Chery T21 2014 Service Manual page 331

Repair or replace wire harness or
NG
connector (A/C pressure sensor - ECM)
5
Check A/C pressure sensor signal circuit and ground circuit
a. Disconnect ECM connector E-033.
b. Check wire harness between A/C pressure sensor
connector terminals and ECM connector terminals.
Check for Open
Multimeter
Condition
Connection
E-041 (2) -
E-033 (24)
E-041 (1) -
E-033 (47)
Check for Short
Multimeter
Condition
Connection
E-041 (2) or
E-033 (24) - Body
ground
E-041 (2) or
E-033 (24) -
Battery positive
E-041 (1) or
E-033 (47) - Body
ground
E-041 (1) or
E-033 (47) -
Battery positive
Repair or replace wire harness or
NG
connector (A/C pressure sensor - ECM)
6
Replace A/C pressure sensor, and 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 P0531-00 still exists.
Replace ECM
NG
Chery Automobile Co., Ltd.
Specified
Condition
Always Continuity
Always Continuity
Specified
Condition
Always No continuity
Always No continuity
Always No continuity
Always No continuity
06 - SQR484F ENGINE MANAGEMENT SYSTEM
3 2 1
+ -
E-041
49 50 51 52 53 54 55 56 57 58 59 60 61 62
33 34 35 36 37 38 39 40 41 42 43 44 45 46
17 18 19 20 21 22 23 24 25 26 27 28 29 30
1 2 3 4 5 6 7 8 9 10 11 12 13 14
E-033
OK
06
63 64
47 48
31 32
15 16
RT21065062
OK
167
06–