Saab 900 Convertible Manuale utente

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PRODUCT INFORMATION

June

5,1997

Route

To: Service Manager

Subject:

Convertible Troubleshooting Guide

As part of the new training course, Convertible Top Adjustments and Updates

CNAA

Troubleshooting Guide was produced. Each technician attending this course received his/her

own copy of this document.

Enclosed is the final version of this Troubleshooting Guide for your dealership’s service library.

The information contained in this document is the latest and only information that should be

referenced when working on a

1995-

900 Convertible.

In conjunction with the publication of this Guide, several older bulletins have been supersed-

ed. Please make certain all superseded bulletins are deleted (crossed out/torn out) of your

PSI Supplements. The list of affected bulletins are:

PSI

08/94-0495

Programming Top Mechanism

(See new PSI

04/97-0758

which gives both

ISAT

and TECH 2 instructions)

PSI

09/94-0499

Adjustment of Tonneau Cover Latches

PSI

03/95-0554

Improvement to Operation of Top Stack Mechanism

(See new PSI

04/97-0753)

PSI

05/95-0570

Correcting Complaint of Water Leakage at Door Mirror

(See new PSI

04/97-0760)

PSI

10/95-0628

Adjustment of 5th Bow Latch Motor

PSI

02/96-0664

Customer Satisfaction Campaign 428

(See new PSI

04/97-0754)

PSI

02/96-0665

Addressing Customer Complaints of Water Leaks

(See new PSI

04/97-0755)

PSI

07/96-0693

Correcting Customer Complaint that Headliner at First Bow

is Loose or Hanging Down

(See new PSI

04/97-0756)

PSI 1

O/96-071

6 Installing New Fifth Bow Latch Motor Racks

All technicians who attended the training class will be receiving updated pages for their bind-

ers.

If you require additional copies of this Troubleshooting Guide, please contact a Product In-

formation Specialist at 770-279-6484 or 770-279-6324.

97-17

900 Convertible Top Troubleshooting Guide

TOPIC

Table of Contents

PAGE

Table of Contents

How to determine if Updates

Campaigns have been performed

Inoperative Top/Operational Problems/Unsatisfactory Performance

C-E

Squeaks

Rattles

Water Leaks

SID Messages

Miscellaneous Problems

BULLETINS INCLUDED IN THIS GUIDE:

PSI

04/97-0753

Improvement to Operation of Top Stack Mechanism

PSI

04/97-0754

Customer Satisfaction Campaign 428: Top Mechanism Quality

Improvement

PSI

04/97-0755

Addressing Customer Complaints of Water Leaks

PSI

04/97-0756

Correcting Customer Complaint that Headliner at First Bow is

Loose or Hanging Down

PSI

04/97-0757

New Procedure for Replacement of Convertible Top

PSI

04/97-0758

Programming Top Mechanism (Using

ISAT

or Tech 2)

MI 811-1758 Customer Satisfaction Campaign 450: Replacement of 5th Bow

Latch Motor Assembly (issued as PSI

04/97-0759

in early issues of Troubleshoot-

ing Guide)

PSI

04/97-0760

Addressing Complaint of Water Leaks from Area Around Door

Mirror

06/09/97

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

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.)

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”.

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

“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)

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:

Original M95 900 Top is “ASC”: rear window is glued in place

Later style Top is

“CT%

rear window is clipped in place.

06109197

900 Convertible Top Troubleshooting Guide

Inoperative Top/Operational Problems/Unsatisfactory Performance

(Note that problems are listed in order of top operating sequence, beginning with top fully raised)

PROBLEM

POSSIBLE CAUSE ACTION

Nothing happens when attempting

a. Top switch on center console

See page 1

to lower top (no movement at all,

defective

no noises, etc.) b. Fuse blown

c. Trunk bag raised?

First bow raises a few inches and Fifth Bow latch motor stuck or

in-

See page 1

stops

operative

Fifth bow raises all the way, then

a. Header Switches closed by

See pages 1

top stops other movement

dowel pin

5th bow potentiometer will not

reach high limit

c. Tonneau motor disengaged

Tonneau cover catches going up

Latch Adjustment

See page 4

“snaps” when opening

Grinding, ticking when tonneau Tonneau motor not fully engaged

See page 4

goes up

Top stops

l/Z

way when lowering

a. Missing 2nd bow drive link or See pages 5-6

the top 2nd bow binding on fabric

b. Programming

c. Main motor or 5th bow poten-

tiometer faulty

Top hesitates when lowering top a. Programming

Seepages6-7

b. 2nd bow catching on fabric

Rear window hits rear headrest

Programming See page 7

when lowering’ top

5th bow hits Tonneau cover

a. Programming

See page 7

hinges when lowering top

b. Tonneau motor drive shaft

twisted

First bow hits Tonneau cover

a. Programming

See page 8

when lowering top

b. Twisted Tonneau shaft

Bent Tonneau cover hinges

“Snapping” noise from rear as top Broken or missing stops on rear

See page 9

is being lowered into “boot” window

06/09/97

900 Convertible Top Troubleshooting Guide

Inoperative Top/Operational Problems/Unsatisfactory Performance

(Note that problems are listed in order of top operating sequence, beginning with top fully raised)

PROBLEM POSSIBLE CAUSE ACTION

Top gets caught on interior trim Early interior trim panel not cut at

See page 10

panel on way down

rear edge

Top won’t park low enough a. Main motor low limit See page 11-12

Side rail screws loose

Side rail laying on main motor

balance link bent

d. B-pillar hinge hitting main mo-

tors when top is lowered

Tonneau cover does not close all

Top not down all the way

See page 12

the way

Tonneau latches out of

adjustment

Tonneau motor drive shaft

twisted

SID does not beep when top is ful- a. SID incorrectly programmed

See page 12

ly lowered

Tonneau cover latch

micro-

switches not closing properly

First bow has white mark near First bow rubs on 5th bow latch

See page 13

“grab handle” motor cover

17 Tonneau cover catches going up

Latch Adjustment

See page 13

“snaps” when opening

Top stops or hesitates when

rais-

2nd bow is bent

flat steel piece

See page 14

ing the top

on the side of the drive link is bent

19 Grinding/ticking when raising top

Tonneau motor not fully engaged See page 15

Top does not go up (rise) evenly

Weak main motor See page 15

one side rises quicker than the

other

First bow slams header when rais- a. Top stops misadjusted

See Page 15

ing top (pin alignment ok)

b. Loose screws

First bow header pins do not

a. Top stops misadjusted

See page

15-l

reach guide holes in header

b. Shim adjustment

c. Loose screws

06/09/97

900 Convertible Top Troubleshooting Guide

Inoperative

Top/Operational Problems/Unsatisfactory Performance

(Note that problems

are listed in order of top operating sequence, beginning with top fully

raised)

First bow comes down on header

Top out of adjustment See page 16

crooked, straightens as 5th bow

latches

Access flaps won’t open (raise) 5th bow latcli motor jammed with

See page 16

when raising top

flaps may be latches closed or inoperative

broken off

25 Tonneau cover slams closed a. Tonneau cover catches on

fabric when closing

See pages 17

b. Tonneau cover latches not

aligned properly

c. Tonneau motor drive shaft

twisted

5th

Bow

won’t close properly

5th bow latch motor jammed

See page 18

b. Misaligned strikers

c. Incorrect programming?

SID does not beep when top is

SID

rncorrectly

programmed

See page 18

fully raised

b. 5th bow latch microswitches or

Tonneau cover latch

micro-

switches not closing properly

06/09/97

900 Convertible Top Troubleshooting Guide

Squeaks

Rattles

PROBLEM POSSIBLE CAUSE ACTION

Clicking/snapping noise from the Loose bolts at front side rail

See page 19

1st bow header

Rattle from “pull down” handle at

Incorrect fit

See page 19

center of 1 st bow

Rattle from tonneau cover with 5th 5th bow fabric rubbing on tonneau

See page 19

bow latched

Rattle at 2nd bow (above driver’s a. Incorrect cut at ends of 2nd

See page 20

or passenger’s head)

bow

b. Round rubber plug not inserted

in square rubber stop between 1st

and 2nd side rail

c. 2nd bow flipper rod rattling

Rattle from C-pillar area while

Bolts beneath 2nd side rail loose

See page 21

driving

Rattle in rear side trim area by rear Seat belt pretensioner tube

con- See page 21

speaker (only 1995 VIN up to

tatting

sheet metal

s7003000)

Creaking or rattling noise when Improper window rollers (must be

See page 21

raising front windows

lubricated)

Creaking or rattling noise while

Improper window rollers (must be

See page 21

driving down road

lubricated)

Squeaking noise from rear when Access flap lower surface rubbing

See page 21

driving with the top raised on 5th bow motor

06/09/97

900 Convertible Top Troubleshooting Guide

Water Leaks

PROBLEM POSSIBLE CAUSE ACTION

Leaks from header while driving a. Water coming in between

See page 22

(determine whether water comes header and front side rail seal

in while driving only, or while sitting

still)

Water coming in under header

seal (only while driving)

Water leaks at outside rear view a. Seal deformed or damaged

See page 22

mirror “bird beak” seal

Sheet metal not straight

(ver-

tical “bird’s beak” surface)

Leaks at A-pillar and B-pillar (side

Seals improperly adjusted

See page 22

windows wet inside)

SID Messages

PROBLEM POSSIBLE CAUSE ACTION

“Check Soft Top” while top is

oper-

See page 23

ating, top works O.K.

“Check Latches”

See page 22

“Check Trunk” See page 23

“Close Trunk Lid” See page 23

06/09/97

900 Convertible Top Troubleshooting Guide

Miscellaneous

PROBLEM

POSSIBLECAUSE

ACTION

DTC B1605, top works O.K.

See page 24

ACC does not switch to manual SID misprogrammed

See page 24

mode when lowering top

ACC does not switch to automatic Stuck

defective header switch

See page 24

mode when raising top

No convertible top SID messages SID misprogrammed

See page 24

Side rail seals drooping Side rail seal not secured

Seepage24-25

Trunk release button inoperative

a. Programming

See page 26

b. Is fuse 25 blown?

DTC

B1309

Potentiometer Fault

Variety of reasons

See page 26

06/09/97

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