Suzuki GRAND VITARA Service Manual

1A-107 Engine General Information and Diagnosis:
DTC P0137 / P0138: O2 Sensor (HO2S) Circuit Low Voltage / High Voltage (Sensor-2)
S5JB0A1104035
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
4
3
9
RED
GRN
PNK
BLK
C37-47
C37-11
C37-57
6
2
7
10
BLK
BLU
WHT
BLK/RED
GRY/GRN
1
8
5
5V
BLK/WHT
BLK
PNK*GRN
I5JB0A110045-01
1. HO2S heater relay 4. “O2 HTR” fuse 7. Heater 10. To other sensors
2. Shield wire 5. “IG COIL” fuse 8. To A/F sensor heater *: For M16 engine
3. Ignition switch 6. HO2S-2 9. ECM
DTC detecting condition Trouble area
DTC P0137:
HO2S-2 voltage is lower than 0.4 V for more than specified time
continuously while vehicle is driving with high engine load (high speed).
And HO2S-2 max. voltage minus HO2S-2 min. voltage is less than 0.2 V
for specified time continuously.
(2 driving cycle detection logic)
DTC P0138:
HO2S-2 voltage is higher than 0.85 V for more than specified time
continuously while vehicle is driving with high engine load (high speed).
And HO2S-2 max. voltage minus HO2S-2 min. voltage is less than 0.2 V
for specified time continuously.
(2 driving cycle detection logic)
•HO2S-2
• HO2S-2 circuit
• Fuel system
•ECM
• Fuel shortage
• Exhaust system
• Air intake system
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Suzuki GRAND VITARA Specifications

General

Brand	Suzuki
Model	GRAND VITARA
Category	Automobile
Language	English