Ford Falcon. Manual — part 439

501-17-9 Sunroof 501-17-9

DIAGNOSIS AND TESTING (Continued)

Condition

Source

Action

Sunshade fails to open when glass

Retraction mechanism broken.

Replace retraction mechanism.

panel is opened to tilt position.

Operating of the sunroof is possible,

Voltage-drop of power supply

Check power-supply Reset

no auto-close, no Soft-touch.

(changing battery or bad battery).

programmable preset positions.

Clicking noises of CSU, panel not

Voltage to low.

Check power-supply/battery.

sliding.

CSU clicking in open position, roof

Cut off power-supply briefly (pull fuse),

Voltage-drop or power-supply.

does not close with continuous

reset programmable positions.

pressing of button.

Pinpoint Tests

PINPOINT TEST A : SUNROOF NOT OPERATING CORRECTLY

Test Step

Result / Action to Take

A1

PANEL OPERATION

Turn the ignition switch on.

Yes

Go to A2

Does the panel move when holding switch pressed?

No

Go to A9

A2

PANEL DIRECTION

Yes

Does the panel move in both directions?

Go to A3

No

Go to A14

A3

PANEL TILTING

Yes

Is panel tilting and sliding possible?

Go to A4

No

Go to A20

A4

SOFT TOUCH OPERATION

Yes

Is soft touch operational?

Go to A5

No

Re-program preset stops and retest sunroof.

A5

AUTO-CLOSE FUNCTION

Yes

Is the auto close function working?

Go to A6

No

Go to A11

A6

COMFORT POSITION

Yes

Is the comfort position working?

Go to A6

No

Replace Sunroof control unit and retest.

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501-17-10 Sunroof 501-17-10

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

A7

ONE-WAY CLOSING

Yes

Is the one-way closing function working?

Go to A8

No

Replace Sunroof control unit and retest.

A8

MOTOR OPERATION

Yes

Does the motor stop, SCU click in and position to max slide and

Sunroof O.K.

max position?

No

Replace Sunroof control unit and retest.

A9

SCU OPERATION

Yes

Does the SCU make a ’click’ sound?

Go to A10

No

Go to A12

A10

MOTOR

Yes

Is the motor running properly?

Solve mechanical failure and retest.

No

Go to A20

A11

POWER ON RED/BLACK WIRE

Yes

Is the power over red/black wire when the ignition is switched?

Replace Sunroof control unit and retest.

No

Improve red/black connection and retest.

A12

WIRE VOLTAGE CHECK

Yes

On the SCU, does the red, red/black and green wires measure

Go to A13

12V?

No

Go to A15

A13

RED/BLACK WIRE VOLTAGE

Yes

Is the red/black power line 12V when body is grounded?

Go to A14

No

Go to A16

A14

SWITCH CHECK

Yes

Does the switch appear to be O.K?

Go to A17

No

Replace the switch and retest.

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501-17-11 Sunroof 501-17-11

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

A15

SCU POWER LINE VOLTAGE

Yes

Does the SCU power line measure 12V when the body is

Improve ground wire connection and retest.

grounded?

No

Go to A18

A16

FUSE 15A CHECK (MOBILE OFFICE)

Yes

Is fuse 15A O.K?

Go to A19

No

Replace fuse 10A and retest.

A17

WIRE HARNESS CHECK

Yes

Is the wire harness O.K.?

Replace Sunroof control unit and retest.

No

Replace wire harness and retest.

A18

FUSE 30A CHECK (SEAT)

Yes

Is fuse 30A O.K?

Go to A19

No

Replace fuse 20A and retest.

A19

WIRE HARNESS CHECK

Yes

Does the wire harness appear to be O.K.?

Improve power line connection and retest.

No

Replace wire harness and retest.

A20

POWER ON RED WIRE

Yes

Is there sufficient power supply over the red wire when operating

Replace the motor and retest.

the switch?

No

Improve red wire connection and retest.

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501-17-12 Sunroof 501-17-12

GENERAL PROCEDURES

6. Adjust the glass panel to the front. Check with for

Sunshade Check

example a business card the tension of the seal

1. Slide mechanism full backwards.

against the trim ring at the rear.

2. Push sunshade retraction mechanism, on both

7. Tighten both center screws.

sides, completely forwards with a small

8. Adjust height at the front and tighten front screws.

screwdriver.

9. Adjust height at the rear by loosening torx screws

of the adjustment curve, adjust the glass level

with roof-skin and tighten screws (see figure 12).

Torque for all M5 screws is 3.5 Nm.

3. Check sunshade for curvature, headlining, for dirt,

damage, etc.

4. Push slide blocks on one side into locked position.
5. Place sunshade in position between slide rails,

10. Check functioning of mechanism and

unlock slide blocks.

adjustments. Repeat operation 6 till 9 to readjust

6. Check for proper functioning.

the glass panel if necessary.

Glass Panel Adjustment

Glass Panel Seal Adjustment

1. Slide mechanism to tilt position.

The proper positioning of the panel should result in

the seal firmly contacting either the EPDM trim ring or

2. Inspect rubber seal and glass panel for damage.

flanged metal of the sunroof opening. If the panel fits

3. Place the height adjustment curve, (which is at

properly but gaps remain between seal and trim ring it

the rear of the glass panel), over the mechanism.

can be corrected as follows:

Place vertical front lips on panel between the RH

1. Adjust panel properly against the rear of the trim

and LH mechanisms.

profile (Refer to Final Assembly and Adjustment

4. Lift the mechanism mounting bracket from the

Section).

inside and install the 2 front and 2 center screws,

2. With a grease pencil mark the boundaries of

leaving the 4 screws untightened.

insufficient contact on the panel (at the front).

5. Put glass panel in closed position.

3. Remove

panel.

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