FUEL SYSTEM
VALVE>
Inspection of
Components
TROUBLESHOOTING HINTS
Hint 1:
Hint 2:
If there is a malfunction of the barometric-pressure
If, during high-speed driving, there is a noticeable
sensor,
of
the vehicle will become worse
s h a r p d r o p o f t h e d i s p l a y e d p r e s s u r e o f t h e
sensor, check for clogging of
at
a l t i t u d e .
the air cleaner.
INSPECTION
Using Scan tool
Standard value
I
Check conditions
Item No.
Data
25
Sensor detec-
tion pressure
Function
Data
Ignition
ON
At 0 ft.)
760
At 600
710
I
At 1,200
660
(3,937
At 1,800
(5,906 ft.)
610
HARNESS INSPECTION
Check for continuity of the ground
circuit.
. Connector: Disconnected
connector
Repair the
harness.
Measure the power supply voltage of
the barometric
sensor.
. Connector: Disconnected
. Ignition switch: ON
Harness
connector
Check for an open-circuit or a
circuit to ground between the engine
control module and the barometric
pressure sensor.
Volume air flow sensor connector:
Disconnected
Engine control
module harness
Harness side
side connector
Engine control module connec-
tor: Disconnected
Repair the
harness.
TSB Revision
Summary of Contents for 1989 Galant
Page 2: ......
Page 4: ...00 z NOTES ...
Page 274: ...13 132 NOTE ...
Page 586: ...NOTES ...
Page 650: ...NOTE ...
Page 664: ...NOTES ...
Page 688: ...NOTES ...
Page 690: ......
Page 692: ......
Page 694: ......
Page 696: ......
Page 698: ......
Page 700: ...c ...
Page 702: ......
Page 704: ......
Page 706: ......
Page 708: ......
Page 710: ......
Page 712: ......
Page 714: ......
Page 716: ......
Page 718: ......
Page 720: ......
Page 722: ......
Page 724: ......
Page 729: ...23 23 NOTES ...
Page 860: ...NOTES ...
Page 921: ...NOTES ...
Page 948: ...33B 9 NOTES ...
Page 1121: ...NOTES ...
Page 1200: ...SERVICE BRAKES Brake Pedal 35 79 Lubrication points Part A 14AO256 1 14UOO5l TSB Revision ...
Page 1273: ...NOTES t ...