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7) Have your pencil and paper ready.
8) Write down all displayed Trouble
Codes.
9) This completes
trouble code
retrieval on these
vehicles. Turn
ignition key OFF.
(The computer will automatically
return to normal operation.)
10)IMPORTANT: Turn
the Diagnosis Mode
Selector to its initial
position (setting) as
marked in Step 1 of
the test procedure.
Look up the code definitions listed in
Section 12, "Nissan Code Meanings,"
At this point you can either:
• Have your vehicle professionally
serviced. Trouble codes indicate
problems found by the computer.
or,
• Repair the vehicle yourself using
trouble codes to help pinpoint the
problem. Refer to Section 3, "Using
Codes." Be sure to erase any trouble
codes from the computer's memory
after repairs are completed, as
indicated below.
11)Turn the ignition
switch ON, but
do not start the
engine.
12)Turn the
Diagnosis Mode
Selector fully
CLOCKWISE.
13)Observe the RED and GREEN
LED's. They will flash sequentially 1
through 5 (1 flash = Mode 1, 2
flashes = Mode 2, etc.).
14)When Mode 3 (Trouble
Codes) has been
reached, as indicated
by 3 flashes, immedi-
ately turn the
Diagnosis Mode Selector fully
COUNTERCLOCKWISE.
15)Allow all stored Trouble Codes to
flash.
ORIGINAL
PENCIL MARK
16)Turn the Diagnosis
Mode Selector fully
CLOCKWISE once
again.
17)Observe the RED and GREEN
LED's. They will flash sequentially 1
through 5 (1 flash = Mode 1, 2
flashes = Mode 2, etc.).
18)When Mode 4 (Erase Codes) has
been reached, as indicated by 4
flashes, immediately
turn the Diagnosis
Mode Selector fully
COUNTERCLOCK-
WISE.
19)Turn the ignition
key OFF. (The
computer will
automatically
return to normal
operation.)
Trouble Codes are now erased!
20)IMPORTANT: Turn
the Diagnosis Mode
Selector to its initial
position (setting) as
marked in Step 1 of
the test procedure.
NOTE: When reinstalling the computer,
be careful to route all wiring to its
original position.
ORIGINAL
PENCIL MARK
67
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