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Acura RSX Honda Integra. Manual - part 362

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19-45

IG2

FSR

FLS (

)

FLS (

)

FRS (

)

FRS (

)

RLS (

)

RLS (

)

RRS (

)

RRS (

)

DLC

GND1

GND2

SCS

DTC
EEPROM

(

)

(

)

TXD

RXD

VCC

G202

BRAKE
LIGHT

ABS MODULATOR-CONTROL UNIT (NK8)

STOP

ABS CONTROL UNIT

PUMP MOTOR

MODULATOR UNIT

WALP

5 V
REGULATOR

To VCC

ABS FAIL-SAFE RELAY

PUMP MOTOR RELAY

BRN/WHT

GRN/BLK

BLU

YEL/RED

GRY/RED

WHT/GRN

WHT/BLK

BLK/ORN

WHT/RED

BLU/ORN

BRN

BLU/YEL

GRN/YEL

GRY

BLU/RED

BLK

WHT/BLK

LEFT-FRONT SOLENOID

RIGHT-FRONT SOLENOID

LEFT-REAR SOLENOID

RIGHT-REAR SOLENOID

OUT

(cont’d)

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19-46

ABS Components

Circuit Diagram (cont’d)

UNDER-HOOD FUSE/RELAY BOX CONNECTORS
12P CONNECTOR (

number)

2P CONNECTOR (

number)

BRAKE PEDAL POSITION SWITCH
4P CONNECTOR

UNDER-DASH FUSE/RELAY BOX CONNECTORS
CONNECTOR I (5P)

CONNECTOR K (17P)

CONNECTOR A (22P)

CONNECTOR B (18P)

CONNECTOR A (16P)

CONNECTOR B (20P)

GAUGE ASSEMBLY CONNECTORS (’02-04 models)

GAUGE ASSEMBLY CONNECTORS (’05-06 models)

ABS MODULATOR-CONTROL UNIT 25P CONNECTOR

DATA LINK CONNECTOR (16P)

WHEEL SENSOR 2P CONNECTOR

FRONT/LEFT-REAR

RIGHT-REAR

Wire side of female terminals

Terminal side of female terminals

Terminal side of male terminals

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DTC 11, 13, 15, 17:

DTC

Appropriate Terminal

YES

DTC

Appropriate Terminal

YES

19-47

DTC Troubleshooting

FLS (

) (BLU/ORN)

RLS (

) (YEL/RED)

FRS (

)

(GRN/BLK)

RRS (

)

(GRN/YEL)

ABS MODULATOR-CONTROL UNIT 25P CONNECTOR

FLS (

) (BLU/ORN)

RLS (

) (YEL/RED)

FRS (

)

(GRN/BLK)

RRS (

)

(GRN/YEL)

ABS MODULATOR-CONTROL UNIT 25P CONNECTOR

Wheel Sensor (Open/Short

to Body Ground/Short to Power)

1. Disconnect the ABS modulator-control unit 25P

connector.

2. Start the engine.

3. Measure the voltage between the appropriate

wheel sensor (

) circuit terminal of the ABS

modulator-control unit 25P connector and body
ground (see table).

11 (Right-front)

No. 18: FRS (

)

13 (Left-front)

No. 3: FLS (

)

15 (Right-rear)

No. 15: RRS (

)

17 (Left-rear)

No. 5: RLS (

)

Repair short to power in the circuit wires

between the ABS modulator-control unit and the
appropriate wheel sensor.

Go to step 4.

4. Turn the ignition switch OFF.

5. Check for continuity between the appropriate

wheel sensor (

) circuit terminal of the ABS

modulator-control unit 25P connector and body
ground (see table).

11 (Right-front)

No. 18: FRS (

)

13 (Left-front)

No. 3: FLS (

)

15 (Right-rear)

No. 15: RRS (

)

17 (Left-rear)

No. 5: RLS (

)

Go to step 6.

Go to step 7.

6. Disconnect the wire harness 2P connector from the

appropriate wheel sensor, then check for continuity
between the (

) and (

) terminals of the wire

harness and body ground.

Repair short to body ground in the (

) or (

)

circuit wire between the ABS modulator-control
unit and the wheel sensor.

Replace the wheel sensor (see page 19-60).

(cont’d)

Wire side of female terminals

Is ther e batter y voltage?

Is ther e continuity?

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DTC

Appropriate Terminal

(

) Side

(

) Side

YES

DTC

Appropriate Wheel Sensor

YES

DTC 12, 14, 16, 18:

19-48

ABS Components

DTC Troubleshooting (cont’d)

FLS (

) (BLU/ORN)

RLS (

) (YEL/RED)

FRS (

) (GRN/BLK)

RRS (

) (GRN/YEL)

RRS (

) (BLU/YEL)

FLS (

) (BRN/WHT)

RLS (

) (GRY/RED)

FRS (

) (BLU)

ABS MODULATOR-CONTROL UNIT 25P CONNECTOR

7. Check the resistance between the appropriate

wheel sensor (

) and (

) circuit terminals of the

ABS modulator-control unit 25P connector (see
table).

11 (Right-front)
13 (Left-front)
15 (Right-rear)
17 (Left-rear)

Check for a loose terminals in the ABS

modulator-control unit 25P connector. If necessary,
substitute a known-good ABS modulator-control
unit, and recheck.

Go to step 8.

8. Disconnect the wire harness 2P connector from the

appropriate wheel sensor, and check the resistance
between the (

) and (

) terminals of the wheel

sensor.

Repair open in the (

) or (

) circuit wire, or

short between the (

) circuit wire and the (

)

circuit wire between the ABS modulator-control
unit and the wheel sensor.

Replace the wheel sensor (see page 19-60).

NOTE: If the ABS indicator comes on because of an
electrical noise, the indicator goes off when you test-
drive the vehicle at 19 mph (30 km/h).

1. Visually check for appropriate wheel sensor and

pulser installation (see table). Measure pulser-to-
sensor clearance. Inspect the pulsers for chipped or
damaged teeth (see page 19-60).

Right-front

Left-front

Right-rear

Left-rear

Go to step 2.

Reinstall or replace the appropriate wheel

sensor or pulser.

2. Disconnect the ABS modulator-control unit 25P

connector.

No. 18: FRS ( )

No. 2: FRS ( )

No. 3: FLS ( )

No. 12: FLS ( )

No. 15: RRS ( )

No. 6: RRS ( )

No. 5: RLS ( )

No. 14: RLS ( )

Wheel Sensor (Electrical

Noise/Intermittent Interruption)

Wire side of female terminals

Is the r esistance between 450

2,000

Is the r esistance between 450

2,000

Ar e they installed cor r ectly?

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Content .. 360 361 362 363 ..