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NEXUS R5 WIRING
Wideband Sensor Inputs
Up to Two Wideband O2 sensors can be
connected directly to the NEXUS R5 for
monitoring purposes, or for closed loop O2
control.
A wideband sensor, by definition, measures a
broad section of the Air Fuel Ratio (AFR) scale.
The NEXUS R5 provides on-board individually
selectable support for Bosch LSU 4.9 or
NTK wideband sensors, using the sensors’
calibration resistor.
The chosen wideband sensor can be selected in
the wideband O2 sensor settings in NSP.
Wideband harnesses, sensors and hardware
packs (including the desired sensor, wiring
harness and bung) can be purchased separately.
CAN Bus
The NEXUS R5 includes three separate CAN
buses. If using the Haltech CAN bus, see the
wiring information on your selected CAN device
to ensure the CAN bus is correctly configured.
Specs
• 1000, 500 or 250 kbit/s
• Per channel selectable 120R termination
• -40 to 40V short protection
• Supports all Haltech expansion products
• Selectable preconfigured vehicle CAN interface
• OBD-II compliant
LSU4.9OR
NTK
HT-010723
HT-010726 LSU 4.9
HT-010727 NTK
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