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DTC P0133: Heated Oxygen Sensor (HO2S) Circuit Slow Response (Sensor-1)
Wiring Diagram
DTC Detecting Condition and Possible Cause
DTC detecting condition
• When running at specified idle speed after engine warmed up
and running at specified vehicle speed, response time (time
to change from lean to rich or from rich to lean) of HO2S-1
output voltage is about 1 sec. at minimum or average time of
1 cycle is 5 sec. at minimum.
*2 driving cycle detection logic, Monitoring once / 1 driving
DTC Confirmation Procedure
WARNING
!
• When performing a road test, select a
place where there is no traffic or
possibility of a traffic accident and very
careful during testing to avoid occurrence
of an accident.
• Road test should be carried out with 2
persons, a driver and tester, on a level
road.
BLU
WHT
C41 (31P)
9
8
7
6
5
4
3
2
1
21
20
19
18
17
16
15
14
13
12
11
10
31
30
29
28 27
26
25
24
23
22
1. From other sensors
Engine General Information and Diagnosis:
WHT
C41-13
ORN
ORN
1
C41-10
G04 (24P)
7
6
5
4
3
2
1
6
5
16
15
14
13 12
11
10
9
8
12
11
24
23
22
21
20
19
18
17
17
16
• Heated oxygen sensor-1 malfunction
IYSY01111041-01
NOTE
Check to make sure that the following
conditions are satisfied when using this DTC
confirmation procedure.
• Altitude (barometric pressure): 2400 m,
8000 ft or less (560 mmHg, 75 kPa or more)
• Ambient temp.: –10 °C, 14 °F or higher
• Intake air temp.: 70 °C, 158 °F or lower
ECM
G03 (17P)
4
3
2
1
10
9
8
7
15
14
13
Possible cause
1A-58
S3RH0A1104030
I3RH0A110015-01
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