poor connection?
22
INSPECT ROOF MOTOR
Inspect the both side roof motor hall
sensors on both side. (See
ROOF
MOTOR INSPECTION
.)
Are both roof motors normal?
Yes
Go to the next step.
No
Replace the suspected roof motor. (See
ROOF MOTOR
REMOVAL/INSTALLATION
.)
23
INSPECT ROOF MOTOR HALL
SENSOR
Measure the pulse profiles for the
following power retractable hardtop
control module (24-pin) while the
roof is operating using the
oscilloscope.
Terminal 1I (right side roof
motor hall sensor)
Terminal 1M (left side roof
motor hall sensor)
Is the pulse profile normal? (See
POWER RETRACTABLE
HARDTOP CONTROL MODULE
INSPECTION
.)
Yes
Go to the next step.
No
Replace the suspected roof motor. (See
ROOF MOTOR
REMOVAL/INSTALLATION
.)
24
INSPECT POWER RETRACTABLE
HARDTOP LINK MECHANICS
Inspect the roof link mechanics.
Does the roof operation stop during
open or close operation?
Yes
Repair or replace the malfunctioning part.
No
Go to the next step.
25
INSPECT POWER RETRACTABLE
HARDTOP SWITCH
Remove the power retractable hardtop
switch.
Measure the resistance between
power retractable hardtop switch
connector (component side) terminals
A and F.
Is the resistance normal?
Power retractable hardtop (open) switch
pressed: 0.99-1.01 kohms
Power retractable hardtop (close) switch
Yes
Go to the next step.
No
Replace the power retractable hardtop
switch. (See
POWER RETRACTABLE
HARDTOP SWITCH
REMOVAL/INSTALLATION
.)
2007 Mazda MX-5 Miata Sport
2007 ACCESSORIES & BODY, CAB Symptom Troubleshooting (Power Retractable Hardtop) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:25:58 PM
Page 23
© 2005 Mitchell Repair Information Company, LLC.