC NO. DTC DEFINITION DTC DETECTION
CONDITION DTC SET
CONDITION POSSIBLE CAUSE
U0303 Fuel sensor open
circuit or shorted to supply
Turn ignition switchon The Instrument
Cluster (IC) detects the fuel sensor
shorted to ground condition. •
Fuel level sensor
• Harness or
connectors (The
sensor circuit is open
or short to power)
• Instrument cluster
U0303 Fuel sensor shorted
to ground The Instrument
Cluster (IC) detects the fuel sensorcircuit open or
shorted to voltage condition. •
Fuel level sensor
• Harness or
connectors (The
sensor circuit is
shorted to ground)
• Instrument cluster
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 most current software available.
• Turn ignition switch on and record and erase DTC.
• Start engine and warm it up to the normal operating temperature.
• Select view DTC and data stream.
• If the DTC is detected, the 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 15 Body & Accessories for more information).
NOTE :
Before performing any DTC diagnostic procedures, verify the IC power and ground circuits are properly connected.
NOTE :
While performing electrical diagnosis & testing, always refer to the electrical schematics for specific circuit
and component information.
DIAGNOSIS & TESTING
15–80Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Diagnostic Procedure
1.CHECK DTC
• Turn ignition switch on, with the scan tool, view and erase stored DTCs in the IC.
• Turn ignition switch off, and wait a few seconds, then turn ignition switch on.
• With the scan tool, view DTCs in the IC.
Is DTC U0303 present?
Ye s>>Go to the next step.
No
>>The conditions that caused this DTC to set are not present at this time (See Intermittent DTC Trouble-
shooting in Section 15 Body & Accessories for more information).
2.CHECK FUEL LEVEL SENSOR ELECTRICAL CONNECTOR
• Turn ignition switch off.
• Disconnect the fuel level sensor and fuel pump
assembly electrical connector (3).
• Inspect the electrical connector for damage.
Is the electrical connector OK?
Ye s>>Go to the next step.
No
>>Repair or replace the electrical connector
as necessary.
3.CHECK FUEL LEVEL SENSOR REFERENCE VOLTAGE
• Turn ignition switch on.
• Check the fuel level sensor reference voltage
between the fuel level sensor connector B-032, ter-
minal 1 and ground.
• The voltage (less than 1 V) should exist.
Is there voltage present?
Ye s>>Go to step 5.
No
>>Go to the next step.
DIAGNOSIS & TESTING
LTSM040002
LTSMD150001
15
15–81Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 4.CHECK FUEL LEVEL SENSOR CIRCUIT FOR OPEN OR SHORT
• Turn ignition switch off.
• Disconnect the IC connector.
• Check harness for a short to ground.
FUEL LEVEL SENSOR
TERMINAL GROUND
1
Ground
• Check for continuity between the following terminals:
FUEL LEVEL
SENSOR
TERMINAL IC TERMINAL CONTINUITY
12
1Yes
• Continuity should exist.
• Check the harness for a short to power.
Is the check result normal?
Ye s>>Go to the next step.
No
>>Repair or replace the fuel level sensor supply circuit as necessary.
5.CHECK FUEL LEVEL SENSOR GROUND CIRCUIT
• Using a 12 V test light connected to battery (+), probe fuel level sensor ground circuit.
Does the test light illuminate brightly?
Ye s>>Go to the next step.
No
>>Repair or replace the fuel level sensor ground circuit for an open.
DIAGNOSIS & TESTING
15–82Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine 6.CHECK FUEL LEVEL SENSOR RESISTANCE
• Turn ignition switch off.
• Check fuel level sensor as follows:
FUEL GAUGE POINTER
POSITION TANK (LITERS)SENDER RESISTANCE
(OHM) POINTER TOLERANCE
EMPTY 5283 ±3 °
RESERVE 11189 ±3 °
1/4 16.5 137±3 °
1/2 2889±3 °
3/4 39.5 62±3 °
FULL 5140±3 °
Is the check result normal?
Ye s>>Go to the next step.
No
>>Replace the fuel level sensor.
7.CHECK DTC
• With the X-431 scan tool, read IC DTCs.
• Refer to DTC Confirmation Procedure.
Is the DTC U0303 still present?
Ye s>>Replace the IC.
No
>>The system is now operating properly.
Reassemble the vehicle and verify the customers complaint is repaired.
DIAGNOSIS & TESTING
15
15–83Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine ON-VEHICLE SERVICE
Instrument Cluster
Removal & Installation
1. Disconnect he negative battery cable.
2. Carefully remove the instrument cluster trim panel.
3. Remove the instrument cluster screws (1).(Tighten: Instrument cluster screws to 5 N·m)
4. Disconnect the instrument cluster electrical connector.
5. Remove the instrument cluster.
6. Installation is in the reverse order of removal.
LTSM150085
15–84Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine INTERIOR LAMPS
Description
The interior lamps consist of the following:
•Key Hole Lamp
• Front Room Lamp
• Middle/Rear Courtesy/Dome Lamp
• Front Step Lamp
• Backlight Adjusting Switch
• Instrument Cluster
• Headlamp Aiming Switch
• Heated Seat Switch (LH)
• Heated Seat Switch (RH)
• Air Control Panel
• Front Fog Lamp Switch
• Rear Fog Lamp Switch
• Console Power Socket (Illumination)
• Door Mirror Remote Control Switch
• Main Power Window And Door Lock/Unlock Switch
• Front Power Window Switch (RH)
• Rear Power Window Switch (LH)
• Rear Power Window Switch (RH)
• Audio
Operation
The key hole lamp and front/middle/rear courtesy lamps are controlled by the BCM. Front step lamps are controlled
by the door lock switch. When the door is open, the front step lamp will light up automatically. Other lamps are
controlled by the lighting and turn signal switch.
15
15–85Chery Automobile Co., Ltd.

Downloaded from www.Manualslib.com manuals search engine Electrical Schematics
Interior Lamps (Page 1 of 5)
INTERIOR LAMPS
LTSMW150061T
15–86Chery Automobile Co., Ltd.