Chery T21 2014 Service Manual page 335

3
Check CAN line
a. Check CAN line.
Check for Open
Multimeter Connection
E-033 (1) - E-030 (41)
E-033 (17) - E-030 (42)
Check for Short
Multimeter Connection
E-033 (1) or E-030 (41) - Body ground
E-033 (1) or E-030 (41) - Battery
positive
E-033 (17) or E-030 (42) - Body
ground
E-033 (17) or E-030 (42)- Battery
positive
Repair or replace CAN line
NG
4
Replace ECM, 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 U0101-87 still exists.
Replace TCU
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
Specified
Condition
+
Continuity
Continuity
Specified
Condition
No continuity
No continuity
No continuity
No continuity
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
-
E-030
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
63 64
47 48
31 32
06
15 16
RT21065063
OK
OK
171
06–