Honda Accelerator pedal sensor: Difference between revisions

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Added revised pinout for UK model sensors.
 
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The voltage from both sensors ramps linearly from the fully released position to the fully depressed position<ref>Add reference</ref>. The pedal should be supplied with a reasonable stable and accurate 5V supply to ensure a proper readout.
The voltage from both sensors ramps linearly from the fully released position to the fully depressed position<ref>Add reference</ref>. The pedal should be supplied with a reasonable stable and accurate 5V supply to ensure a proper readout.
{| class="wikitable"
{| class="wikitable"
|+Voltage Output of Throttle Sensors
|+Voltage Output of Throttle Sensors
(P/N 37971-RCA-A01)
!Pedal Position
!Pedal Position
!Sensor 1
!Sensor 1
Line 15: Line 17:
|-
|-
|Fully Released
|Fully Released
|
|0.05 V
|
|4.30 V
|-
|-
|Fully Depressed
|Fully Depressed
|
|0.10 V
|
|4.90 V
|}
 
 
 
UK spec versions have different pinout.
 
When connected correctly sensor 1 is half the scale of sensor 2, fully pressed yielded max values of 1432 for Pot1 and 2980 for Pot2 on a v3 mini mainboard.
{| class="wikitable"
|+Pinout of UK Spec Accord / CRV APP
(P/N TBC)
!Connector Pin
!A
!B
!C
!D
!E
!F
|-
|Function
|5V REF 1
|GND 1
|SIG 1
|SIG 2
|5V REF 2
|GND 2
|}
|}
(In OEM application pins E and F are swapped, giving SIG 2 an inverted output, this isn't compatible with open inverter so a pin swap is needed)


==Versions==
== Versions ==
{| class="wikitable"
{| class="wikitable"
|+Selected Versions
|+Selected Versions
Line 56: Line 84:
|}
|}


= Photos =
[[File:Side view.jpg|none|thumb|Side view,  P/N 37971-RCA-A01 (Honda Element)]]
[[File:Side view 2.jpg|none|thumb|Side view 2,  P/N 37971-RCA-A01 (Honda Element)]]
[[File:Rear view.jpg|none|thumb|Rear view,  P/N 37971-RCA-A01 (Honda Element)]]
[[File:Underside view.jpg|none|thumb|Underside, P/N 37971-RCA-A01 (Honda Element)]]
[[File:With cover and bracket.jpg|none|thumb|With cover and bracket,  P/N 37971-RCA-A01 (Honda Element)]]


==References==
 
[https://grabcad.com/library/honda-accelerator-pedal-sensor-scan-1 3D scan of bracket, sensor, and cover]
 
= References =
<references />
<references />
 
[[Category:Honda]]
[[Category:OEM]]
[[Category:Honda]]
[[Category:Accessories]]
[[Category:Accelerator pedals and position sensors]]
[[Category:Accelerator pedals and position sensors]]

Latest revision as of 09:28, 16 August 2025

General Information

A better image would be nice, but this is what the sensor looks like

The original cable is shielded to avoid interference from other sources and resulting unwanted acceleration or deceleration.

Honda accelerator pedal sensor connector pinout[1]

The voltage from both sensors ramps linearly from the fully released position to the fully depressed position[2]. The pedal should be supplied with a reasonable stable and accurate 5V supply to ensure a proper readout.

Voltage Output of Throttle Sensors (P/N 37971-RCA-A01)
Pedal Position Sensor 1 Sensor 2
Fully Released 0.05 V 4.30 V
Fully Depressed 0.10 V 4.90 V


UK spec versions have different pinout.

When connected correctly sensor 1 is half the scale of sensor 2, fully pressed yielded max values of 1432 for Pot1 and 2980 for Pot2 on a v3 mini mainboard.

Pinout of UK Spec Accord / CRV APP (P/N TBC)
Connector Pin A B C D E F
Function 5V REF 1 GND 1 SIG 1 SIG 2 5V REF 2 GND 2

(In OEM application pins E and F are swapped, giving SIG 2 an inverted output, this isn't compatible with open inverter so a pin swap is needed)

Versions

Selected Versions
Part Number Cars Used In Electrical Connector Remarks
  • 37971-RDJ-A01
  • 37971-RCA-A01
  • 37971-RBB-003
  • For Acura Mdx 2003-2006
  • For Acura Tl 2004-2008
  • For Acura Tsx 2004-2008
  • For Honda Accord 2003-2007
  • For Honda Cr-v 2005-2006
  • For Honda Element 2007-2011
  • For Honda Pilot 2005-2008
  • For Honda Ridgeline 2006-2014
  • sumitomo HX040 6pin
  • Housing F（6189-1012）
  • Retainer 6918-2056
  • 0.3-0.5mm2 F（8100-3067）
  • 0.75-1.25mm2 F（8100-3068）
  • Seal D1.1-1.6 （7165-1075）
  • Seal D1.6-1.9 （7165-0621）
  • Seal D1.8-2.2 （7165-0622）
 Connector can be found on Aliexpress

Photos

Side view, P/N 37971-RCA-A01 (Honda Element)
Side view 2, P/N 37971-RCA-A01 (Honda Element)
Rear view, P/N 37971-RCA-A01 (Honda Element)
Underside, P/N 37971-RCA-A01 (Honda Element)
With cover and bracket, P/N 37971-RCA-A01 (Honda Element)


3D scan of bracket, sensor, and cover

References

  1. ↑ Forum Reference: https://openinverter.org/forum/viewtopic.php?p=66006#p66006
  2. ↑ Add reference
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