Ford Falcon. Manual — part 295

310-02-4 Acceleration

Control 310-02-4

DIAGNOSIS AND TESTING

Acceleration Control

Mechanical

Electrical

Accelerator Pedal

Fuse(s)

Inspection and Verification

Accelerator pedal pad

Relay(s)

Adjustment

Wiring harness

1. Verify the customer concern.

mechanism

Electrical connector(s)

2. Visually inspect for obvious signs of mechanical

Fuel injection pump

or electrical damage.

Accelerator pedal

position sensor

APM

MSC

PCM

3. If an obvious cause for an observed or reported

concern is found, correct the cause (if possible)

before proceeding to the next step.

4. If the cause is not visually evident, verify the

symptom and refer to Symptom Chart.

Symptom Chart

Symptom Chart

Condition

Source

Action

Excessive Effort Required Too

Pedal Binds

Go to PinPoint Test A

Depress Accelerator Pedal

Foreign Object Effecting the APM

Go to PinPoint Test A

Worn or Damaged APM

Go to PinPoint Test A

APM Return Spring Damaged

Go to PinPoint Test B

Engine Idle Speed Higher Than

Incorrect Signal from APM

Go to PinPoint Test B

Specification

PCM Issue

Refer to PCM Diagnosis Section.

Accelerator Pedal Does Not Return

APM Return Spring Damaged

Go to PinPoint Test B

Freely

Foreign Object Caught in the APM

Go to PinPoint Test A

No Engine Response when

APM Electrical Connection

Go to PinPoint Test D

Accelerator Pedal Pushed

PCM Issue

REFER to Section 303-14.

APM Faulty

Go to PinPoint Test D

Unable to Adjust the Accelerator Pedal

APM Electrical Connection

Go to PinPoint Test D

Faulty Potentiometer (memory only)

Go to PinPoint Test D

Memory settings Incorrect (memory

Go to PinPoint Test D

only)

Adjustment Cable

Go to PinPoint Test C

Accelerator and Brake Pedal "step

Adjustment Issue

Go to PinPoint Test C

over" (height difference) Incorrect

Symptom Chart -(For adjustable pedal box only)

Condition

Source

Action

CHECK the connection between the

Unable to adjust the accelerator pedal

Unconnected Adjustment motor

motor and the MSC

Disengaged adjustment gear box in

RECONNECT adjustment gear box

the carrier plate

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310-02-5 Acceleration

Control 310-02-5

DIAGNOSIS AND TESTING (Continued)

Condition

Source

Action

Faulty Potentiometer (Memory Pedal

REPLACE

potentiometer

Box Only)

Incorrect memory settings (Memory

RESET

memory

Pedal Box Only)

Step over between brake pedal and

Refer to Assembly and Disassembly of

Incorrect-adjustment

accelerator pedal

Accelerator Pedal Indexing.

NOTE: Do not run to stall on the accelerator

transmission. Unit is designed to stall through brake

transmission.

Connector Circuit Reference

CONNECTOR C - 395 PEDAL BOX HARNESS
NOTE: Depending on the vehicle level some of the terminals listed below will be blank. High series connector

shown. Values given are with connector C-395 connected, ignition on and back probing the terminals.

Pin Number(s)

Circuit Designation/Description

Normal Condition/Measurement

1

10AB (Green/Red)

12 - 14 Volts

Brake and Cruise switch (High)

2

1489 (Red)

Using adjustment switch - Centre =0 Volts,

Pedal adjusting motor - A

Upwards = 12-14 Volts. Downwards = 0.1 Volt

3

1490 (White)

Using adjustment switch - Centre =0 Volts,

Pedal adjusting motor - B

Upwards = 0.1 Volt. Downwards = 12-14 Volts

4

57 H (Black) Clutch switch

N/A

5

511 (Blue/Green)

12-14 Volts (Brake pedal pushed - 0 Volts)

Cruise control deactivation switch -

signal

10Y (Green/Red)

0 Volts (Brake pedal pushed - 12-14 Volts)

Brake switch - signal

1491 (White)

N/A

Pedal position sensor - B

1491A (Blue/Yellow)

N/A

Pedal position sensor - A

BLANK

92 (Blue/Yellow)

N/A

Clutch switch - signal

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310-02-6 Acceleration

Control 310-02-6

DIAGNOSIS AND TESTING (Continued)

CONNECTOR C - 379 PEDAL ADJUSTMENT MOTOR
NOTE: Ignition to be "ON" for Voltage Tests.

Pin Number(s)

Circuit Designation/Description

Normal Condition/Measurement

1

1489 (R), 1494 (L)

Voltage less than 2 Volts

2

1490 (W), 1495 (R)

Voltage less than 2 Volts

CONNECTOR C - 317 HARNESS TO APM
NOTE: Voltage values with the connector C-317 disconnected. Ignition On.

Pin Number(s)

Circuit Designation/Description

Normal Condition/Measurement

1

EMPTY

2

3011 (B-O)

0 VOLTS

GROUND

3

3835 (Y-W)

0 VOLTS

PPS1 OUT

4

3837 (GR-Y)

0 VOLTS

GROUND

5

3015 (W-R)

0 VOLTS

PPS3 OUT

6

3010 (BR)

5 VOLTS

VREF (+)

7

3836 (Y-L)

5 VOLTS

VREF (+)

8

3012 (W)

0 VOLTS

PPS2 OUT

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310-02-7 Acceleration

Control 310-02-7

DIAGNOSIS AND TESTING (Continued)

APM CONNECTOR TERMINALS
NOTE: To remove this connector from the APM, pull the Red plastic tab upwards, then use a small flat blade

screw driver between the Red tab and connector body to push a retainer inwards. Remove connector gently

away from the APM Turn the Ignition Off.
DO NOT move throttle pedal while measuring continuity.

APM Resistance Reading from Pin to Pin

Pin Number(s)

Circuit

Closed Throttle

Wide Open Throttle

Designation/Description

1-2

Terminal 1 and 2

1.9 k

Ω

1.2 k

Ω

1-3

Terminal 1 and 3

6.2

Ω

6.2

Ω

1-5

Terminal 1 and 5

2.5 k

Ω

3.0 k

Ω

1-6

Terminal 1 and 6

1.3 k

Ω

1.3 k

Ω

1-7

Terminal 1 and 7

1.7 k

Ω

1.3 k

Ω

1-8

Terminal 1 and 8

2.1 k

Ω

2.8 k

Ω

2-3

Terminal 2 and 3

1.8 k

Ω

1.2 k

Ω

2-5

Terminal 2 and 5

3.6 k

Ω

3.6 k

Ω

2-6

Terminal 2 and 6

1.0 k

Ω

1.8 k

Ω

2-7

Terminal 2 and 7

1.0 k

Ω

1.8 k

Ω

2-8

Terminal 2 and 8

2.1 k

Ω

3.7 k

Ω

3-5

Terminal 3 and 5

2.5 k

Ω

3.0 k

Ω

3-6

Terminal 3 and 6

1.3 k

Ω

1.3 k

Ω

3-7

Terminal 3 and 7

1.3 k

Ω

1.3 k

Ω

3-8

Terminal 3 and 8

2.1 k

Ω

2.8 k

Ω

5-6

Terminal 5 and 6

3.0 k

Ω

2.5 k

Ω

5-7

Terminal 5 and 7

3.0 k

Ω

2.5 k

Ω

5-8

Terminal 5 and 8

4.5 k

Ω

4.8 k

Ω

6-7

Terminal 6 and 8

3.0 k

Ω

3.0 k

Ω

6-8

Terminal 6 and 8

3.0 k

Ω

2.7 k

Ω

7-8

Terminal 7 and 8

3.0 k

Ω

2.7 k

Ω

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