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Harley Davidson Softail Delux FLSTN BIKE 2011-2015. Electrical Diagnostics - page 17

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em00819

ABS Module

Battery

R

B

20

11 10 9

7

6

4

2

1

[166A]

Main

20

11 10 9

7

6

4

2

1

[166B]

40A

A

Fuse

[64B]

Block

Front HCU

R

BK

D

D

O/GY

C

C

O/R

B

B

O/GN

A

A

[254B] [254A]

Battery

Power

Rear HCU

BK

D

D

O/W

C

C

O/V

B

B

O/Y

A

A

[255B] [255A]

GND 2

Figure 7-12. HCU Schematic

DTC C1018, C1042, C1224

5. Is continuity present?

a. Yes. Repair short to ground on (O/R) wire.

PART NUMBER

TOOL NAME

b. No. Go to Test 2.

HD-41404

HARNESS CONNECTOR TEST KIT

2. Internal Power Circuit Short to Voltage

HD-48642

ABS BREAKOUT BOX

Test

1. Turn IGN ON.

Table 7-2. DTC C1018, C1042, C1224 Diagnostic Faults

2. Test voltage between BOB terminal 1 and ground.

POSSIBLE CAUSES

3. Is battery voltage present?

Open or high resistance on the front HCU ground circuit

a. Yes. Repair short to voltage on (O/R) wire.

Open or high resistance on front HCU power circuit

b. No. Go to Test 3.

Short to ground on the front HCU power circuit

Short to power on HCU circuit

3. Ground Circuit Test

1. Front HCU Internal Power Circuit Short

1. Turn IGN OFF.

to Ground Test

2. Remove main fuse [64B].

1. Turn IGN OFF.

3. Test resistance between [254B] terminal D (BK) wire and

ground.

2. Disconnect front HCU [254].

4. Is resistance less than 0.5 Ohm?

3. Connect ABS BREAKOUT BOX (Part No. HD-48642) to

wire harness [166B], leaving ABS module [166A] discon-

a. Yes. Go to Test 4.

nected. See 1.2 DIAGNOSTIC TOOLS.

b. No. Repair open or high resistance in (BK) wire.

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between BOB terminal 1 and

ground.

7-6 2013 Softail Diagnostics: ABS

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DTC C1021,

C1023

7.3

DESCRIPTION AND OPERATION

ed03462

The active WSS is supplied system voltage from the ABS

3

4

5

module. The sensor then returns a 7 mA or 14 mA signal back

2

6

7

1

to the ABS module.

Table 7-4. Code Description

8

DTC

DESCRIPTION

C1021

Front wheel speed sensor always = 0

C1023

Rear wheel speed sensor always = 0

ed03294

3

2

4

1

9

11

10

1. ECM

2. ECM [78-2]

3. ECM [78-1]

4. Purge solenoid [95] (back side of purge

solenoid)

1. Head lamp [38]

5. Security siren

2. Front WSS [167]

6. BCM

3. Instruments [20]

7. BCM [242] (back side of BCM)

4. Left hand control [24]

8. Security siren [142]

Figure 7-13. Under Fuel Tank Left Side

9. Rear WSS [168]

10. ABS [166]

11. ABS ECU

ed03309

Figure 7-15. Electrical Panel: FXSB

1

2

Conditions for Setting the DTC

The DTC will set if the frequency of the wheel speed input goes

above 2.5kHz for 20 milliseconds.

4

DTC C1021 or C1023 can set if the following conditions exist

in the low WSS circuit:

•

The wheel speed of one wheel is greater than 5 mph (8

km/h) for 2.5 seconds while the other wheel is 0 mph (0

km/h) with no brake switch input.

•

Dynamometer testing.

3

•

WSS fault or malfunction.

1. BCM

•

ABS ECU fault or malfunction.

2. Rear WSS [168]

•

Incorrect or worn bearing assembly.

3. Security siren [142]

4. Rear tire

Action Taken When the DTC Sets

Figure 7-14. BCM: Except FXSB

•

The ABS module disables the ABS.

•

The ABS indicator is illuminated.

2013 Softail Diagnostics: ABS 7-9

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Diagnostic Tips

Connector Information

A correctly installed ABS wheel bearing will have a tan seal

For additional information about the connectors in the following

facing outward. If the red seal is showing, the bearing is

diagram(s) and diagnostic procedure(s), including the color of

installed backward. If the seal is black, it is a non-ABS bearing

the harness test kit terminal probes, see B.1 CONNECTORS.

and should be replaced with the correct bearing

em00817

ABS Module

15 13 12

5

[166A]

15

13 12

5

[166B]

Rear WSS

O/BN

B

B

BK

O/PK

A

A

R

[168B] [168A]

Front WSS

O/BK

B

B

BK

O/BE

A

A

R

[167B] [167A]

Figure 7-16. Wheel Speed Sensor Circuits

DTC C1021 (FRONT), C1023 (REAR)

2. Validation of Current DTC Test

1. Clear DTC.

Table 7-5. DTC C1021 (Front), C1023 (Rear) Diagnostic

2.

Operate vehicle above 5 mph (8 km/h) for at least 30

Faults

seconds.

POSSIBLE CAUSES

3.

Did DTC reset?

Electrical interference

a. Yes. Go to Test 3.

Poor connections

b. No. See diagnostic tips.

Intermittent open in WSS circuits

Faulty WSS

3. Worn or Damaged Components Test

Worn bearing assembly

1.

Inspect for worn, damaged or incorrect bearing assembly.

NOTES

1. Electrical Interference Test

Check ABS bearing seal color to determine if bearing is prop-

1. Inspect vehicle for accessories that may cause electrical

erly installed.

interference with the wheel speed sensors.

•

Tan seal faces outward when properly installed.

2. Electrical interference present?

•

Red seal visible indicates bearing is installed backward.

a. Yes. Remove or relocate interference.

•

Black seal visible indicates non-ABS bearings. Replace

b. No. Go to Test 2.

with correct ABS bearing.

7-10 2013 Softail Diagnostics: ABS

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DTC C1025,

C1032, C1206

7.4

DESCRIPTION AND OPERATION

ed03462

See Figure 7-17 and Figure 7-19. The active WSS is supplied

3

4

5

system voltage from the ABS ECU. The sensor returns a 7mA

2

6

7

1

or 14mA signal back to the ABS ECU.

•

Front WSS high circuit: The ABS ECU module monitors

ignition voltage from terminal 15 of the ABS ECU through

8

terminal A of the front WSS.

•

Front WSS low circuit: The ABS ECU monitors the signal

from terminal B of the front WSS through terminal 5 of the

ABS ECU.

Table 7-6. Code Description

DTC

DESCRIPTION

C1025

Front wheel speed signal intermittent

C1032

Front wheel speed sensor circuit open or

shorted

C1206

Front wheel speed sensor frequency out of

9

range

11

10

ed03311

1.

ECM

2.

ECM [78-2]

3.

ECM [78-1]

1

4.

Purge solenoid [95] (back side of purge

solenoid)

5.

Security siren

6.

BCM

7.

BCM [242] (back side of BCM)

8.

Security siren [142]

4

9.

Rear WSS [168]

2

10. ABS [166]

11. ABS ECU

3

Figure 7-18. Electrical Panel: FXSB

1. BCM [242]

2. ABS ECU [166]

ed03294

3

3. Rear WSS [168]

2

4

4. Rear tire

Figure 7-17. ABS [166]: Except FXSB

1

1. Head lamp [38]

2. Front WSS [167]

3. Instruments [20]

4. Left hand control [24]

Figure 7-19. Under Fuel Tank Left Side

7-12 2013 Softail Diagnostics: ABS

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Conditions for Setting the DTC

Action Taken When the DTC Sets

DTC C1025 can set if the following conditions exist in the front

•

ABS is disabled.

WSS low circuit:

•

The ABS indicator is illuminated.

•

One of the WSS sends a signal to the ABS ECU that the

Diagnostic Tips

wheel speed has increased or decreased at a rate that is

faster than physically possible without a brake switch input.

All the DTCs that set in this diagnostic are related to terminals

A and B of the front WSS, either internally in the ABS ECU or

•

ABS ECU fault or malfunction.

WSS, or externally in the wire or connectors. If a DTC is inter-

•

Intermittent open in the front high or low WSS circuits.

mittent, it may be a connection problem from terminal A or B

of the WSS to the ABS ECU.

•

ABS ECU fault or malfunction.

The following issues could affect the setting of these codes

•

Incorrect or worn bearing assembly.

and should be inspected before part replacement.

•

Electrical interference.

•

Mismatched or improperly sized tires.

DTC C1032 can set if one of the following conditions exist in

•

Worn suspension components.

the front high or low WSS circuit for longer than 0.02 seconds:

•

Riding over rough terrain.

•

Short to ground, short to battery, open or high resistance

in the front high or low WSS circuits.

•

External or internal wheel speed circuit intermittent open.

•

WSS fault or malfunction.

•

Electrical noise on the WSS wires.

•

ABS ECU fault or malfunction.

Connector Information

DTC C1206 can set due to the following conditions:

For additional information about the connectors in the following

•

Electrical noise on the WSS circuit.

diagram(s) and diagnostic procedure(s), including the color of

the harness test kit terminal probes, see B.1 CONNECTORS.

•

Faulty WSS and bearing assembly.

•

Faulty ABS ECU.

em00817

ABS Module

15 13 12

5

[166A]

15

13 12

5

[166B]

Rear WSS

O/BN

B

B

BK

O/PK

A

A

R

[168B] [168A]

Front WSS

O/BK

B

B

BK

O/BE

A

A

R

[167B] [167A]

Figure 7-20. Wheel Speed Sensor Circuits

2013 Softail Diagnostics: ABS 7-13

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6. Check DTCs.

DTC C1025, C1032, C1206

7. Did DTC reset?

PART NUMBER

TOOL NAME

a. Yes. Go to Test 4.

HD-41404

HARNESS CONNECTOR TEST KIT

b. No. Replace front WSS.

HD-48642

ABS BREAKOUT BOX

HD-50341

WHEEL SPEED SENSOR TEST LEAD

4. (O/BK) Open Test

1. Turn IGN OFF.

Table 7-7. DTC C1025, C1032, C1206 Diagnostic Faults

2. Connect ABS BREAKOUT BOX (Part No. HD-48642)

between wire harness [166B] , leaving ABS module [166A]

POSSIBLE CAUSES

disconnected. See 1.2 DIAGNOSTIC TOOLS.

The wheel speed of one wheel is greater than 5 mph (8 km/h)

3. Remove sensor test lead.

for 2.5 seconds while the other wheel is 0 mph (0 km/h) with

no brake switch input

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between BOB terminal 5 and [167B]

Dynamometer testing

terminal B (O/BK) wire.

WSS fault or malfunction

5. Is continuity present?

Worn bearing assembly

a. Yes. Go to Test 5.

One of the WSSs sends a signal to the ABS ECU that the

wheel speed has increased or decreased at a rate that is

b. No. Repair open in (O/BK) wire.

faster than physically possible without a brake switch input

5. (O/BE) Open Test

Intermittent open in the front high or low WSS circuits

1. Test continuity between BOB terminal 15 and [167B] ter-

Electrical interference

minal A (O/BE) wire.

Short to ground, short to battery, open or high resistance in

the front high or low WSS circuits

2. Is continuity present?

a. Yes. Go to Test 6.

1. Electrical Interference Test

b. No. Repair open in (O/BE) wire.

1. Inspect vehicle for accessories that may cause electrical

interference with the WSS.

6. Shorted Wires Test

2. Inspect the front wheel bearing.

1. Test continuity between BOB terminals 5 and 15.

3. Is electrical interference or wheel bearing malfunction

2. Is continuity present?

present?

a. Yes. Repair short between (O/BE) and (O/BK) wires.

a. Yes. Remove or relocate interference or correct wheel

b. No. Go to Test 7.

bearing issues.

b. No. Go to Test 2.

7. (O/BK) Ground Test

1. Test continuity between BOB terminal 5 and ground.

2. Loose or Damaged Connections Test

2. Is continuity present?

1. Turn IGN OFF.

a. Yes. Repair short to ground on (O/BK) wire.

2. See Figure 7-2 and Figure 7-3. Inspect for loose or dam-

aged connections on WSS circuits.

b. No. Go to Test 8.

3. Were poor connections found?

8. (O/BE) Ground Test

a. Yes. Repair connections and circuits.

1. Test continuity between BOB terminal 15 and ground.

b. No. Go to Test 3.

2. Is continuity present?

3. Front WSS Test

a. Yes. Repair short to ground on (O/BE) wire.

1. Turn IGN OFF.

b. No. Go to Test 9.

2. Disconnect front WSS [167].

9. (O/BK) Voltage Test

3. Connect WHEEL SPEED SENSOR TEST LEAD (Part

1. Turn IGN ON.

No. HD-50341) between [167B] terminals A and B. See

1.2 DIAGNOSTIC TOOLS.

2. Test voltage between BOB terminal 5 and ground.

4. Clear DTCs.

3. Is voltage present?

a. Yes. Repair short to voltage on (O/BK) wire.

5. Cycle IGN OFF, ON, wait 10 seconds for ABS to complete

initialization test.

b. No. Replace ABS module.

7-14 2013 Softail Diagnostics: ABS

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DTC C1027,

C1034, C1208

7.5

DESCRIPTION AND OPERATION

ed03462

See Figure 7-21. The active WSS is supplied system voltage

3

4

5

from the ABS ECU. The sensor returns a 7mA or 14mA signal

2

6

7

1

back to the ABS ECU.

•

Rear WSS high circuit: The ABS ECU monitors ignition

voltage from terminal 13 of the ABS ECU through terminal

8

A of the rear WSS.

•

Rear WSS low circuit: The ABS ECU monitors the fre-

quency signal from terminal B of the rear WSS through

terminal 12 of the ABS ECU.

Table 7-8. Code Description

DTC

DESCRIPTION

C1027

Rear wheel speed signal intermittent

C1034

Rear wheel speed sensor circuit open or

shorted

C1208

Rear wheel speed sensor frequency out of

9

range

11

10

ed03311

1.

ECM

2.

ECM [78-2]

3.

ECM [78-1]

1

4.

Purge solenoid [95] (back side of purge

solenoid)

5.

Security siren

6.

BCM

7.

BCM [242] (back side of BCM)

8.

Security siren [142]

4

9.

Rear WSS [168]

2

10. ABS [166]

11. ABS ECU

3

Figure 7-22. Electrical Panel: FXSB

1.

BCM [242]

Conditions for Setting the DTC

2.

ABS ECU [166]

DTC C1027 can set if the following conditions exist in the rear

3.

Rear WSS [168]

WSS low circuit:

4.

Rear tire

•

One of the WSSs sends a signal to the ABS ECU that the

Figure 7-21. ABS [166]: Except FXSB

wheel speed has increased or decreased at a rate that is

faster than physically possible without a brake switch input.

•

ABS ECU fault or malfunction.

•

Intermittent open in the rear high or low WSS circuits.

•

Incorrect or worn bearing assembly.

•

Electrical interference.

DTC C1034 can set if one of the following conditions exist in

the rear high or low WSS circuit for longer than 0.02 seconds:

•

Short to ground, short to battery, open or high resistance

in the rear high or low WSS circuits.

•

WSS fault or malfunction.

•

ABS ECU fault or malfunction.

2013 Softail Diagnostics: ABS 7-15

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DTC C1208 can set due to the following conditions:

WSS, or externally in the wire or connectors. If a DTC is inter-

mittent, it may be a connection problem from terminal A or B

•

Electrical noise on the WSS circuit.

of the WSS to the ABS ECU.

•

Faulty WSS and bearing assembly.

The following issues could affect the setting of these codes

•

Faulty ABS ECU.

and should be inspected before part replacement.

•

Mismatched or improperly sized tires.

Action Taken When the DTC Sets

•

ABS is disabled.

•

Worn suspension components.

•

Riding over rough terrain.

•

The ABS indicator is illuminated.

Connector Information

Diagnostic Tips

For additional information about the connectors in the following

All the DTCs that set in this diagnostic are related to terminals

diagram(s) and diagnostic procedure(s), including the color of

A and B of the rear WSS either internally in the ABS ECU or

the harness test kit terminal probes, see B.1 CONNECTORS.

em00817

ABS Module

15 13 12

5

[166A]

15

13 12

5

[166B]

Rear WSS

O/BN

B

B

BK

O/PK

A

A

R

[168B] [168A]

Front WSS

O/BK

B

B

BK

O/BE

A

A

R

[167B] [167A]

Figure 7-23. Wheel Speed Sensor Circuits

7-16 2013 Softail Diagnostics: ABS

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5. Cycle IGN OFF, ON, wait 10 seconds for ABS to complete

DTC C1027, C1034, C1208

initialization test.

PART NUMBER

TOOL NAME

6. Check DTCs.

HD-41404

HARNESS CONNECTOR TEST KIT

7. Did DTC reset?

HD-48642

ABS BREAKOUT BOX

a. Yes. Go to Test 4.

HD-50341

WHEEL SPEED SENSOR TEST LEAD

b. No. Replace front WSS.

4. (O/BN) Open Test

Table 7-9. DTC C1027, C1034, C1208 Diagnostic Faults

1. Turn IGN OFF.

POSSIBLE CAUSES

2. Connect ABS BREAKOUT BOX (Part No. HD-48642)

The wheel speed of one wheel is greater than 5 mph (8 km/h)

between wire harness [166B] , leaving ABS module [166A]

for 2.5 seconds while the other wheel is 0 mph (0 km/h) with

disconnected. See 1.2 DIAGNOSTIC TOOLS.

no brake switch input

3. Remove sensor test lead.

Dynamometer testing

WSS fault or malfunction

4. Using HARNESS CONNECTOR TEST KIT (Part No. HD-

41404), test continuity between BOB terminal 12 and

Worn bearing assembly

[168B] terminal B (O/BN) wire.

One of the wheel speed sensors sends a signal to the ABS

5. Is continuity present?

ECU that the wheel speed has increased or decreased at a

rate that is faster than physically possible without a brake

a. Yes. Go to Test 5.

switch input

b. No. Repair open in (O/BN) wire.

Intermittent open in the rear high or low WSS circuits

5. (O/PK) Open Test

Electrical interference

Short to ground, short to battery, open or high resistance in

1. Test continuity between BOB terminal 13 and [168B] ter-

the rear high or low WSS circuits

minal A (O/PK) wire.

2. Is continuity present?

1. Electrical Interference Test

a. Yes. Go to Test 6.

1. Inspect vehicle for accessories that may cause electrical

interference with the WSS.

b. No. Repair open in (O/PK) wire.

2. Inspect the rear wheel bearing.

6. Shorted Wires Test

3. Is electrical interference or wheel bearing malfunction

1. Test continuity between BOB terminals 12 and 13.

present?

2. Is continuity present?

a. Yes. Remove or relocate interference or correct wheel

a. Yes. Repair short between (O/BN) and (O/PK) wires.

bearing issues.

b. No. Go to Test 7.

b. No. Go to Test 2.

2. Loose or Damaged Connections Test

7. (O/BN) Ground Test

1. Turn IGN OFF.

1. Test continuity between BOB terminal 12 and ground.

2. See Figure 7-2 or Figure 7-3. Inspect for loose or damaged

2. Is continuity present?

connections on WSS circuits.

a. Yes. Repair short to ground on (O/BN) wire.

3. Were poor connections found?

b. No. Go to Test 8.

a. Yes. Repair connections and circuits.

8. (O/PK) Ground Test

b. No. Go to Test 3.

1. Test continuity between BOB terminal 13 and ground.

3. Rear WSS Test

2. Is continuity present?

1. Turn IGN OFF.

a. Yes. Repair short to ground on (O/PK) wire.

2. Disconnect rear WSS [168].

b. No. Go to Test 9.

3. Connect WHEEL SPEED SENSOR TEST LEAD (Part

9. (O/BN) Voltage Test

No. HD-50341) between [168B] terminals A and B. See

1.2 DIAGNOSTIC TOOLS.

1. Turn IGN ON.

4. Clear DTCs.

2. Test voltage between BOB terminal 12 and ground.

2013 Softail Diagnostics: ABS 7-17

HOME

DTC C1052,

C1102

7.6

DESCRIPTION AND OPERATION

ed03462

See Figure 7-24 and Figure 7-26.

3

4

5

2

6

7

The ABS ECU monitors current flowing through terminal B of

1

the rear HCU power circuit. This circuit supplies the power to

the pump motor in the HCU. The ABS ECU controls the pump

by turning on and off the power circuit to the pump motor.

8

Table 7-10. Code Description

DTC

DESCRIPTION

C1052

Rear actuator circuit high

C1102

Rear acutator motor stalled

ed03311

1

9

11

10

1.

ECM

4

2.

ECM [78-2]

2

3.

ECM [78-1]

4.

Purge solenoid [95] (back side of purge

3

solenoid)

5.

Security siren

6.

BCM

1. BCM [242]

7.

BCM [242] (back side of BCM)

2. ABS ECU [166]

8.

Security siren [142]

3. Rear WSS [168]

9.

Rear WSS [168]

4. Rear tire

10. ABS [166]

11. ABS ECU

Figure 7-24. ABS [166]: Except FXSB

Figure 7-25. Electrical Panel: FXSB

ed03306

1

2

1. Rear HCU [255]

2. Rear fork

Figure 7-26. Rear HCU [255]

2013 Softail Diagnostics: ABS 7-19

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Conditions for Setting the DTC

Diagnostic Tips

DTC C1052 and C1102 can set if one of the following condi-

All the DTCs that set in this diagnostic are related to terminal

tions exists in the rear HCU power circuit:

B of the rear HCU, either internally in the ABS ECU or HCU,

or externally in the wire or connectors. If a DTC is intermittent,

•

Short to ground on the rear HCU power circuit.

it may be a connection problem from terminal B of the rear

•

HCU fault or malfunction.

HCU to the ABS ECU.

•

ABS ECU fault or malfunction.

Connector Information

Action Taken When the DTC Sets

For additional information about the connectors in the following

diagram(s) and diagnostic procedure(s), including the color of

•

ABS is disabled.

the harness test kit terminal probes, see B.1 CONNECTORS.

•

The ABS indicator is illuminated.

em00819

ABS Module

Battery

R

B

20

11 10 9

7

6

4

2

1

[166A]

Main

20

11 10 9

7

6

4

2

1

[166B]

40A

A

Fuse

[64B]

Block

Front HCU

R

BK

D

D

O/GY

C

C

O/R

B

B

O/GN

A

A

[254B] [254A]

Battery

Power

Rear HCU

BK

D

D

O/W

C

C

O/V

B

B

O/Y

A

A

[255B] [255A]

GND 2

Figure 7-27. HCU Schematic

DTC C1052, C1102

1. Rear HCU Internal Power Circuit Short to

Ground Test

PART NUMBER

TOOL NAME

1. Turn IGN OFF.

HD-39617

FLUKE AC/DC CURRENT PROBE

2. Disconnect rear HCU [255].

HD-48642

ABS BREAKOUT BOX

3. Connect ABS BREAKOUT BOX (Part No. HD-48642) to

wire harness [166B], leaving ABS module [166A] discon-

Table 7-11. DTC C1052, C1102 Diagnostic Faults

nected. See 1.2 DIAGNOSTIC TOOLS.

POSSIBLE CAUSES

4. Test continuity between BOB terminal 10 and ground.

HCU fault or malfunction

5. Is continuity present?

Short to ground on the rear HCU power circuit

a. Yes. Repair short to ground on (O/V).

b. No. Go to Test 2.

7-20 2013 Softail Diagnostics: ABS

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DTC C1055

7.7

DESCRIPTION AND OPERATION

ed03462

Circuit Description

3

4

5

2

6

7

The ABS module monitors the voltage level available for system

1

operation. A low voltage condition prevents the system from

operating properly. The ABS module also performs several

self-tests for internal problems which may affect proper opera-

8

tion.

Table 7-12. Code Description

DTC

DESCRIPTION

C1055

ABS ECU internal fault

ed03311

1

9

11

10

1.

ECM

4

2.

ECM [78-2]

2

3.

ECM [78-1]

4.

Purge solenoid [95] (back side of purge

3

solenoid)

5.

Security siren

6.

BCM

1.

BCM [242]

7.

BCM [242] (back side of BCM)

2.

ABS ECU [166]

8.

Security siren [142]

3.

Rear WSS [168]

9.

Rear WSS [168]

4.

Rear tire

10. ABS [166]

11. ABS ECU

Figure 7-28. ABS [166]: Except FXSB

Figure 7-29. Electrical Panel: FXSB

Conditions for Setting the DTC

The ABS module detects an internal malfunction.

Action Taken When the DTC Sets

•

ABS is disabled.

•

The ABS indicator is illuminated.

Diagnostic Tips

If improper voltage is supplied to the ABS ECU, this code may

set. Using an improper or high voltage charger on the vehicle

may cause this code to inadvertently set when there is nothing

wrong with the ABS system.

Connector Information

For additional information about the connectors in the following

diagram(s) and diagnostic procedure(s), including the color of

the harness test kit terminal probes, see B.1 CONNECTORS.

7-22 2013 Softail Diagnostics: ABS

HOME

em00992

ABS Module

Battery

R

B

20 19 18 15 13 12 11 10

9

7

6

5

4

2

1

[166A]

Main

20 19 18 15 13 12 11 10

9

7

6

5

4

2

1

[166B]

40A

A

Fuse

[64B]

Block

R

CAN

Communication

Battery

Power

Front HCU

BK

D

D

Ground

O/GY

C

C

Front HCU Release

O/R

B

B

Front HCU Power

O/GN

A

A

Front HCU Apply

[254B] [254A]

Speedometer

CAN Low

8

8

W/BK

W/BK

3

3

W/BK

Rear HCU

CAN High

2

2

W/R

W/R

1

1

W/R

BK

D

D

Ground

[20B] [20A]

O/W

C

C

Rear HCU Release

[39A] [39B]

O/V

B

B

Rear HCU Power

O/Y

A

A

Rear HCU Apply

[255B] [255A]

Rear WSS

[242A] [242B]

O/BN

B

B

BK

Rear WSS Low

O/PK

A

A

R

Rear WSS High

CAN High

D2

D2

W/R

BCM

CAN Low

E2

E2

W/BK

[168B] [168A]

Brake Switch Input

F3

F3

BE/GN

Front WSS

O/BK

B

B

BK

Front WSS Low

[121A-1] [121B-1]

O/BE

A

A

R

Front WSS High

Rear

1

1

BE/GN

[167B] [167A]

Brake

Switch

1

1

BK

[121A-2] [121B-2]

Front

R

3

3

W/R

Brake

R

4

4

W/BK

Switch

[22B-1] [22A-1]

Right

Hand

Control

Module

GND 2

Figure 7-30. ABS Schematic

2013 Softail Diagnostics: ABS 7-23

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