Mitsubishi 3000GT 1991 Service Manual page 157

FUEL SYSTEM
connector
Harness side
connector
Enaine control
side connector
connector
connector
Check for continuity between the fuel
pump and the checking terminal.
Connector: Disconnected
l
Check for continuity between the
checking terminal and the control re-
lay (for fuel pump), and between the
resistor (for fuel pump).
Control relay (for fuel pump) con-
nector: Disconnected
Resistor (for fuel pump) connec-
l
tor: Disconnected
Fuel pump connector: Discon-
l
nected
Check for an open-circuit, or a short-
circuitto ground, between the control
relay (for fuel pump) and the engine
control unit.
Control relay (for fuel pump) con-
nector: Disconnected
Engine control unit connector:
l
Disconnected
Check for continuity between the
control relay (for fuel pump) and the
resistor (for fuel pump).
Control relay (for fuel pump) con-
Resistor (for fuel pump) connec-
l
tor: Disconnected
Measure the power supply voltage of
the control relay.
Connector: Disconnected
l
Ignition switch: START (when
l
checking @@I
Ignition switch: ON (when check-
l
ing @@I
Voltage (VI
8 or higher
TSB Revision
13-51
Repair the
harness.
Repair the
harness.
8 8
Repair the
harness.
Repair the
harness.