Ford Falcon. Manual — part 296

310-02-8 Acceleration

Control 310-02-8

DIAGNOSIS AND TESTING (Continued)

Pinpoint Tests

PINPOINT TEST A : PEDAL "FEEL"

CAUTION: Tests to be carried out with the Engine not running.

Test Step

Result / Action to Take

A1

OBSTRUCTION AT APM

Inspect the APM for any obstructions such as carpet or a poorly fitted

Yes

floor mat.

Remove the obstruction and recheck. If problem
still exists, Go to PinPoint Test A2.

NOTE:

A Pedal end stop is built into the APM. It should be clear of

the carpet at all times.

No

Replace the APM. Refer to Removal and

Did you find an obstruction?

Installation instructions in this chapter.

A2

EXCESSIVE EFFORT REQUIRED

Very slowly apply the Pedal all the way to Full throttle.

Yes

Replace the APM. Refer to Removal and

Did the Pedal movement appear Rough or Sticking?

Installation instructions in this chapter.

No

Go to A3

A3

EXCESSIVE FORCE EVALUATION

Yes

Replace the APM. Refer to Removal and

Is Excessive force (greater than 4 kg) required to operate the

Installation instructions in this chapter.

Accelerator pedal?

No

Go to A5

A4

PEDAL RETURN TOO SLOW

Check if the Accelerator pedal is too slow in returning to the Idle

Yes

position.

Replace the APM. Refer to Removal and
Installation instructions in this chapter.

Did the pedal return to idle but too slowly (greater than 0.5
Seconds)?

No

Go to A5

A5

LIGHT PEDAL FEEL

Check to verify if the Accelerator pedal feel is too light.

Yes

Replace the APM. Refer to Removal and

NOTE:

Do not compare other vehicle model as the pedal efforts are Installation instructions in this chapter.

different from model to model

No

Is the force to initiate movement of the Accelerator pedal less

APM Operating correctly.

than1 kg force?

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310-02-9 Acceleration

Control 310-02-9

DIAGNOSIS AND TESTING (Continued)

PINPOINT TEST B : IDLE SPEED ISSUE

NOTE: Step 2, Engine running, Automatic transmission vehicle in Park, Manual transmission vehicle in

Neutral and Handbrake engaged.

Test Step

Result / Action to Take

B1

ENGINE SPEED TOO HIGH

Check for an obstruction that could be holding the Accelerator pedal

Yes

open.

Remove obstruction and recheck. If problem
remains, Go to B2.

Did you find an obstruction?

No

Go to B2

B2

PEDAL RETURN TO IDLE

Hold the Accelerator pedal down until the Engine speed is 2000 RPM

Yes

(vehicle tachometer).

APM idle speed return okay.

Release the Accelerator pedal and check the vehicles Tachometer for

No

the specified idle speed.

Carry out Check of the APM. Go to PinPoint
Test D.

Did the Engine RPM return to the specified speed at idle?

PINPOINT TEST C : ADJUSTABLE ACCELERATOR PEDALS ONLY

Test Step

Result / Action to Take

C1

NO ACCELERATOR RESPONSE - PART 1

Check to see if the electric wiring connector C-379 is connected to the

Yes

pedal adjust motor.

Go to C2

Is C-379 connected?

No

Reconnect the connector and retest.

C2

NO ACCELERATOR RESPONSE - PART 2

Check to see if the electric wiring connector C-395 is connected.

Yes

Go to C3

Is C-395 connected?

No

Reconnect the connector and retest.

C3

ADUSTMENT CABLE

Check the adjustment cable for jamming, crushed, twisted or caught

Yes

condition.

Remove the adjustment cable (Refer to Section
308-01). Grasp the inner cable to see if it turns

Did any of the above occur?

freely, if not replace the cable.

No

Go to C4(memory only-see note) or Go to C5
(non memory)

C4

STEP OVER HEIGHT CHECK PART 1

Measure the Step over height between the Brake and Accelerator

Yes

pedal.

Go to section 206-06 pinpoint test E.

Is the measured height distance more than 40mm?

No

Go to C5

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310-02-10 Acceleration

Control 310-02-10

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

C5

STEP OVER HEIGHT CHECK PART 2

Measure the Step over height between the Brake and Accelerator

Yes

pedal.

Rectify the pedal Indexing. Refer to procedure in
this chapter.

Is the measured height distance less than 30mm?

No

Step Over height okay, no further work required.

PINPOINT TEST D : ELECTRICAL CHECK

Test Step

Result / Action to Take

D1

WIRING TO APM

Carry out an inspection of the electrical connector C-317 between the

Yes

vehicle wiring harness and the APM.

Go to D2

Were the electrical connectors correctly, joined?

No

Re-attach electrical connectors and confirm that
the fault no longer exists.

D2

APM CONTINUITY CHECK

Disconnect the vehicle harness electrical connector from the APM.

Yes

Go to D3

Using a Multimeter check the continuity of the APM terminals as
outlined. Refer to resistance APM connector reference for terminal

No

layout.

Replace the APM. Refer to Removal and
Installation instructions in this chapter.

Were the readings to specification?

D3

VEHICLE CONNECTOR TO APM

Disconnect connector C-317.

Yes

APM circuit okay.

Ignition ON.

No

Carry out electrical checks by back probing the terminals housed in

Carry out testing of the faulty terminal / circuit.

connector C-317.

Consult the wiring diagrams.

Were the terminal input / outputs correct?

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310-02-11 Acceleration

Control 310-02-11

REMOVAL AND INSTALLATION

4. Remove accelerator pedal assembly by first

Accelerator Pedal and APM unit —

rotating and then pulling to side as shown.

Adjustable Pedals

CAUTION: When removing accelerator

Removal

pedal assembly keep accelerator adjustment

gearbox and accelerator mechanism aligned at

CAUTION: The adjustable pedal system must

all times.

be indexed whenever the brake pedal assembly or

the accelerator pedal assembly is serviced.
1. Remove pedal box from car. To remove pedal box

see section Section 206-06.

2. Remove accelerator gearbox screws.

5. Remove bolts / nuts to separate Carrier plate from

APM unit.

3. Remove pivot pin using flat head screwdriver.

Installation
1. Loosely reinstall the bolts / nuts to the Carrier

Plate and APM unit.

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