FUEL SYSTEM
Inspection of
Components
TERMINAL VOLTAGE CHECK CHART
Terminal arrangement of engine control
module connector
01
Battery positive voltage
No.
Check condition (Engine state)
Standard
value
Remarks
Check
103
Backup power
switch: OFF
Power supply
ignition switch: ON
107
109
Fuel pump
Engine:
or higher
Engine: Idling
I
Ignition switch: ON
Engine:
Ignition switch: ON
Engine: idling
Engine speed: 2,000 rpm
I
56
23
10
fuel
injection relay
(Fuel pump)
Sensor
voltage
Volume air flow
sensor
Air intake
temperature
sensor
Ignition
Air intake temperature of
switch:
ON
Air
temperature of
Air
temperature of
Air intake temperature of
1
Barometric
pressure sensor
Altitude of 0 ft.)
switch:
ON
of 1,200 (3,937 ft.)
coolant
Coolant temperature of
temperature
s w i t c h :
sensor
ON
Coolant temperature of
Coolant temperature of
Coolant temperature of
Throttle
sensor
Ignition
It
Set the throttle valve to the
is kept ON for 15
seconds or more
Closed throttle
position switch
I
Ignition
Set the throttle valve to the idling
switch:
position.
Slightly open the throttle valve.
or
3
9
TSB Revision
1
Summary of Contents for 1989 Galant
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