Mazda MX-6 1998, Руководство по ремонту

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TROUBLESHOOTING [ENGINE CONTROL KL]
I
DIAGNOSTIC TEST MODE
PID/DATA MONITOR AND RECORD
ACTIVE COMMAND MODES
DIAGNOSTIC TROUBLE CODE LIBRARY
SELECT ITEM ANO PRESS TRIGGER TO START
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5. Move the OUTPUT TEST MODE. Press the
trigger key to enter this selection.
6. Press MODE (Key #3) repeatedly to change the
mode from ALL ON to LOW FAN, HIGH FAN,
and ALL OFF. Return the mode to ALL ON.
7. Press START (Key #4) to run the fuel pump.
Press STOP (Key #4) to turn off the fuel pump.
8. To open and close certain actuators in the
emission system, press PIDS (Key #7).
9. Press CLEAR (Key #5) to clear previous selected
PIDS.
Note
• To select desired PIDs, place the shaded bar
over the item(s) and press trigger. A star
symbol appears next to the item when it’s
selected. Press
START (Key #7). The
selected PID(s) and values appear.
• You can only select 30 PIDs at a time.
10. Press START (Key #4) to turn on the fuel pump.
Observe the values change from OFF to ON or
from 0% to 100%. Press STOP (Key #4) to turn
off the fuel pump.
11. Press CANCEL.
Oxygen Sensor Monitoring Test Results Access
Procedure
Note
• The Oxygen Sensor Monitoring Test Results
allows access to on-board oxygen sensor fault
limits and actual values during OBD II drive
mode.
1. Perform the “ New generation star (NGS) tester
hook-up procedure.”
2. Select VEHICLE AND ENGINE SELECTION.
3. Select NEW VEHICLE YEAR & MODEL. Select
year, engine, model with appropriate qualifier, if
needed. (Refer to Retrieving DTCs Procedure.)
4. Turn key on.
5. Move cursor to GENERIC OBD II FUNCTIONS.
Press trigger to enter this selection.
6. Select OXYGEN SENSOR TESTS. Press trigger.
7. Select MANUFACTURING SPECIFIC TEST ID.
Press trigger.
8. Scroll up to the test number (41H) and press
trigger.
OBD II Drive Mode
• To complete the OBD II system check, following
drive mode procedure must be performed.
Caution
•
When this procedure is carried out, be
sure to drive the vehicle at the lawful
speed and pay attention to the other
vehicles. When the NGS tester is used to
check the vehicle speed while driving, be
sure to have another worker on the
passenger seat, or record the data in the
tester by the using the “PID/DATA
MONITOR AND RECORD” function and
check later.
N o te
• Vehicle speed and engine speed detected by
the PCM may differ from that indicated by the
speedometer and the tachometer. Check the
vehicle speed and engine speed during driving
mode by using the NGS tester.
• If the OBD II system check is not completed
while the drive mode procedure carried out,
the OBD II system may have detected the
malfunction.
• The vehicle shold cold soak for at least 8
hours before performing the evaporative
system check.
P ro c e d u re
1. Connect NGS tester to data link connector.
2.
Start engine.
3.
Drive vehicle and accelerate to
6 5
km/h
{4 0
mph}
within 20 seconds.
4.
Fix throttle opening and drive vehicle at
5 6 — 73
km/h
{3 5
—
45
mph} for
3 4 0
seconds.
5. A c c e ra te to 8 0 — 93 km /h {5 0 — 58 m p h } (K L M T X ),
8 0 — 96 km /h {5 0 — 60 m p h } (K L A TX ) w ith in 10
se co n d s.
6.
Fix throttle opening and drive vehicle for at least
2
minutes.
7.
Return to idle
2 0
seconds.
8. Stop vehicle and perform OBD II system check by
using “ON BOARD SYSTEM READINESS” mode
of ganeric OBD II function.
9.
If supported test is not complete, repeat steps
2
to
step 8.
INO VE HI CLE SE LE CTED
M
D E S E L E C T ^ RRENT MODEL Ü
SELECT ITEM AND PRESS TRIOOER TO START
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01-01B -6