Suzuki Liana RH413, Service Manual

Page: 109 / 1302

Engine General Information and Diagnosis: 1A-58
DTC P0133: Heated Oxygen Sensor (HO2S) Circuit Slow Response (Sensor-1)
S3RH0A1104030
Wiring Diagram
DTC Detecting Condition and Possible Cause
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.
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
WHT BLU
WHT ORN
C41-10
1
C41-13
C41 (31P) G04 (24P) G03 (17P)
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 28 27 29 30 31
5 6 1 2 3 4 5 6 7
11 12
9 10 11 13 12 14 15 16
16 17
1 2
7 8
13 14
3 4
9 10
15 17 18
8
19 20 21 22 23 24
ORN
I3RH0A110015-01
1. From other sensors
DTC detecting condition Possible cause
• 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
• Heated oxygen sensor-1 malfunction
IYSY01111041-01