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Re: Testing A/F Sensor Heater Circuit
Posted to Technical Discussion Forum on 6/22/2016 2 Replies

Pretty sure. That's why I'm asking.

Here's the diagram:

[2003 Toyota Camry LE, ECM/Inputs/Outputs Schematic]

Checked for voltage and current on the black and white wire. Checked for ground side switching on the black and red wire.

The other two wires, i... Login to read more.

Files Referenced:

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