Chery T21 2014 Service Manual page 313

4
Check fuel pump relay terminal voltage
a. Turn ignition switch to ON.
b. Measure voltage between terminal of fuel pump relay and
body ground.
Multimeter
Condition
Connection
Fuel pump relay
terminal 1 (engine
compartment fuse
Ignition switch ON
and relay box
side) - Body
ground
Go to step 6
OK
5
Check main relay and fuse EF38
Replace main relay or fuse
NG
Repair or replace engine compartment fuse and relay box or wire harness (engine compartment fuse
and relay box - battery)
6
Check for DTCs
a. Use X-431 3G diagnostic tester to read the ECM DTC.
b. Refer to "DTC Confirmation Procedure".
c. Check if DTC P0627-00, P0628-00 or P0629-00 still exists.
Replace ECM
NG
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
Chery Automobile Co., Ltd.
06 - SQR484F ENGINE MANAGEMENT SYSTEM
V
Specified
+ -
Condition
11 to 14 V
2 1
5
3
06–
06
RT21060280
NG
OK
OK
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