User Guide

3
7/12/2017 - DOCUMENT NUMBER: 10-0300
© 2017 AEM Performance Electronics
30-0300 X-Series UEGO Gauge
Connector A - Power / IO
Pin
Color
Description
1
RED
Switched 12V Power (5A Fuse)
2
BLACK
Power Ground
3
GREEN/BLACK
AEMnet- / CANL (Optional)
4
WHITE/BLACK
AEMnet+ / CANH (Optional)
5
BLUE
Serial / RS-232 Output
(Optional)
6 - 8
-
Not Used
9
WHITE
0-5V Analog Output Positive+
(Optional)
10
BROWN
0-5V Analog Output Negative-
(Optional)
Important Notes on Wiring
Route harnesses carefully to avoid chafing or undue strain.
Secure wiring to vehicle with wire ties paying special
attention to the sensor harness routing beneath the vehicle
and/or in the engine compartment.
Take care when routing sensor harness near hot exhaust
components.
Apply strain reliefs and wire coverings as necessary.
Use a 5A inline fuse on the switched 12V power supply
line (Pin 1 - Power/IO).
Avoid cutting or extending the sensor harness.
Use appropriate gauge wire (20 AWG or thicker) when
extending wires, especially Pins 1(Switched 12V) or
2(Ground) of the Power/IO harness.
Ensure all connections are secure and insulated from
shorts to adjacent wires and the vehicle structure. Utilize
proper crimping and solder/heatshrink techniques.
Replacement pins are JST P/N SPUD-001T-P0.5 terminals
for 22-26 AWG wire
Connector B - Bosch LSU4.9 UEGO Sensor
Pin
Color
Description
1
GREEN
Trim Resistor
2
WHITE
Heater Negative-
3
ORANGE
COM
4
-
Not Used
5
RED
Pump Current
6
BLACK
Sense
7
-
Not Used
8
BROWN
Heater Positive+