1A-88 Engine General Information and Diagnosis:
DTC P0131 / P0132: O2 Sensor (HO2S) Circuit Low Voltage / High Voltage (Sensor-1)
S7RS0B1104031
Wiring Diagram
DTC Detecting Condition and Trouble Area
E23 C37
34
1819
5671011
1720
47 46495051
2122
52
1625
9
24
14
29
5557 54 53
59
60 58
2
262728
15
30
56 48
32 31343536374042 39 38
44
45 43 41 33
11213
23
834
1819
5671011
1720
47 46495051
2122
52
1625
9
24
14
29
5557 54 53
59
60 58
2
262728
15
30
56 48
32 31343536374042 39 38
44
45 43 41 33
11213
23
8
BLK/WHT
WHT
11
GRN
3
9
E23-29
WHT
YEL
BLK/WHT
BLK
C37-46
C37-10
C37-57
6
7
10
BLK
BLU
WHT
BLK/RED
4
5
8
12
1
I6RS0C110006-03
1. Main fuse box 4. Junction block assembly 7. Heater 10. To HO2S-2
2. Shield wire 5. “IG COIL” fuse 8. To HO2S-2 heater 11. Individual circuit fuse box No.1
3. Ignition switch 6. HO2S-1 9. ECM 12. “IG ACC” fuse
DTC detecting condition Trouble area
DTC P0131:
Maximum HO2S voltage is less than 0.6 V
(*2 driving cycle detection logic, monitoring once per driving cycle)
DTC P0132:
Minimum HO2S voltage is 0.3 V or more
(*2 driving cycle detection logic, monitoring once per driving cycle)
• HO2S-1 circuit
•HO2S-1
• Fuel system
•ECM
• Fuel shortage
• Exhaust system
• Air intake system