Chery T21 2014 Service Manual page 213

4
Check air flow meter power supply voltage
a. Disconnect air flow meter connector E-017.
b. Check voltage between air flow meter connector
terminals and body ground.
Multimeter
Condition
Connection
E-017 (4) - Body
ground
Ignition switch ON
E-017 (2) - Body
ground
Go to step 6
OK
5
Check air flow meter power supply circuit
a. Turn ignition switch to LOCK.
b. Disconnect ECM connector
compartment fuse and relay box connector E-023.
c. Check wire harness between connector terminals.
Check for Open
Multimeter
Condition
Connection
E-017 (4) - E-035
(45)
Check for Short
Multimeter
Condition
Connection
E-017 (4) or
E-035 (45) - Body
ground
E-017 (4) or
E-035 (45) -
Battery positive
Chery Automobile Co., Ltd.
Specified
Condition
5 V
11 to 14 V
E-035 and
Specified
Condition
Always Continuity
Specified
Condition
Always No continuity
Always No continuity
06 - SQR484F ENGINE MANAGEMENT SYSTEM
V
+ -
engine
+ -
37 38 39 40 41 42 43 44 45 46
25 26 27 28 29 30 31 32 33 34
13 14 15 16 17 18 19 20 21 22
1 2
1 2 3 4 5
E-017
RT21065014
NG
1 2 3 4 5
E-017
47 48
35 36
23 24
3 4 5 6 7 8 9 10 11 12
E-035
RT21065015
49
06–
06