Acura RL (1996-2004 year). Manual — part 525
Check for an open in the WALP
circuit:
Connect the gauge assembly 30P
connector terminal No. 22 to
body ground with a jumper wire.
GAUGE ASSEMBLY 30P CONNECTOR
Does the ABS indicator go off?
Repair open in the wire between
the gauge assembly and the
ABS control unit.
Wire side of female terminals
Replace the printed circuit board
in the gauge assembly.
Main Menu
Table of Contents
Troubleshooting
DTC 11, 13, 15, 17: Wheel Sensor (Open/Short to Body Ground/Short to Power)
With the ignition switch ON
(II), the ABS indicator does
not go off.
With the SCS service connec-
tor connected (see page
), DTCs 11, 13, 15, 17 are
indicated.
Check for a short to power in the
wheel sensor circuit:
1. Disconnect the ABS control
unit 22P connector.
2. Start the engine.
3. Measure the voltage between
the appropriate wheel sensor
(+) circuit terminal and body
ground (see table).
DTC
11 (Right-front)
13 (Left-front)
15 (Right-rear)
17 (Left-rear)
Appropriate Terminal
(+) Side
No. 9: FRW (+)
No. 7: FLW (+)
No. 19: RRW (+)
No. 17:RLW(+)
(-) Side
No. 8: FRW (-)
No. 6: FLW (-)
No. 20: RRW (-)
No. 18: RLW (-)
Is there 2 V or more?
NOTE: Judgement value for short to
power is 2 V.
Repair short to power in the (+)
circuit wire between the ABS
control unit and the appropriate
wheel sensor.
Check for a short to body ground
in the wheel sensor circuit:
Check for continuity between the
appropriate wheel sensor (+) cir-
cuit terminal and body ground
(see table).
Is there continuity?
Check for an open in the wheel
sensor circuit:
Check the resistance between the
appropriate wheel sensor (+) and
(-) circuit terminals (see table).
Is the resistance OK?
Front/Rear: 450 - 2,050
(at 20°C, 68°F).
Check for loose ABS control unit
connectors, if necessary, substi-
tute a known-good ABS control
unit and recheck.
Repair short to body ground in
the (+) or (-) circuit wire between
the ABS control unit and the
appropriate wheel sensor.
Replace the appropriate wheel
sensor.
Repair open in the (+) or (-)
circuit wire, or short to the (+)
circuit wire in the (-) circuit
wire between the ABS control
unit and the appropriate wheel
sensor.
Replace the appropriate wheel
sensor.
ABS CONTROL UNIT 22P CONNECTOR
Wire side of female terminals
Main Menu
Table of Contents
DTC 12, 14, 16, 18: Wheel Sensor (Electrical Noise/Intermittent Interruption)
Are they installed correctly?
Check for a short to wire in the
one wheel sensor circuit:
1. Disconnect the ABS control
unit 22P connector.
2. Measure the resistance
between the appropriate
wheel sensor (+) and (-) cir-
cuit terminals (see table).
Is there less than 450 Q?
Check for a short to another wire
in the wheel sensor circuits:
Check for continuity between the
appropriate wheel sensor (+) cir-
cuit terminal and other wheel
sensor (+) circuit terminals (see
table).
Is there continuity?
NOTE: If the ABS indicator comes on for the reasons described below, the indicator
should go off when you test-drive the vehicle at speeds above 19 mph (30 km/h).
• Only the drive wheels rotated
• The vehicle spun
• Electrical noise
DTC
12
14
16
18
Appropriate Wheel Sensor
Right -front
Left - front
Right- rear
Left - rear
Reinstall or replace the appropri-
ate wheel sensor or pulser.
DTC
12 (Right-front)
14 (Left-front)
16 (Right-rear)
18 (Left-rear)
Appropriate Terminal
(+) Side
No. 9: FRW (+)
No. 7: FLW (+)
No. 19: RRW (+)
No. 17: RLW (+)
(-) Side
No. 8: FRW (-)
No. 6: FLW (-)
No. 20: RRW <-)
No. 18: RLW (-)
Repair short to wire between the
appropriate wheel sensor (+) and
(-) circuits.
DTC
12 (Right-front)
14 (Left-front)
16 (Right-rear)
18 (Left-rear)
Appropriate
Terminal
No. 9: FRW (+)
No. 7: FLW (+)
No. 19: RRW (+)
No. 17: RLW (+)
Other Terminal
No. 7: FLW (+)
No. 9: FRW (+)
No. 9: FRW (+)
No. 9: FRW (+)
No. 19: RRW (+)
No. 19: RRW (+)
No. 7: FLW (+)
No. 7: FLW (+)
No. 17: RLW (+)
No. 17: RLW (+)
No. 17: RLW (+)
No. 19: RRW (+)
Repair short to wire between the
appropriate wheel sensor and
the other wheel sensor.
With the ignition switch ON
(II), the ABS indicator does
not go off.
With the SCS service connec-
tor connected (see page
), DTCs 12, 14, 16, or 18
are indicated.
Visually check for appropriate
wheel sensor and pulser installa-
tion (see table).
Erase the DTC and test-drive the
vehicle. If ABS indicator conies
on and same DTC is indicated,
replace the ABS control unit.
Main Menu
Table of Contents
Troubleshooting
DTC 21, 22, 23, 24: Pulser
— With the ignition switch ON
(II), the ABS indicator does
not go off.
— With the SCS service connec-
tor connected (see page
), DTCs 21 - 24 are indi-
cated.
Problem verification:
1. Erase the DTC.
2. Test-drive the vehicle at 19
mph (30 km/h) or more.
Does the ABS indicator come on
and are DTCs 21 - 24 indicated?
Check the appropriate pulser gear
for a chipped tooth (see table).
The system is OK at this time.
DTC
21
22
23
24
Appropriate Pulser
Right-front
Left-front
Right-rear
Left-rear
Is the pulser OK?
Replace the driveshaft or the hub
unit.
(Chipped pulser gear.)
Check for loose ABS control unit
connectors. If necessary, substi-
tute a known-good ABS control
unit and recheck.
Main Menu
Table of Contents
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст