Acura RL (1996-2004 year). Manual — part 544
DTC
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Troubleshooting
Brake System Indicator Does Not Go Off
Check the ABS:
1. Turn the ignition switch.
2. Check the ABS indicator.
Does the ABS indicator stay on?
Perform the troubleshooting for
the DTC.
Release the parking brake.
Does the brake system indica-
tor go off?
The system is OK at this time.
Check the brake fluid level.
Is the level OK?
Refill the brake fluid, then confirm
that the brake system indicator
goes off.
Check the VSA control unit:
1. Turn the ignition switch OFF.
2. Disconnect the VSA control
unit 42P connector.
3. Turn the ignition switch ON (II).
Does the brake system indica-
tor go off?
Replace the VSA modulator-
control unit.
Repair short to body ground in
the wire between the brake
system indicator and the VSA
control unit.
The parking brake switch stuck
ON.
The brake fluid level switch
stuck ON.
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ABS Indicator Does Not Come On
Check the indicator power source
circuit:
Turn the ignition switch ON (II).
Does the brake system indica-
tor come on?
Check the VSA control unit:
1. Turn the ignition switch OFF.
2. Disconnect the VSA control
unit 42P connector.
3. Turn the ignition switch ON (II).
Does the ABS indicator come on?
Check the ABS indicator:
1. Turn the ignition switch OFF.
2. Check the ABS indicator bulb in
the gauge assembly.
Is the bulb OK?
Check for a short to body ground
in the ABS circuit:
1. Disconnect the gauge assem-
bly 30P connector.
2. Check for continuity between
terminal No. 6 and body
ground.
Is there continuity?
Gauge relay stuck OFF.
Blown METER (15 A) fuse in the
under-hood fuse/relay box.
Blown METER (7.5 A) fuse in
the under-dash fuse/relay box.
Repair open in the wire between
the METER (15 A) fuse and the
gauge assembly.
Repair open in the wire between
the METER (7.5 A) fuse and body
ground.
Replace the under-hood fuse/
relay box or under-dash fuse/
relay box. (Open circuit inside
the box.)
Check for loose terminals in the
VSA control unit 42P connector.
If necessary, substitute a known-
good VSA modulator-control
unit, and recheck.
Replace the ABS indicator bulb.
GAUGE ASSEMBLY 30P CONNECTOR
Wire side of female terminals
Repair short to body ground in the
wire between the gauge assembly
and the VSA control unit.
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Troubleshooting
ABS Indicator Does Not Come On (cont'd)
Check for an open in the indicator
GND circuit:
1. Connect the gauge assembly
30P connector.
2. Disconnect the gauge assem-
bly 22P connector.
3. Check for continuity between
the gauge assembly 22P con-
nector terminal No. 10 and
body ground.
Is there continuity?
GAUGE ASSEMBLY 22P CONNECTOR
Repair open in the wire between
the gauge assembly and the
VSA control unit.
Repair poor ground (G401,
G402).
Check for loose terminals in the
gauge assembly 22P connector. If
the connector is OK, replace the
printed circuit board in the gauge
assembly.
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