Chery Tiggo 5 (T21). Manual — part 51
06–
46
06
ET21065004
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
10A
EF27
RL
LR
LG
LG
LR
LY
LG
LG
LR
C9
AIR FLOW METER
1-38
1-21
1-27
1-45
3
1
2
4
5
16
23
18
17
E-007
E-038
E-017
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
31
35
39
40
41
42
32
33
36
37
38 34
27
28
29
30
C1
C2
C3 C4
C5
C6
C7
C8 C9 C10
L
E-023
E-023
B
E-007
1
2
3
4 5
B
E-017
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
06–
47
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 (
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
P0101-00
Mass or Volume Air
Flow Circ. Range/
Performance
Ignition switch ON
Engine running
Air flow meter
Wire harness or connector
ECM
P0102-00
Mass or Volume Air
Flow Circ. Low Input
P0103-00
Mass or Volume Air
Flow Circ. High Input
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–
48
06
a. Disconnect air flow meter connector E-017.
b. Check air flow meter connector.
a. Connect air flow meter connector E-017.
b. Turn ignition switch to ON and start the engine.
c. Using multimeter, measure voltage between connector
E-017 terminal 5 and body ground.
2
Check air flow meter connector
RT21060050
Repair or replace connector
NG
3
Check air flow meter signal voltage
OK
E-017
1
2
3
4 5
-
+
V
RT21060060
Multimeter
Connection
Condition
Specified
Condition
E-017 (5) - Body
ground
Idle
Voltage is about
1.3 V (value
changes with
model)
Rapidly depress
accelerator pedal
Instantaneous
voltage is about
4 V (value
changes with
model)
Go to step 8
OK
NG
06–
49
06
a. Disconnect air flow meter connector E-017.
b. Check voltage between air flow meter connector
terminals and body ground.
a. Turn ignition switch to LOCK.
b. Disconnect ECM connector E-035 and engine
compartment fuse and relay box connector E-023.
c. Check wire harness between connector terminals.
Check for Open
Check for Short
4
Check air flow meter power supply voltage
E-017
1
2
3
4 5
-
+
V
RT21065014
Multimeter
Connection
Condition
Specified
Condition
E-017 (4) - Body
ground
Ignition switch ON
5 V
E-017 (2) - Body
ground
11 to 14 V
Go to step 6
OK
5
Check air flow meter power supply circuit
NG
E-017
E-035
1
2
3
4 5
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
-
+
RT21065015
Multimeter
Connection
Condition
Specified
Condition
E-017 (4) - E-035
(45)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
E-017 (4) or
E-035 (45) - Body
ground
Always
No continuity
E-017 (4) or
E-035 (45) -
Battery positive
Always
No continuity
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