Chery T21 2014 Service Manual page 322

06 - SQR484F ENGINE MANAGEMENT SYSTEM
4
Check wire harness and connector (ECM - engine compartment fuse and relay box)
a. Disconnect fuse and relay box connectors E-069 and 
E-076.
b. Disconnect ECM connector E-033.
c. Check wire harness between connector terminals.
Check for Open
Multimeter Connection
E-033 (5) - E-069 (F14)
Check for Short
06
Multimeter Connection
E-033 (5) or E-069 (F14) -
Body ground
E-033 (5) or E-069 (F14) -
Battery positive
Check for Open
Multimeter Connection
E-033 (15) - E-076 (A6)
E-033 (16) - E-076 (A6)
Check for Short
Multimeter Connection
E-033 (15, 16) or E-076 (A6) -
Body ground
E-033 (15, 16) or E-076 (A6) -
Battery positive
Repair or replace wire harness or
NG
connector
5
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 P0688-00 still exists.
Replace ECM
NG
158
06–
+
Specified
Condition
Continuity
Specified
Condition
No continuity
No continuity
Specified
Condition
Continuity
+
Continuity
Specified
Condition
No continuity
No continuity
Chery Automobile Co., Ltd.
F12 F11 F10 F9 F8 F7 F6 F5
F24 F23 F22 F21 F20 F19 F18 F17
-
E-069
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
A1 A2 A3 A4 A5
A6 A7 A8 A9 A10
-
E-076
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
F4 F3 F2 F1
F16 F15 F14 F13
63 64
47 48
31 32
15 16
RT21065058
63 64
47 48
31 32
15 16
RT21065059
OK