Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1998 1998 Service Manual DIAGNOSTICS SECTION ON-BOARD DIAGNOSTICS II SYSTEM MSA5TCD98L21316
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2-7 [T5A0] ON-BORAD DIAGNOSTICS II SYSTEM
5. Specified Data
5. Specified Data
A: ENGINE CONTROL MODULE
(ECM) I/O SIGNAL
OBD0092A
Con- Signal (V)
Termi-
Content nector Ignition SW ON Note
nal No. Engine ON (Idling)
No. (Engine OFF)
Crankshaft Signal (+) B84 8 0 -7 -- +7 Sensor output waveform
position Signal (-) B84 29 0 0 --
sensor Shield B84 54 0 0 --
Camshaft Signal (+) B84 7 0 -7 -- +7 Sensor output waveform
position Signal (-) B84 28 0 0 --
sensor Shield B84 54 0 0 --
Signal B84 5 0 -- 0.3 0.8 -- 1.2 --
Mass air
Shield B84 57 0 0 --
flow sensor
GND B84 53 0 0 --
Fully closed: 0.2 -- 1.0
Signal B84 6 --
Throttle Fully opened: 4.2 -- 4.7
position Power sup-
B84 21 5 5 --
sensor ply
GND B84 20 0 0 --
Front oxy- Signal B84 23 0 0 -- 0.9 --
gen sensor Shield B84 56 0 0 --
Rear oxy- Signal B84 24 0 0 -- 0.9 --
gen sensor Shield B84 56 0 0 --
Engine coolant tempera-
B84 22 1.0 -- 1.4 1.0 -- 1.4 After warm-up
ture sensor
"5" and "0" are repeatedly dis-
Vehicle speed sensor 2 B84 83 0 or 5 0 or 5
played when vehicle is driven.
Starter switch B84 86 0 0 Cranking: 8 to 14
ON: 10 -- 13 ON: 13 -- 14
A/C switch B84 60 --
OFF: 0 OFF: 0
Ignition switch B84 85 10 -- 13 13 -- 14 --
64
ON-BORAD DIAGNOSTICS II SYSTEM [T5A0] 2-7
5. Specified Data
Con- Signal (V)
Termi-
Content nector Ignition SW ON Note
nal No. Engine ON (Idling)
No. (Engine OFF)
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