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DTC P0132 O2 SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 1)

DTC P0132 O 2 SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 1)

OUTLINE OF DIAGNOSIS

Detect the open or short circuit of sensor.

Judge NG when the element impressed voltage is out of range, or the element current is out of range.

COMPONENT DESCRIPTION


(1)

Atmosphere

(A)

Electromotive force

(2)

Exhaust

(B)

Air fuel ratio

(3)

ZrO 2

(C)

Lean

(4)

Ceramic heater

(D)

Rich



ENABLE CONDITION

Secondary Parameters Enable Conditions
Battery voltage

≥ 10.9 V



GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

DIAGNOSTIC METHOD

Judge NG when the continuous time of completing any malfunction criteria below becomes more than 1 second.

Judgment Value

Malfunction Criteria Threshold Value
Input voltage

≥ 3.8 V

Input current

≥ 0.005 A



Time Needed for Diagnosis: 1 second

Malfunction Indicator Light Illumination: Illuminates as soon as the malfunction occurs.

DTC CLEAR CONDITION


When the OK idling cycle was completed 40 times in a row

When “Clear Memory” was performed


MALFUNCTION INDICATOR LIGHT CLEAR CONDITION


When the OK driving cycle was completed 3 times in a row

When “Clear Memory” was performed


FAIL SAFE


Front oxygen (A/F) sensor heater control: Not allowed to turned on the heater.

A/F main learning: Not allowed to calculate the A/F main learning compensation factor.

A/F sub learning: Not allowed to calculate the A/F sub learning compensation factor.

Compensation when starting the engine at high temperature: Make the MIN value to be 0 from 0.06 normally.

Purge control: Not allowed to purge.


ECM OPERATING AT DTC SETTING

Memorize the freeze frame data. (For test mode $02)