2001–2005 Honda K Series
9
© 2021 AEM Performance Electronics
Infinity
Pin
Infinity
Assignmen
t
Honda
Pin
Honda Description
Infinity Hardware
Specification
Notes
51
Ana7 -
Throttle
A15
Throttle Position
Sensor
12 bit A/D, 100K pullup to 5V
0–5V analog signal. Do not connect signals
referenced to +12V as this can permanently
damage the ECU. See the Setup Wizard Set
Throttle Range page for automatic min/max
calibration.
52
Ana8 - Map
A19
MAP Sensor
12 bit A/D, 100K pullup to 5V
0–5V analog signal. See the Manifold Pressure
in Setup Wizard for setup and calibration.
53
Ana9 - Fuel
Press
---
---
12 bit A/D, 100K pullup to 5V
0–5V analog signal found on the Auxiliary
Connector
54
VR2 (+) -
Driven
Wheel
---
---
Differential Variable
Reluctance Zero Cross
Detection
See Driven Wheel Speed Calibration in the
Setup Wizard Vehicle Speed page.
55
VR2 (-) -
Driven
Wheel
---
---
Differential Variable
Reluctance Zero Cross
Detection
See Driven Wheel Speed Calibration in the
Setup Wizard Vehicle Speed page.
56
VR3 (-) -
Tag Wheel
---
---
Differential Variable
Reluctance Zero Cross
Detection
See Non Driven Wheel Speed Calibration in the
Setup Wizard Vehicle Speed page.
57
VR3 (+) -
Tag Wheel
---
---
Differential Variable
Reluctance Zero Cross
Detection
See Non Driven Wheel Speed Calibration in the
Setup Wizard Vehicle Speed page.
58
HS Out 0
B15
VTEC solenoid Valve
0.7A max, High Side Solid
State Relay
+12V High Side Drive. See Setup Wizard Honda
VTEC page for options.
59
Stepper_1B
---
---
Automotive, Programmable
Stepper Driver, up to 28V and
±1.4A
Be sure that each internal coil of the stepper
motor is properly paired with the 1A/1B and
2A/2B ECU outputs. Supports Bi-Polar stepper
motors only.
60
Stepper_2B
---
---
Automotive, Programmable
Stepper Driver, up to 28V and
±1.4A
Be sure that each internal coil of the stepper
motor is properly paired with the 1A/1B and
2A/2B ECU outputs. Supports Bi-Polar stepper
motors only.
61
HBridge0_0
---
---
5.0A max Throttle Control
Hbridge Drive
62
HBridge0_1
---
---
5.0A max Throttle Control
Hbridge Drive
63
+12V
A2/B1
Main Power
Main Power
12 volt power from relay powers the Infinity,
Lambda sensor, and AEMNet
64
Injector 6
C3
---
Saturated or peak and hold,
3A max continuous
Spare injector output Injector 6
*No peak and hold injector for Infinity 8h
65
Injector 5
C2
---
Saturated or peak and hold,
3A max continuous
Spare injector output Injector 5
*No peak and hold injector for Infinity 8h
66
Injector 4
B2
Injector 4
Saturated or peak and hold,
3A max continuous
Injector 4
*No peak and hold injector for Infinity 8h
67
GND
---
---
Power Ground
Connects directly to ground
68
+12V
A3
Main Power
Main Power
12 volt power from relay powers the Infinity
69
Ana19 -
APP2
---
---
12 bit A/D, 100K pullup to 5V
0–5V analog signal. Do not connect signals
referenced to +12V as this can permanently
damage the ECU.
70
Ana18 -
APP1
---
---
12 bit A/D, 100K pullup to 5V
0–5V analog signal. Do not connect signals
referenced to +12V as this can permanently
damage the ECU.