LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Transit Connect Base, Van Cargo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Reference Values (Except Diesel & Hybrid) >> Typical Diagnostic Reference Values >> 5.4L 4V Mustang
April 5, 2026: LEMON Manuals is launched! Read the announcement.

5.4L 4V Mustang

Fig 1: Identifying 190-Pin PCM Connectors (5.4L 4V Mustang)
G06054072Courtesy of FORD MOTOR CO.
SENSORS/INPUTS - 5.4L 4V MUSTANG

Sensors/Inputs PCM Pin/PID only Measured/PID Values Units Measured/PID
KOEO Hot Idle 48 KM/H (30 MPH) 89 KM/H (55 MPH)
APP1 B28 4.0 4.0 3.8 3.6 VOLTS
APP2 B29 1.43 1.43 1.57 1.66 VOLTS
MAF B40 0.01 0.6 0.92 1.7 VOLTS
IAT B47 1.45/55 (131) 2.28/37 (98.6) 3.29/16 (60.8) 3.39/13 (55.4) VOLTS/DEG C (DEG F)
FTP B65 2.63/0.61 2.61/0.61 2.33/0.61 2.33/0.61 VOLTS/PSI
FRP E23 3.01/43.89 2.89/41.92 2.73/39.1 2.69/38.32 VOLTS/PSI
FRT E26 1.36/60 (140) 1.49/56 (132.8) 2.1/42 (107.6) 1.93/46 (114.8) VOLTS/DEG C (DEG F)
CHT E30 3.27/103 (217.4) 3.35/101 (213.8) 3.49/97 (206.6) 3.41/99 (210.2) VOLTS/DEG C (DEG F)
IAT2 E36 0.83/79 (174.2) 1.19/65 (149) 1.91/46 (114.8) 2.12/42 (107.6) VOLTS/DEG C (DEG F)
O2S12 T18 (I) (D) (D) (D) VOLTS
CPP-BOT T19 NO NO NO NO YES/NO
O2S22 T27 (I) (D) (D) (D) VOLTS
HTRCM21 T35 2.07 2.07 1.87 1.02 AMPS
OSS_SRC T36 0 0 1290 2361 RPM
HTRCM12 T47 1.57 (AMPS) 1.57 (AMPS) 1.32 (AMPS) 648 (mA) mA/AMPS
HTRCM22 T49 1.57 (AMPS) 1.57 (AMPS) 1.32 (AMPS) 664 mA/AMPS
APP PID 0 0 6.5 10.5 %
BARO PID 14.73/158.9 14.73/158.9 14.73/158.9 14.73/158.9 PSI/Hz
B+ PID 12.88 13-14.5 13-14.5 13-14.5 VOLTS
DECHOKE PID YES NO NO NO YES/NO
ETC_TRIM PID 0 (J) 0.01 (J) 0.15 (J) 0.1 (J) DEG
FLI PID 0 (H) 75.7 (H) 72.45 (H) 70.33 (H) %
LOAD PID 73.37 (I) 16.22 34.92 41.87 %
MISFIRE PID NO NO NO NO YES/NO
O2BANK1 PID VARIES VARIES VARIES VARIES RICH/LEAN
O2BANK2 PID VARIES VARIES VARIES VARIES RICH/LEAN
O2S11 PID (I) switching (C) switching (C) switching (C) VOLTS/RICH-LEAN
O2S21 PID (I) switching (C) switching (C) switching (C) VOLTS/RICH-LEAN
RPM PID 0 660-780 1200-1300 1450-1740 RPM
VSS PID 0 0 48 km/h (30 MPH) 89 km/h (55 MPH) km/h / MPH
ACTUATORS/OUTPUTS - 5.4L 4V MUSTANG

Actuators/Outputs PCM Pin/PID only Measured/PID Values Units Measured/PID
KOEO Hot Idle 48 KM/H (30 MPH) 89 KM/H (55 MPH)
HFC B18 OFF ON (B) OFF OFF ON/OFF
FP B19 75/OFF 21.59/ON 21.26/ON 22.41/ON %/ON/OFF
EVAPCV B20 OFF OFF OFF OFF ON/OFF
FPM2 B25 99.71 99.71 103.4 99.71 %
FPM B32 99.71 99.71 103.4 99.71 %
LFC B34 OFF ON (B) OFF OFF ON/OFF
SPKDUR_5 E18 0 1.81 1.59 1.4 ms
SPKDUR_4 E33 0 1.87 1.68 1.68 ms
SPKDUR_3 E34 0 1.78 1.4 1.59 ms
EVAPCP E49 0/OFF 574/VARYING 633/VARYING 666/OFF mA/OFF- VARYING
SPKDUR_7 E50 0 1.75 1.71 1.37 ms
SPKDUR_2 E51 0 1.81 1.62 1.5 ms
SPKDUR_8 E52 0 1.84 1.56 1.65 ms
SPKDUR_6 E69 0 1.68 1.78 1.59 ms
SPKDUR_1 E70 0 1.56 1.46 1.5 ms
HTR11 T24 OFF ON ON ON ON/OFF
HTR21 T35 OFF ON ON ON ON/OFF
HTR12 T47 OFF ON ON ON ON/OFF
HTR22 T49 OFF ON ON ON ON/OFF
EGR_EVAL PID NO NO NO NO YES/NO
EVAP020C PID NO NO NO NO YES/NO
EVAP020D PID ALLOW ALLOW ALLOW ALLOW ALLOW/DISALLOW
EVAP020R PID NOT READY NOT READY NOT READY NOT READY READY/NOT READY
EVAPSOAK PID NO NO NO NO YES/NO
EVAP_EVAL PID NO NO NO NO YES/NO
FUELSYS PID OPEN LOOP CLOSED LOOP CLOSED LOOP CLOSED LOOP OPEN/CLOSED LOOP
LONGFT1 PID (I) -20 TO +20 -20 TO +20 -20 TO +20 %
LONGFT2 PID (I) -20 TO +20 -20 TO +20 -20 TO +20 %
MIL PID OFF OFF OFF OFF ON/OFF
SHRTFT1 PID (I) -10 TO +10 -10 TO +10 -10 TO +10 %
SHRTFT2 PID (I) -10 TO +10 -10 TO +10 -10 TO +10 %
SPARKADV PID 10 14.5 31.75 33.25 DEG
OTHER - 5.4L 4V MUSTANG

Other PCM Pin/PID only Measured/PID Values Units Measured/PID
KOEO Hot Idle 48 KM/H (30 MPH) 89 KM/H (55 MPH)
VREF B52/E20/T31 5 5 5 5 VOLTS
VPWR B67/68 VBAT VBAT VBAT VBAT VOLTS
scientia non olet · About LEMON Manuals