900 Convertible Top Troubleshooting Guide
How to determine if Updates
&
Campaigns have been performed
The
following
chart
includes some quick visual checks you can make to determine if a
particular campaign or update has actually been performed on a 900 Convertible. Note
that this is not a guarantee that all of the steps of a particular PSI or campaign have
been performed.
Old
“19
Point”
Update, see revised PSI
04/97-0753
I
Right hand 5th bow latch motor microswitch should be disconnected (gone)
!
Check for proper ECM
-
you SHOULD NOT be able to raise the windows while the top is
being
raised. (ECM software version 0402 or higher.)
3
Look at header switches through opening in header
-
silver arm and pure white plastic
arm are early versions. Plastic arm on latest switch is an “off white color”.
1
The 5th bow potentiometer should have a “drive bracket” installed, and the potentiometer
arm should be approx.
3/8”
long
;
The 5th bow motor on the passenger’s side of the car should have a protective plate
installed over the gear, so the wiring harness can’t be damaged by the gear.
Service Campaign
#428,
see revised PSI
04/97-0754
I
“2nd bow drive link” installed
?
2 holes drilled in bottom of front door pockets. (1997 models have the holes drilled differ-
ently from the Factory.)
Customer Satisfaction Campaign
450,5th
Bow Latch Motor Update,
see MI 811-1758
(The 5th bow latch motor assembly has been updated as from VIN
V7010306
in Fac-
tory production)
1
Round plug in hole over 5th Bow Latch Motor
How to Determine Which Type of Top is Installed on the Convertible you are going
to work on:
1
Original M95 900 Top is “ASC”: rear window is glued in place
2
Later style Top is
“CT%
rear window is clipped in place.
B
06109197
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