Chery Tiggo 5 (T21). Manual — part 77
06–
150
06
DTC
P0645-00 A/C Clutch Relay Circuit
DTC
P0646-00 A/C Clutch Relay Control Circuit Low
DTC
P0647-00 A/C Clutch Relay Control Circuit High
06–
151
06
ET21065017
BATTERY
ECM
MAIN
RELAY
10A
EF19
10A
EF17
10A
EF40
A2
F14
2-20
RL
A4
2-35
L
2-5
Br
A6
2-15
2-16
RR
R
86
87
85
30
ENGINE
COMPARTMENT
FUSE AND
RELAY BOX
IGNITION SWITCH
ON OR START
A1
A2
A3
A4
A5
A6
A7
A8 A9 A10
F12
F24
F11
F23
F10
F22
F9
F21
F8
F20
F7
F19
F6
F18
F5
F17
F4
F16
F3
F15
F2
F14
F1
F13
Gr
E-076
W
E-069
E-076
E-069
B
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
ECM-2
E-033
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-035
ECM-1
E-035
1-47
Br
Br
1-48
E-028
2-63
B
B
2-64
E-026
2
5
1
3
E-023
F1
C1
A/C
COMPRE-
SSOR
CLUTCH
RELAY
EF10
10A
A/C
COMPRESSOR
BR
2
1
E-002
E-019
LG
MT
CVT
2-42
2-58
2
1
C1
C2
C3 C4
C5
C6
C7
C8 C9 C10
L
E-023
B
E-002
06–
152
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 (
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
P0645-00
A/C Clutch Relay
Circuit
Ignition switch ON
Engine running
A/C compressor relay
Wire harness or connector
ECM
P0646-00
A/C Clutch Relay
Control Circuit Low
P0647-00
A/C Clutch Relay
Control Circuit High
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
OK
06–
153
06
a. Unplug A/C compressor relay from engine compartment
fuse and relay box.
b. Check A/C compressor relay terminals.
a. Disconnect engine compartment fuse and relay box
connector E-069.
b. Disconnect ECM connector E-033.
c. Check wire harness between ECM connector terminals
and engine compartment fuse and relay box connector
terminals.
Check for Open
2
Check A/C compressor relay
-
+
2
1
5
3
1
2
3
5
RT21060270
Multimeter
Connection
Specified Condition
3 - 5
No continuity
3 - 5
Continuity
(when battery voltage is applied
between terminals 1 and 2)
Replace A/C compressor relay
NG
3
Check A/C compressor relay control circuit
OK
E-033
E-069
F12
F24
F11
F23
F10
F22
F9
F21
F8
F20
F7
F19
F6
F18
F5
F17
F4
F16
F3
F15
F2
F14
F1
F13
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
-
+
RT21065057
Multimeter
Connection
Condition
Specified
Condition
E-033 (42) (MT)
or E-033 (58)
(CVT) - E-069
(F1)
Always
Continuity
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст