Chery Tiggo 5 (T21). Service manual — part 80
06–
162
06
DTC Confirmation Procedure
Confirm that battery voltage is over 12 V before performing the following procedures.
Turn ignition switch to LOCK.
Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
Turn ignition switch to ON.
Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
Select Read Code.
If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
If DTC is not detected, the malfunction indicated by the DTC is intermittent (
).
Diagnosis Procedure
a. Turn ignition switch to LOCK.
b. Check ECM grounds E-026 and E-028 (
a. Disconnect ECM connector E-033 and E-035.
b. Check if connector is normal.
DTC
P1619-00 ECM Not Programmed (Virgin State)
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
P1619-00
ECM Not Programmed
(Virgin State)
Ignition switch ON
Wire harness or connector
ECM
CAUTION
When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and
component information.
1
Check ECM ground point
Repair or replace ground wire harness or
ground point
NG
2
Check ECM connector
OK
Repair or replace connector
NG
OK
06–
163
06
a. Use X-431 3G diagnostic tester to read the ECM DTC.
b. Refer to "DTC Confirmation Procedure".
c. Check if DTC P1619-00 still exists.
3
Use X-431 3G diagnostic tester to match ECM (
), and check for DTCs
Replace ECM
NG
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
OK
06–
164
06
DTC
P0531-00
A/C Refrigerant Pressure Sensor "A" Circuit Range/
Performance
ET21065018
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
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
2-19 2-24 2-47
A/C
PRESSURE
SENSOR
3
2
1
LG
WL
YL
E-041
B
E-041
3
2
1
06–
165
06
DTC Confirmation Procedure
Confirm that battery voltage is over 12 V before performing the following procedures.
Turn ignition switch to LOCK.
Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
Turn ignition switch to ON.
Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
Start the engine and warm it up to normal operating temperature, and then select Read Code.
If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
If DTC is not detected, the malfunction indicated by the DTC is intermittent (
).
Diagnosis Procedure
a. Turn ignition switch to LOCK.
b. Check ECM grounds E-026 and E-028 (
a. Disconnect A/C pressure sensor connector E-041.
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
P0531-00
A/C Refrigerant
Pressure Sensor "A"
Circuit Range/
Performance
Ignition switch ON
A/C pressure sensor
Wire harness or connector
ECM
CAUTION
When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and
component information.
1
Check ECM ground point
Repair or replace ground wire harness or
ground point
NG
2
Check A/C pressure sensor connector
OK
RT21060290
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