Table of Contents
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Instruction
Manual
STOP! - READ THIS BEFORE INSTALL OR USE!
WARNING:
THIS INSTALLATION MAY REQUIRE WELDING OR INTEGRATION INTO A VEHICLE'S ELECTRICAL SYSTEM. DAMAGE
TO SENSITIVE ELECTRONICS, FIRE, OR EXPLOSION MAY OCCUR IF PROPER PRECAUTION IS NOT TAKEN. IF THERE
IS ANY DOUBT, DO NOT ATTEMPT THE INSTALLATION AND CONSULT A PROFESSIONAL.
NOTE: IT IS THE RESPONSIBILITY OF THE ENGINE TUNER TO ULTIMATELY CONFIRM THE CALIBRATION USE FOR
ANY PARTICULAR ENGINE IS SAFE FOR ITS INTENDED USE. AEM HOLDS NO RESPONSIBILITY FOR ANY ENGINE
DAMAGE THAT RESULTS FROM THE MISUSE OF THIS PRODUCT.
The 52mm (2-1/16") AEM X-Series Universal Exhaust Gas Oxygen (UEGO) Gauge features a four digit central readout and
sweeping 24-color-coded LED display, providing immediate reference to the engine air fuel ratio (or lambda) in real-time.
The AEM gauge is ideal for all vehicles including carbureted applications and engine dynamometers. A 0-5V analog output
is included and can be used with data loggers or aftermarket ECUs including the AEM Infinity Engine Management
System (EMS). In addition, an AEMnet (CAN bus) and serial data stream are also available for logging or mixture control
purposes.
The X-Series Digital Wideband technology is US Patent #9,575,030.
Features
·
X-Digital Technology
·
Free air or resistor trim calibration modes
·
Fast response, 20ms typical
·
2-1/16" / 52mm outer diameter mounting
·
8.0:1 to 20.0:1 AFR / 0.55 to 2.00 Lambda
·
Configurable 3 or 4 digit precision display mode
·
Lambda, AFR, O2 % display modes with reversible
faceplate
·
Black bezel/faceplate supplied; Silver/white available
as optional purchase
·
Locking connectors
·
Supports vehicle/system voltages up to 16V
·
Supports Bosch LSU4.9 Sensor
·
·
·
Serial RS-232 Output
AEM Performance Electronics, 2205 126th Street Unit A, Hawthorne, CA 90250 - Phone: (310) 484-2322
P/N 30-0300
X-SERIES UEGO GAUGE
Bosch LSU4.9
http://www.aemelectronics.com
KIT CONTENTS
PN
10-0300
INST, X-SERIES UEGO GAUGE
35-0300
GAUGE ASSY, X-SERIES AFR GAUGE
-
RED INSULATED BUTT CONNECTORS (4)
35-4005
WELD-IN BUNG,02 SENSOR 1214 MILD STEEL
35-8618
NUT, KNURLED, M4x0.7 (2)
35-8614
BRACKET, X-SERIES GAUGE
35-3430
PWR/IO CABLE, X-SERIES GAUGE
35-3427
SENSOR CABLE, X-SERIES GAUGE LSU4.9
35-8617
RUBBER BAND, X-SERIES GAUGE
35-2004
SENSOR, WIDEBAND UEGO BOSCH LSU 4.9
*OPTIONAL* ACCESSORIES
PN
30-0300-ACC
BEZEL, X-SERIES GAUGE SILVER
FACEPLATE, X-SERIES AFR WHITE
30-2355-200
NO WELD UEGO CLAMP KIT, 1.75" to 2.00"
30-2355-250
NO WELD UEGO CLAMP KIT, 2.25" to 2.50"
30-2355-300
NO WELD UEGO CLAMP KIT, 2.75" to 3.00"
30-2355-350
NO WELD UEGO CLAMP KIT, 3.25" to 3.50"
30-4008
WELD-IN FINNED BUNG, O2 LONG, STAINLESS STEEL
35-4001
Description
Description
BUNG PLUG,02 SENSOR
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Table of Contents
Related Manuals for AEM 30-0300
Summary of Contents for AEM 30-0300
- Page 1 DAMAGE THAT RESULTS FROM THE MISUSE OF THIS PRODUCT. The 52mm (2-1/16”) AEM X-Series Universal Exhaust Gas Oxygen (UEGO) Gauge features a four digit central readout and sweeping 24-color-coded LED display, providing immediate reference to the engine air fuel ratio (or lambda) in real-time.
- Page 2 30-0300 X-Series UEGO Gauge Wiring Installation Diagram Gauge Connections The X-Series UEGO gauge is supplied with a Power/IO wiring harness (A) and a UEGO sensor harness (B); the harnesses are connected to the gauge as shown below. The UEGO sensor harness simply needs to be routed to the UEGO sensor whereas the Power/IO harness will require further integration into the vehicle.
- Page 3 30-0300 X-Series UEGO Gauge Connector A - Power / IO Color Description Switched 12V Power (5A Fuse) BLACK Power Ground 3 GREEN/BLACK AEMnet- / CANL (Optional) 4 WHITE/BLACK AEMnet+ / CANH (Optional) BLUE Serial / RS-232 Output (Optional) 6 - 8...
- Page 4 30-0300 X-Series UEGO Gauge Operation Mode (MODE) and select (SEL) buttons are located on the face of the gauge for configuration; refer to the diagram below for the available options and their function. Note that the faceplate is two-sided and reversible. If the display mode is changed to lambda, the faceplate may be flipped to display the corresponding lambda scaling.
- Page 5 Faceplate / Bezel Installation The gauge kit is supplied assembled with a black faceplate and black bezel. An accessory kit is available (for purchase through AEM dealers) which includes an optional silver bezel and white faceplate. Please reference the Optional Accessories section earlier in the document for the appropriate part numbers.
- Page 6 30-0300 X-Series UEGO Gauge Gauge Disassembly STEP 1 - Remove the three assembly screws (8) using a #1 Phillips head screwdriver. Separate the bezel (2) and cup (7) from the rest of the STEP 2 - Separate the PCB (11) from the remaining components assembly.
- Page 7 30-0300 X-Series UEGO Gauge Gauge Assembly STEP 1 - Place the light guide (5) on a flat surface (black side up) and STEP 2 - Stack the diffuser (4), faceplate (3), and lens (1) in order, over slide the buttons (6) into the slots...
- Page 8 An electronic controller, such as is contained in AEM's X-Series UEGO Gauge or Inline Controller, is required to use a UEGO oxygen sensor. The controller connects to the sensor via multiple wires (up to 6) carrying sensitive voltages and electrical currents to process and calculate an AFR value.
- Page 9 Listed below are several contaminants and conditions which will shorten the life of the sensor or result in outright failure. Since AEM is unable to verify the operating conditions under which a sensor is subject, NO WARRANTY is provided for the UEGO sensor itself.
- Page 10 GREEN WIRE WITH BLACK STRIPE = AEMnet- / CANL The AEMnet output is suitable for output to AEM devices such as the AQ-1 data logger or Infinity ECU. The following CAN configuration and message definition information is provided below to facilitate interface with third-party devices.
- Page 11 9600 bps loggers, PCs, or reflashed ECUs. The X-Series UEGO serial datastream is data bits designed to match AEM's legacy 30-4100/30-4110 UEGO Digital Gauge for parity None backwards compatibility. The currently selected display mode (lambda or AFR) stop bits will dictate what is output via serial.
- Page 12 AEM’s option, w hen determined by AEM that the product failed due to defects in material or w orkmanship. This w arranty is limited to the repair or replacement of the AEM part. In no event shall this w arranty exceed the original purchase price of the AEM part nor shall AEM be responsible for special, incidental or consequential damages or cost incurred due to the failure of this product.
- Page 13 30-0300 X-Series UEGO Gauge Specifications Dimensions diameter (bezel) 2.40 / 61 in / mm diameter (cup) 2-1/16 / 52 in / mm depth (incl. bezel) 0.825 / 21 in / mm depth (cup only) 0.200 / 5 in / mm...
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Questions and answers
SENSOR INSTALLED BEFORE CAT OR AFTER CAT
The AEM 30-0300 sensor is installed after the catalytic converter. The document mentions that there is no room to place the sensor before the catalytic converter in certain vehicles, and AEM confirmed that it can be placed after the catalytic converter, though the readings may be slightly off.
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