Between coil
terminal B and
instrument cluster
terminal 2Q
Is there any
malfunction?
7
Inspect the following
wiring harnesses and
connectors:
Between PCM
terminal 1AM
and instrument
cluster terminal
1J
Between PCM
terminal 1AI and
instrument cluster
terminal 1L
Is there any
malfunction?
Yes
Repair or replace the suspected
wiring harness and connector.
No
Go to the next step.
8
Verify the following:
Vacuum
connection
External fuel shut
off or accessory
(such as kill
switch, alarm)
Fuel quality:
proper octane,
contamination,
winter/summer
blend
No air leakage
from intake-air
system
Intake-air system
restriction (such
as air cleaner
element, fresh air
Yes
Go to the next step.
No
Service if necessary.
Repeat Step 9.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:09 PM
Page 40
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