Mitsubishi 1989-1993 GALANT Service Manual page 417

FUEL SYSTEM <DOHC>
INSPECTION
Using Scan tool
Function Item No.
Data reading 26
HARNESS INSPECTION
Harness side
Data display Inspection conditions
Switch status
(Check after
accelerator several times.)
Measure the power supply voltage of
the closed throttle position switch.
. Connector: Disconnected
. Ignition switch: ON
SENSOR INSPECTION
(2) Check the continuity between terminal QI and body ground.
(3) If out of specification, replace the throttle position sensor
assembly.
TSB Revision
Throttle valve
To idle position
pumping
Slightly opened
Voltage (VI
4 or more
Accelerator pedal
Depressed
Released
13-275
Normal indication
ON
OFF
STOP
Repair the
harness.
Continuity
Non-conductive (m S2)
Conductive (0 52)