DTC P0132 HEATED OXYGEN SENSOR 1 (FRONT) (HIGH VOLTAGE); On Board Diagnosis Logic; DTC Confirmation Procedure; Overall Function Check

EF & EC-7111prose procedure

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Continued from EF & EC-7110

CG10, CGA3

On Board Diagnosis Logic

To judge the malfunction, the output from the heated oxygen sensor 1 (front) is monitored to determine whether the the output voltage is inordenately high.

Code P0132

Heated Oxygen Sensor 1 (Front) (High Voltage)

DTC Confirmation Procedure

NOTE

If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch "OFF" and wait at least 1 second before conducting the next test.

With CONSULT-II

1
Start engine and warm it up to normal operating temperature. If 1st trip DTC is detected, go to "Diagnostic Procedure", EC-7113.
2
Stop engine and wait at least 9 seconds.
3
Turn ignition switch "ON" and select "DATA MONITOR" mode with CONSULT-II.
4
Start engine and let it idle for at least 3 minutes.
5
If 1st trip DTC is detected, go to "Diagnostic Procedure", EC-7113.

Overall Function Check

Use this procedure to check the overall function of the heated oxygen sensor 1 (front) circuit. During this check, a 1st trip DTC might not be confirmed.

With GST

1
Start engine and warm it up to normal operating temperature.
2
Set voltmeter probes between ECM terminal 12 and ground.
3
Check the following with engine speed held at 2,000 rpm constant under no load. - The voltage fluctuates between 0 to 0.3V and 0.6 to 1.0V more than three times within 10 seconds.

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