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DTC P0130 O2 SENSOR CIRCUIT (BANK 1 SENSOR 1)

DTC P0130 O 2 SENSOR CIRCUIT (BANK 1 SENSOR 1)

DTC DETECTING CONDITION:


• Immediately at fault recognition

• GENERAL DESCRIPTION


Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .


WIRING DIAGRAM:


CHECK ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Yes

Inspect the relevant DTC using “List of Diagnostic Trouble Code (DTC)”.


No


CHECK FRONT (A/F) OXYGEN SENSOR DATA.

Start the engine.

While observing the Vehicle Diagnostic Interface or OBD-II general scan tool screen, warm-up the engine until coolant temperature is above 70°C (158°F).

If the engine is already warmed-up, operate at idle speed for at least 1 minute.

Read the data of front oxygen (A/F) sensor signal using Vehicle Diagnostic Interface or OBD-II general scan tool.

Note
• Vehicle Diagnostic Interface

For detailed operation procedure, refer to the “READ CURRENT DATA FOR ENGINE”.

• OBD-II general scan tool

For detailed operation procedures, refer to the OBD-II General Scan Tool Instruction Manual.


Is the measured value 0.85 — 1.15 (in idling)?

Yes


No


CHECK REAR OXYGEN SENSOR SIGNAL.

Race the engine at speeds from idling to 5,000 rpm for a total of 5 cycles.

Note

To increase the engine speed to 5,000 rpm, slowly depress accelerator pedal, taking approx. 5 seconds, and quickly release accelerator pedal to decrease engine speed.


Operate the LED operation mode for engine.

Note
• Vehicle Diagnostic Interface

For detailed operation procedure, refer to the “LED OPERATION MODE FOR ENGINE”.


Does the LED of {Rear O 2 Rich Signal} blink?

Yes

Repair the poor contact in front oxygen (A/F) sensor and rear oxygen sensor connector.


No

Check the rear oxygen sensor circuit.


CHECK EXHAUST SYSTEM.

Check the exhaust system parts.

Note

Check the following items.

• Loose installation of portions

• Damage (crack, hole etc.) of parts

• Looseness of front oxygen (A/F) sensor

• Looseness and ill fitting of parts between front oxygen (A/F) sensor and rear oxygen sensor


Is there a fault in exhaust system?

Yes

Repair or replace the faulty parts.


No

Replace the front oxygen (A/F) sensor.