Ford Falcon. Manual — part 84

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Anti Lock Control

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DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

E2

CHECK VOLTAGE AT THE ECU CONNECTOR -

TERMINAL 15

Check the voltage at terminal 15 (Check voltage across each terminal

Yes

to ground)

Go to E3

Is the voltage at terminals 15 constant battery voltage with

No

ignition ON?

Check corresponding fuses, wiring connections
and looms for open circuits or shorts to ground.
Be sure to wiggle the wiring whilst testing and
repair as required - Clear the DTC - Go to
ABS/TCS Diagnostic Procedure Table

E3

CHECK CONTINUITY AT THE ECU CONNECTOR -

TERMINAL 16 & 19

Check the resistance at terminals 16 & 19 (Check resistance between

Yes

each terminal and ground)

Repair as required - Clear the DTC - Go to
ABS/TCS Diagnostic Procedure Table

NOTE:

I. The ABS/TCS Modulator Assembly contains no

serviceable items

No

Clear the DTC - Go to ABS/TCS Diagnostic

NOTE:

II. Under no circumstances is the ABS/TCS Modulator

Procedure Table

Assembly to be dismantled or a repair attempted.

or
If this is the second time that you have reached

Is there a high resistance or open circuit between terminals 16 &

this point (i.e. the same DTC has reappeared

19 and ground?

after the first cycle of diagnostics/repair and the
and no faults were found) then the ECU may be
faulty. Replace the ABS/TCS modulator and
return to ABS/TCS Diagnostic Procedure Table
to confirm the repair.

PINPOINT TEST F : COMMUNICATIONS FAULT

Test Step

Result / Action to Take

F1

WDS CONNECTION

Yes

Is the WDS properly plugged into the diagnostic connector? - Is

Go to ABS/TCS ECU CONNECTOR - FITMENT

the WDS properly connected to the power supply? - Is the

below

correct vehicle selected?

No

Rectify and return to DIAGNOSTIC
PROCEDURE - PART A

F2

ABS/TCS ECU CONNECTOR - FITMENT

Yes

Is the ABS/TCS connector free from damage and corrosion and

Go to ABS/TCS ECU CONNECTOR -

is it properly connected?

CIRCUITS below

No

Rectify and return to DIAGNOSTIC
PROCEDURE - PART A

F3

ABS/TCS ECU CONNECTOR - CIRCUITS

Yes

Remove the ABS/TCS connector. Are all the terminal voltages

Go to WDS below

and resistances within specification?

No

Check corresponding fuses, wiring connections
and looms for open circuits or shorts to ground.
Be sure to wiggle the wiring whilst testing -
Rectify and return to DIAGNOSTIC
PROCEDURE - PART A

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Anti Lock Control

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DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

F4

WDS

Yes

Can the WDS establish communications with the ABS/TCS on

If no other fault is found, the fault may be within

another vehicle?

the ABS/TCS ECU. Replace the ABS/TCS
modulator and return to ABS/TCS Diagnostic
Procedure Table to confirm the repair.

No

The WDS is faulty. Use another WDS and return
to DIAGNOSTIC PROCEDURE - PART A

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Anti Lock Control

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REMOVAL AND INSTALLATION

Rear ABS sensor — IRS

4. Remove ABS-Knuckle Screw behind the Rotor.

Removal
1. Remove lower rear seat cushion.

5. Remove

ABS

Sensor.

2. Disconnect the ABS wheel sensor plug and push

it and the grommet through the floor plan.

Installation
1. Locate ABS Sensor to Knuckle using

ABS-Knuckle Screw.

2. Torque ABS-Knuckle Screw to 8.9 - 12.1 Nm.

3. Unclip Firtree Clip connecting ABS Sensor with

Control Blade. Feed ABS Sensor Cable through

hole in Control Blade.

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Anti Lock Control

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REMOVAL AND INSTALLATION (Continued)

3. Feed ABS Sensor Cable through hole in Control

6. Refit lower seat cushion.

Blade.

ABS Wheel Speed Sensor — Rear

4. Affix Firtree Clip to ABS Sensor Cable and clip to

the Control Blade as shown.

(Beam Axle)

Removal
1. Remove the rear seat cushion. Refer to section

501-10.

2. Disconnect the ABS wheel sensor. Plug and push

it and the grommet through the floor plan.

5. Reconnect wiring plug and fit grommet.

Item

Description

1

ABS Wheel Sensor Plug

2

Grommet

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