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DTC P0132 HO2S1
EC-611
[QR (WITHOUT EURO-OBD)]
C
D
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EC
DTC P0132 HO2S1 PFP:22690
Component Description EBS010YM
The heated oxygen sensor 1 is placed into the exhaust manifold. It
detects the amount of oxygen in the exhaust gas compared to the
outside air. The heated oxygen sensor 1 has a closed-end tube
made of ceramic zirconia. The zirconia generates voltage from
approximately 1V in richer conditions to 0V in leaner conditions. The
heated oxygen sensor 1 signal is sent to the ECM. The ECM adjusts
the injection pulse duration to achieve the ideal air-fuel ratio. The
ideal air-fuel ratio occurs near the radical change from 1V to 0V.
CONSULT-II Reference Value in Data Monitor Mode EBS010YN
Specification data are reference values.
On Board Diagnosis Logic EBS010YO
To judge the malfunction, the diagnosis checks that the heated oxy-
gen sensor 1 output is not inordinately high.
SEF463R
SEF288D
MONITOR ITEM CONDITION SPECIFICATION
HO2S1 (B1)
● Engine: After warming up Maintaining engine speed at 2,000 rpm
0 - 0.3V ←→ Approx. 0.6 - 1.0V
HO2S1 MNTR (B1)
LEAN ←→ RICH
Changes more than 5 times during
10 seconds.
SEF301UA
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0132
0132
Heated oxygen sensor 1
circuit high voltage
An excessively high voltage from the sensor
is sent to ECM.
● Harness or connectors
(The sensor circuit is open or shorted.)
● Heated oxygen sensor 1
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