The CalIR circuit connects to the internal resistor in the L1H1's
connector. The L1H1 is a 5 wire sensor, but you will need to run 7 wires to
it because there is a calibration resistor built into the connectors body.
This resistor is used to compensate for manufacturing differences in the
sensor, so technically each sensor is calibrated from the factory via this
resistor.
Darren Clark
"Mario Piquero"
<mpiquero at insight To: <diy_efi at diy-efi.org>
.rr.com> cc:
Sent by: Subject: [Diy_efi] DIY-WB question
diy_efi-admin at diy
-efi.org
10.13.2002 01:44
PM
Please respond to
diy_efi
I just put together a DIY-WB and was wondering if someone could explain to
me what the CalR circuit is for. Is this used to calibrate the box? If so,
how? Is the output voltage to AFR reference fixed? Are there any
differences
between sensors that would require some type of calibration or modification
to the conversion table. I would appreciate if you can put me in contact
with someone who could answer these questions.
Thanks,
Mario Piquero
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