Engine General Information and Diagnosis: 1A-64
DTC P0030: HO2S Heater Control Circuit (Sensor-1)
S5JB0A1104088
Wiring Diagram
A/F Sensor Description
Refer to “A/F Sensor Description: ”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and warm up to normal operating temperature.
4) Run engine at idle speed for 4 min. or more.
5) Check DTC and pending DTC.
8
Oil control valve check
1) Check oil control valve referring to “Oil Control Valve
Inspection: For M16A Engine with VVT in Section 1D”.
Is it in good condition?
Replace camshaft
timing sprocket.
Replace oil control
valve.
Step
Action
Yes
No
E23
C37
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
4
3
9
PNK
6
2
1
8
5
BLK/WHT
BLK
PNK
*GRN
C37-34
C37-32
C37-37
C37-38
BLK
BLK
BLU
WHT
C37-35
C37-31
WHT
BLK
RED/YEL
RED/BLU
PNK/BLU
BLK/YEL
10
7
11
5 V
5 V
I5JB0A110027-02
1. HO2S heater relay
4. “O2 HTR” fuse
7. Heater
10. Adjusting resistor
2. Shield wire
5. “IG COIL” fuse
8. To HO2S-2 heater
11. Sensor
3. Ignition switch
6. A/F sensor
9. ECM
*: For M16 engine
DTC detecting condition
Trouble area
Impedance of A/F sensor element is higher than or lower than
specified range for more than 200 sec. even though A/F sensor
heater is turned ON for more than specified time with engine
running. (A/F sensor does not activate)
(2 driving cycle detection logic)
• A/F sensor heater circuit
• A/F sensor heater
• ECM
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