Chery Tiggo. Manual — part 417
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?
Yes
>>
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?
Yes
>>
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?
Yes
>>
Go to step 5.
No
>>
Go to the next step.
DIAGNOSIS & TESTING
LTSM040002
LTSMD150001
15
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
1
21
Yes
• Continuity should exist.
• Check the harness for a short to power.
Is the check result normal?
Yes
>>
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?
Yes
>>
Go to the next step.
No
>>
Repair or replace the fuel level sensor ground circuit for an open.
DIAGNOSIS & TESTING
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
5
283
±3 °
RESERVE
11
189
±3 °
1/4
16.5
137
±3 °
1/2
28
89
±3 °
3/4
39.5
62
±3 °
FULL
51
40
±3 °
Is the check result normal?
Yes
>>
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?
Yes
>>
Replace the IC.
No
>>
The system is now operating properly.
Reassemble the vehicle and verify the customers complaint is repaired.
DIAGNOSIS & TESTING
15
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
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