DIAGNOSTIC PROCEDURE
LOW IDLE/STALLS DURING DECELERATION DIAGNOSTIC PROCEDURE TABLE
circuit malfunction (MT)
TR switch or related circuit malfunction (AT)
Improper A/C magnetic clutch operation
STEP
INSPECTION
RESULTS
ACTION
1
Does the engine idle
roughly?
Yes
Go to symptom
troubleshooting "No.8
Engine runs rough/rolling
idle".
(See
NO.8 ENGINE
RUNS
ROUGH/ROLLING
IDLE [LF]
.)
No
Go to the next step.
2
Turn off the A/C switch
and fan switch.
Does the A/C magnetic
clutch engage?
Yes
Go to symptom
troubleshooting "No.24
A/C is always on or A/C
compressor runs
continuously."
(See
NO.24 A/C IS
ALWAYS ON OR A/C
COMPRESSOR RUNS
CONTINUOUSLY
[LF]
.)
No
Go to the next step.
3
Verify the following:
Proper routing of
and no damage to
vacuum lines
No air leakage
from intake-air
system
Are all items normal?
Yes
Go to the next step.
No
Service if necessary.
Repeat Step 3.
4
Connect the M-MDS or
equivalent to the DLC-2.
Turn the ignition switch
to the ON position
(Engine off).
Retrieve any DTCs.
Yes
DTC is displayed:
Go to the appropriate
DTC inspection.
(See
DTC TABLE
[LF]
.)
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:10 PM
Page 58
© 2005 Mitchell Repair Information Company, LLC.
