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Toyota Corolla Repair Manual: Oxygen sensor heater control circuit...

Toyota Corolla Repair Manual / Diagnostics / Sfi system / Oxygen sensor heater control circuit...

Dtc p0031 oxygen sensor heater control circuit low (bank 1 sensor 1)

Dtc p0032 oxygen sensor heater control circuit high (bank 1 sensor 1)

Dtc p0037 oxygen sensor heater control circuit low (bank 1 sensor 2)

Dtc p0038 oxygen sensor heater control circuit high (bank 1 sensor 2)

Inspection procedure
Hint: read freeze frame data using the handheld tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is usefu ...

Circuit description
Refer to dtc p0130 Hint: the ecm provides a pulse width modulated control circuit to adjust current through the heater. The heated oxygen sensor heater circuit uses a relay on the b+ side of the ...

Other materials:

Tire information
Typical tire symbols ► Full-size tire ► Compact spare tire 1 Tire size 2 DOT and Tire Identification Number (TIN) 3 Uniform tire quality grading For details, see Uniform Tire Quality Grading that follows. 4 Location of treadwear indicators 5 Tire ply composition and materi ...

Bluetooth phone message function
Received messages can be forwarded from the connected Bluetooth phone, enabling checking and replying using the multimedia system. Depending on the type of Bluetooth phone connected, received messages may not be transferred to the message inbox. If the phone does not support the message func ...

Replacement
Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. 1. Remove spare wheel cover assy 2. Remove rear floor finish plate Remove the 3 clips.  using a moulding remover, remove the rear floor finish plate. 3. Rem ...

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