Chery T21 2014 Service Manual page 534

08 - SQR484F FUEL SUPPLY SYSTEM
Electric Fuel Pump Assembly
On-vehicle Inspection
1. Check electric fuel pump assembly fuel level sensor.
a. Using a flat tip screwdriver, pry up electric fuel pump
assembly protective cap, and disconnect electric fuel
pump assembly connector.
b. Using a digital multimeter, measure resistance of fuel
level sensor based on the fuel volume in fuel tank.
Fuel Level
Indicator
E
Low Fuel Warning
08 1/4
1/2
3/4
F
If result is not as specified, replace the fuel level sensor.
2. Check electric fuel pump assembly operation.
a. Using a flat tip screwdriver, pry up electric fuel pump assembly protective cap.
b. Apply battery voltage to terminals 3 and 4. Check if electric fuel pump assembly operates in 10
seconds.
HINT:
 These tests must be finished within 10 seconds to
prevent coils from being burnt.
 Leave electric fuel pump assembly as far as
possible from the battery.
 Always switch voltage on and off on battery side,
rather than electric fuel pump assembly side.
Multimeter Connection
Battery positive (+) - Terminal 3
Battery negative (-) - Terminal 4
If electric fuel pump assembly does not operate,
replace it.
14
08–
Multimeter
Specification (Ω)
Connection
Terminal 1 -
283 ± 4
Terminal 2
Terminal 1 -
189 ± 4
Terminal 2
Terminal 1 -
137 ± 5
Terminal 2
Terminal 1 -
89 ± 4
Terminal 2
Terminal 1 -
62 ± 3
Terminal 2
Terminal 1 -
40 ± 3
Terminal 2
Specification
Fuel pump
operates
+
Chery Automobile Co., Ltd.
+ -
4
3 2 1
RT21080061
-
4
3 2 1
RT21080062