Ford Falcon. Manual — part 420

501-10-13 Seating 501-10-13

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

C2

SEAT UPPER TRACK TO SEAT

Check the tightness of the nuts used to retain the seat tracks to the

Yes

seat cushion frame.

Go to C3

Were the nuts tight?

No

Tighted the nuts to 28

± 4 NM.

C3

SEAT TRACK CONDITION

Carry out a visual inspection using a torch of the seat track assembly

Yes

for any physical damage.

Remove the seat assembly and replace the seat
track assembly. Refer to removal and installation

Is damage evident?

instructions in this chapter .

No

Go to C4

C4

SEAT TRACK BALL BEARING CHECK

Using an assistant, grasp the seat backrest and move backwards and

Yes

forwards by hand to check for excessive movement.

Replace the track assembly. Refer to removal
and installation instructions in this chapter.

While the assistant is moving the seat backrest, use a torch to view
the seat tracks look for excessive movement between the upper and

No

lower rail.

Go to C5

NOTE:

Carry out this test in 3 positions of the seat, fully forward -

mid - fully back.

Did your see or feel excessive track movement in any of the 3
positions?

C5

SEAT ASSEMBLY GENERAL MOVEMENT - PART 1

Grasp the seat backrest and move backwards and forwards by hand

Yes

to check for excessive movement.

Remove the Two (2) plastic side covers and
tighten the bolts retaining the seat recliner to the

Is the recliner mechanism loose at the cushion frame?

cushion frame. 32

± 5 Nm.

No

Go to C6

C6

SEAT ASSEMBLY GENERAL MOVEMENT - PART 2

Using an assistant, grasp the seat backrest and move backwards and

Yes

forwards by hand to check for excessive movement.

Replace the fatigue affected assembly.

While the assistant is moving the seat backrest, using a torch to view

No

the under side of the seat to establish at what point the seat

The seat, frame and tracks appear to be Okay.

movement is happening.
Once the movement point is established check for signs of metal
fatigue.

Did you find any signs of metal fatigue?

PINPOINT TEST D : THE POWER SEAT DOES NOT MAKE FULL TRAVEL

Test Step

Result / Action to Take

D1

UNDER SEAT OBSTRUCTION

Check under the seat for an obstruction, such as floor mats, umbrella,

Yes

first aid kit etc.

Remove the obstruction and recheck seat
movement.

Did you find an obstruction that could cause the seat not to
travel the full movement?

No

Go to D2

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501-10-14 Seating 501-10-14

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

D2

SEAT TRACK OBSTRUCTION

Check in the seat tracks for an obstruction, such as a pen, pencil,

Yes

coins etc.

Remove the obstruction and recheck seat
movement.

Did you find an obstruction that could cause the seat tracks not
to travel the full movement?

No

Go to D3

D3

CHECK CIRCUIT CONTINUITY

Check for resistance between pot connector and module connector

Yes

for the effected motor.

If DTC 23 is active, replace Motor Sensor. If no
DTC replace seat module.

Track - measure between CON-8 pin 1 and pin 2, also CON-5
pin 3 and pin 4.

No

Front Lift - measure between CON-8 pin 3 and pin 4, also

Replace Harness. Refer to removal and

CON-5 pin 1 and pin 15.

installation instructions in this chapter.

Rear Lift - measure between CON-8 pin 7 and pin 8, also CON-5
pin 2 and pin 16

Is the difference between readings less than 5 ohms?

PINPOINT TEST E : THE PEDAL DOES NOT REMEMBER STORED POSITIONS

Test Step

Result / Action to Take

E1

MEASURE POTENTIOMETER CHANGE AT TWO

DIFFERENT PEDAL POSITIONS

Remove connector CON-3 and measure the potentiometer resistance

Yes

at CON-3 between pin 3 and pin 4. Reconnect CON-3 and move the

Replace APM. Section 206-06

pedal then remove connector CON-3 and re-measure.

No

Is the difference in resistance less than 20 ohm’s?

Replace Module. Refer to removal and
installation instructions in this chapter.

PINPOINT TEST F : THE POWER SEAT DOES NOT MOVE HORIZONTALLY/VERTICALLY

Test Step

Result / Action to Take

F1

CONTINUITY MOTOR TO MODULE

Measure the harness resistance between the motor and the module.

Yes

Go to F2

Track - measure between CON-7 pin 1 and CON-4 pin 9, also
CON-7 pin 2 and CON-4 pin 5.

No

Front Lift - measure between CON-6 pin 1 and CON-4 pin 4,

Replace Harness. Refer to removal and

also CON-7 pin 2 and CON-4 pin 11.

installation instructions in this chapter.

Rear Lift - measure between CON-7 pin 3 and CON-4 pin 2, also
CON-7 pin 4 and CON-4 pin 3.

Is the resistance less than 5 ohms?

F2

MEASURE MOTOR OUTPUT VOLTAGES

Disconnect each motor while measuring voltage push appropriate

Yes

switch.

Replace seat motor. Refer to removal and
installation instructions in this chapter.

Track - measure between CON-7 pin 1 and pin 2.
Front Lift - measure between CON-6 pin 1 and pin 2.

No

Go to F3

Rear Lift - measure between CON-7 pin 3 and pin 4.

Is the voltage more than 10 volts?

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501-10-15 Seating 501-10-15

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

F3

CHECK SWITCH FUNCTION

Connect a working switch pack to the harness and try to move the

Yes

seat horizontally and vertically.

Replace Switch pack. Refer to removal and
installation instructions in this chapter.

Did the seat move the effected motor?

No

Replace Seat module. Refer to removal and
installation instructions in this chapter.

PINPOINT TEST G : THE POWER SEAT DOES NOT RECLINE

Test Step

Result / Action to Take

G1

MOVEMENT CHECK FOR GOOD SWITCH PACK

Replace the switch pack with a known good switch and test if seat still

Yes

doesn’t recline.

Replace Switch pack. Refer to removal and
installation instructions in this chapter.

Did the recliner move?

No

Go to G2

G2

VOLTAGE CHECK FOR MOTOR

Measuring voltage on the motor pins in the backrest connector while

Yes

pushing the appropriate switch. Measure between CON-9 pin 1 and 2. Replace seat motor. Refer to removal and

installation instructions in this chapter.

Is the voltage more than 10 volts?

No

Go to G3

G3

CONTINUITY BACKREST CONNECTOR TO MODULE

Measure the harness resistance between:

Yes

Replace Seat module. Refer to removal and

CON-9 pin 1 to CON-10 pin 8.

installation instructions in this chapter.

CON-9 pin 2 to CON-10 pin 1.

No

Is the resistance less than 5 ohm’s?

Replace Harness. Refer to removal and
installation instructions in this chapter.

PINPOINT TEST H : THE POWER LUMBAR IS INOPERATIVE

Test Step

Result / Action to Take

H1

CONTINUITY CHECK SWITCH AND BACKREST

CONNECTOR TO MODULE

Measure continuity between CON-10 pin 5 and CON-10 pin 12 and

Yes

CON-10 pin 10 while operating the lumbar.

Go to H2

Is the resistance less than 5 ohm’s between pin 5 and one of the

No

other pins while Lumbar is being operated and open CCT when

Replace Switch pack. Refer to removal and

not being operated?

installation instructions in this chapter.

H2

VOLTAGE CHECK FOR MOTOR

Measuring voltage on the motor pins in the lumbar connector while

Yes

pushing the appropriate switch.CON-9 pins 3 and 8.

Replace motor. Refer to removal and installation
instructions in this chapter .

Is the voltage more than 10 volts?

No

Go to H3

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501-10-16 Seating 501-10-16

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

H3

MEMORY BUTTON MOVEMENT CHECK

Measure the harness resistance between:

Yes

Replace Harness. Refer to removal and

CON-9 pin 3 and CON-10 pin 7

installation instructions in this chapter.

CON-9 pin 8 and CON-10 pin 2

No

Did the lumbar move?

Replace Seat Module. Refer to removal and
installation instructions in this chapter.

PINPOINT TEST I : MEMORY RECALL IS INOPERATIVE

Test Step

Result / Action to Take

I1

CONTINUITY FROM POTENTIOMETER FEEDBACK TO

MODULE

Measure the harness resistance between the Potentiometer and the

Yes

module.

If any DTC from 21 to 26 is set replace the pot
otherwise. Go to I2.

Track - CON-5 pin 3 and 4.
Front Lift - CON-5 pin 1 and 15.

No

Replace Harness. Refer to removal and

Rear Lift - CON-5 pin 2 and 16.

installation instructions in this chapter.

Recliner - CON-10 pin 4 and 6.

Lumbar - CON-10 pin 3 and 9.

Is the resistance in the range specified by the connector
measurement chart?

I2

CHECK BUTTON BOARD

Push all 3 memory buttons one at a time.

Yes

Replace seat Module. Refer to removal and

Did chime sound and seat NOT move?

installation instructions in this chapter.

No

Replace Button Board. Refer to removal and
installation instructions in this chapter.

PINPOINT TEST J : PRIORITY RECALL INOPERATIVE

Test Step

Result / Action to Take

J1

CONTINUITY FROM BODY INTERFACE TO MODULE

Measure the harness resistance between:

Yes

If DTC 13 or 14 is set problem is with the BEM (

CON-2 pin 8 and CON-5 pin 5.

Section 419-10) else replace seat module. Refer

CON-2 pin 9 and CON-5 pin 6.

to removal and installation instructions in this
chapter.

Is the resistance less than 5 ohms?

No

Replace Harness. Refer to removal and
installation instructions in this chapter.

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