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




K27 FP relay module
N3/4 Engine control module (HFM-SFI)
N4/1 EA/CC/ISC control module
N4/3 CC/ISC control module
N16/1 Base module
N59/1 Diagnostic module (OBD II)
K35 O2S 2 (after TWC) heater relay module (as of 06/95)
X11/4 Data link connector (DTC readout)






B17 IAT sensor
G3/1 O2S 2 (after TWC)
G3/2 O2S 1 (betore TWC)






A1e26 "CHECK ENGINE" MIL
B5/2 DM pressure sensor (HFM-SFI)
K35 O2S 2 (after TWC) heater relay module (up to 05/95)
Y3/3 Upshift delay switchover valve
Y27/6 Purge flow switchover valve
Y58/1 Purge control valve
A Purge line from charcoal canister
B Purge line to engine