Engine Coolant Temperature Sensor (Sohc 16 Valve) - Mitsubishi 1989-1993 GALANT Service Manual

FUEL SYSTEM <SOHC-l 6 VALVE> - ::~,%~t~pection Of MF'
Engine control
module harness
side connector
65
connector
Engine coolant
temperature sensor
side connector
72
Engine
control
module
Check for an open circuit, or a short-
circuit to ground between the engine
control module and the barometric
pressure sensor.
Volume air flow sensor connec-
l
tor: Disconnected
Engine control module connec-
l
tor: Disconnected
Measure the impressed voltage of the
barometric pressure sensor.
Volume air flow sensor connec-
l
tor: Disconnected
Engine control module connec-
l
tor: Connected
Ignition switch: ON
l
Voltage (VI
4.8 - 5.2
6 3
Engine control module connector
TSB Revision
Replace
control
module.
Engine coolant