Mitsubishi 3000GT Service Manual page 335

A Harness side
connector
I
VEHICLE SPEED SENSOR (Mechanical Speedometer Type)
Vehicle speed sensor
I
Terminal voltage (V)
Frequency (Hz)
Vehicle speed [km/h (mph)]
MULTIPORT
FUEL INJECTION
Check for continuity between the
PNP switch and enaine control
module.
Engine control module con-
PNP switch connector: Dis-
connected
NOTE
harness
Insert the probes of the circuit tes-
side
ter into both ends of the harness.
Measure the impressed voltage
to the PNP switch.
Engine control module con-
l
nector: Connected
PNP switch connector: Dis-
l
connected
Ignition switch: ON
Bakery voltage
of MFI
Engine control module
A Equipment side
connector
A
B Equipment side
connector
Engine control module connector
Repair the
harness.
STOP
Replace the
engine con-
trol module.
86
Vehicle speed sensor