OTC Tools Code Scanner Manual Del Usuario página 33

Service manuals call this the "Output
State Check." You can turn on most of
the computer controlled relays and
solenoids except the fuel pump relay and
fuel injectors. This is helpful for checking
voltages, relay operation, etc. The
"output state check" is automatically
activated at the end of the normal Key
On Engine Off Self-Test procedure
(explained in Section 4).
1) Safety First!
• Set the parking brake.
• Put shift lever in PARK (automatic
transmission) or NEUTRAL (manual
transmission).
• Block the drive wheels.
2) Make Sure
Ignition Key
is in OFF
Position
3) Check Code
Scanner
Battery
• Refer to
Section 2.
4) Connect Code Scanner
• Refer to Section 3.
• Plug BOTH test connectors into the
Code Scanner!
5) Put Hold/Test Switch in HOLD
Position
6) Turn Ignition
Key to ON
Position but DO
NOT START
ENGINE
7) Put Hold/Test
Switch in TEST
Position
• Computer is
now running
normal Key
On Engine Off Self-Test.
WARNING: Stay away from electric
motor driven radiator fan. It may
turn on during this procedure.
8) Wait For End of All Service Code
Signals
• STO light on Code Scanner stops
blinking.
9) "Output State Check" is Now
Activated
• Fully depress
and release the
throttle. At this
time most of the
computer
controlled relays
and solenoids
(except fuel pump and fuel injectors)
will be energized.
NOTE: The STO circuit is also
energized, so the STO light on the
Code Scanner will turn on too!
• Repeat the action of depressing and
releasing the throttle. This will de-
energize the components (STO light
will turn off, also).
33
AUDIO
ON TEST
ST0
TM
OFF HOLD