HFM-SFI Related Components

Engine Mounted Components:

A16 Knock sensors
B2/5 Hot film MAF sensor
B6/1 Camshaft Hall-effect sensor (Model 210 only)
B11/3 ECT sensor
L5 CKP sensor
L5/1 CMP sensor (Models 124, 129, 140, 202)
M16/2 CC/ISC actuator
S16/1 Starter lock-out/backup lamp switch
S65 Transmission overload protection switch
T1/1 Ignition coil 1 (cylinders 2 and 5)
T1/2 Ignition coil 2 (cylinders 3 and 4)
T1/3 Ignition coil 3 (cylinders 1 and 6)
Y22/6 Resonance intake manifold switchover valve
Y27 EGR switchover valve
Y32 AIR pump switchover valve
Y33 Electromagnetic AIR pump clutch
Y49 Adjustable camshaft timing solenoid
Y62 Injectors


Engine Compartment Mounted Components




K1/2 Overvoltage protecton relay module
K27 FP relay module
N3/4 Engine control module (HFM-SFI)
N59 Diagnostic module (OBD I) (California)
X11/4 Data link connector (DTC readout)






B17 IAT sensor
G3/2 O2S 1 (before TWC)
Y58/1 Purge control valve
A Purge line from charcoal canister
B Purge line to engine






A1e26 "CHECK ENGINE" MIL
Y3/3 Upshift delay switchover valve
X11/4 Data link connector (DTC readout)
X11/21s1 Pushbutton (with LED) - California