Chery Tiggo 5 (T21). Manual — part 81
06–
166
06
b. Check A/C pressure sensor connector.
a. Turn ignition switch to ON.
b. Check voltage between A/C pressure sensor connector
terminal and body ground.
a. Turn ignition switch to LOCK.
b. Disconnect ECM connector E-033.
c. Check wire harness between connector terminals.
Check for Open
Check for Short
Repair or replace connector
NG
3
Check A/C pressure sensor power supply voltage
OK
E-041
3
2
1
-
+
V
RT21065060
Multimeter
Connection
Condition
Specified
Condition
E-041 (3) - Body
ground
Ignition switch ON
5 V
Go to step 5
OK
4
Check A/C pressure sensor power supply circuit
NG
E-033
49 50 51
63
64
15
16
31
32
47
48
33 34 35
17 18 19
1 2 3
52 53 54 55 56 57 58 59 60 61 62
36 37 38 39 40 41 42 43 44 45 46
20 21 22 23 24 25 26 27 28 29 30
4 5 6 7 8 9 10 11 12 13 14
E-041
3
2
1
-
+
RT21065061
Multimeter
Connection
Condition
Specified
Condition
E-041 (3) -
E-033 (19)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
E-041 (3) or
E-033 (19) - Body
ground
Always
No continuity
E-041 (3) or
E-033 (19) -
Battery positive
Always
No continuity
06–
167
06
a. Disconnect ECM connector E-033.
b. Check wire harness between A/C pressure sensor
connector terminals and ECM connector terminals.
Check for Open
Check for Short
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.
Repair or replace wire harness or
connector (A/C pressure sensor - ECM)
NG
5
Check A/C pressure sensor signal circuit and ground circuit
OK
E-033
49 50 51
63
64
15
16
31
32
47
48
33 34 35
17 18 19
1 2 3
52 53 54 55 56 57 58 59 60 61 62
36 37 38 39 40 41 42 43 44 45 46
20 21 22 23 24 25 26 27 28 29 30
4 5 6 7 8 9 10 11 12 13 14
E-041
3
2
1
-
+
RT21065062
Multimeter
Connection
Condition
Specified
Condition
E-041 (2) -
E-033 (24)
Always
Continuity
E-041 (1) -
E-033 (47)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
E-041 (2) or
E-033 (24) - Body
ground
Always
No continuity
E-041 (2) or
E-033 (24) -
Battery positive
Always
No continuity
E-041 (1) or
E-033 (47) - Body
ground
Always
No continuity
E-041 (1) or
E-033 (47) -
Battery positive
Always
No continuity
Repair or replace wire harness or
connector (A/C pressure sensor - ECM)
NG
6
Replace A/C pressure sensor, and check for DTCs
OK
Replace ECM
NG
06–
168
06
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
OK
06–
169
06
SQR484F ENGINE MANAGEMENT SYSTEM
DTC
U0101-87 Lost Communication With TCM (CVT only)
ET21065019
29 30 31 32 33 34 35 36 37 38 39 40 41 42
1 2 3 4 5 6 7 8 9 10 11 12 13 14
43 44 45 46 47 48 49 50 51 52 53 54 55 56
15 16 17 18 19 20 21 22 23 24 25 26 27 28
TCU
2-1
2-17
41
CAN H1
CAN L1
CAN H1
CAN L1
42
OB
O
OB
O
E-030
B
E-030
ECM-2
ECM-1
E-033
E-035
2-63
2-64
1-47
Br
Br
B
B
Br
B
1-48
E-026
E-028
37 38 39 40 41 42 43 44 45 46
47
48
25 26 27 28 29 30 31 32 33 34
35
36
13 14 15 16 17 18 19 20 21 22
23
24
1
2
3
4
5
6
7
8
9 10
11
12
B
E-033
B
E-035
49 50 51
63
64
15
16
31
32
47
48
33 34 35
17 18 19
1
2
3
52 53 54 55 56 57 58 59 60 61 62
36 37 38 39 40 41 42 43 44 45 46
20 21 22 23 24 25 26 27 28 29 30
4
5
6
7
8
9 10 11 12 13 14
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