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Pin Voltage Charts

PIN VOLTAGE

Selected Item

KOEO

Units

Hot Idle

30 MPH

55 MPH

Units

Input

AC SW

OFF/ON

N/A

OFF/ON

OFF/ON

OFF/ON

N/A

RPM (CMP Position)

0

RPM

750 +/- 50

1200-1650

1850

RPM

ECT

176-220

°F

176-220

176-220

176-220

°F

EGRT

0-4.5

V

0-4.5

0.2-1.0

0.2-1.0

V

Idle Sw.

ON

N/A

ON

OFF

OFF

N/A

HO2S

0

V

0.05-1.2 ⁽³⁾

0.05-1.2 ⁽³⁾

0.05-1.2 ⁽³⁾

V

MAF

0.78

V

1.71

2.4

2.8

V

PNP

ON

N/A

ON

OFF

OFF

N/A

PSP SW

OFF

N/A

OFF @

OFF @

OFF @

N/A

TP

0.46/ 4.12

V

.46

0.78

1.2

V

VPWR

11-14

V

11-14

11-14

11-14

V

VSS

0

MPH

0

30

55

MPH

VST

OFF

N/A

OFF ⁽²⁾

OFF

OFF

N/A

Output

ACR

OFF

N/A

OFF ⁽¹⁾

OFF ⁽¹⁾

OFF ⁽¹⁾

N/A

EGRC

ON

N/A

ON

OFF

OFF

N/A

Fuel PW

0

mS

3.38

4.4-5.5

6.6-7.3

mS

HFAN

OFF

N/A

OFF

OFF-ON ⁽⁵⁾

OFF-ON ⁽⁵⁾

N/A

IAC

0

%

15-28

71

71

%

LFAN

OFF

N/A

OFF-ON ⁽⁴⁾

OFF-ON ⁽⁴⁾

OFF-ON ⁽⁴⁾

N/A

S-LEARN

100

%

100

90-100⁽²⁾

90-100⁽²⁾

%

SPOUT

15

DEG

15

36

25-35

DEG

⁽¹⁾

A/C On.

⁽²⁾	Monitor in DC manual mode, reference pin to PWR GND.

⁽³⁾	HO2S should cycle from rich to lean at least once every 3 seconds. Voltage should cycle above and below 45 volt, and should never be negative.

⁽⁴⁾	Brake applied.

⁽⁵⁾	Reference values may vary 20 percent, depending on operating conditions and other factors. RPM values are axle and tire dependent.