Chery Tiggo 5 (T21). Service manual — part 47
06–
30
06
10
Check ignition switch assembly (
)
Replace ignition switch assembly
Repair or replace engine compartment fuse and relay box or wire harness (engine compartment fuse
and relay box - ignition switch)
NG
OK
06–
31
06
SQR484F ENGINE MANAGEMENT SYSTEM
DTC
P0030-00 O2 Sensor Heater Contr. Circ. (Bank1 (1) Sensor 1)
DTC
P0031-00 O2 Sensor Heater Contr. Circ. (Bank1 (1) Sensor 1) Low
DTC
P0032-00 O2 Sensor Heater Contr. Circ. (Bank1 (1) Sensor 1) High
DTC
P0053-00 O2 Sensor Heater Resistance (Bank1 (1) Sensor 1)
06–
32
06
ET21065002
BATTERY
ECM
MAIN
RELAY
10A
EF19
10A
EF17
10A
EF40
10A
EF39
A2
F14
2-20
RL
A4
2-35
L
2-5
Br
A6
A7
2-15
2-16
RR
R
R
RL
YL
GL
86
87
85
30
1-40
1-9
3
1-16
1
4
2
UPSTREAM
OXYGEN
SENSOR
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
1
2
3
4
Gr
E-076
W
E-069
E-084
B
E-084
E-076
E-069
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
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
06–
33
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
P0030-00
O2 Sensor Heater
Contr. Circ. (Bank1 (1)
Sensor 1)
Ignition switch ON
Engine running
Upstream oxygen sensor
Wire harness or connector
Fuse
ECM
P0031-00
O2 Sensor Heater
Contr. Circ. (Bank1 (1)
Sensor 1) Low
P0032-00
O2 Sensor Heater
Contr. Circ. (Bank1 (1)
Sensor 1) High
P0053-00
O2 Sensor Heater
Resistance (Bank1 (1)
Sensor 1)
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
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