Engine General Information and Diagnosis: 1A-104
DTC P0131 / P0132 / P0134: O2 Sensor (HO2S) Circuit Low Voltage / High Voltage / No Activity
Detected (Sensor-1)
S5JB0A1104032
Wiring Diagram
A/F Sensor Description
Refer to “A/F Sensor Description: ”.
DTC Detecting Condition and Trouble Area
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
I5JB0A110044-02
1. HO2 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
DTC P0131:
A/F sensor (LF+) terminal voltage is lower than specified range or A/F sensor
output current is lower than specification.
(2 driving cycle detection logic)
DTC P0132:
A/F sensor (LF+) terminal voltage is higher than specified range or A/F sensor
output current is more than specification.
(2 driving cycle detection logic)
DTC P0134:
Impedance of A/F sensor element is higher than specification for more than
160 sec even though A/F sensor heater is turned ON for more than specified
time with engine running. (A/F sensor or sensor circuit open)
(2 driving cycle detection logic)
• A/F sensor circuit
• A/F sensor
• ECM
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