Specifications

CONFIDENTIAL
Bendix Commercial Vehicle Systems LLC
Elyria, OH 44036
PRODUCT SPECIFICATION - BW-283-PR
SPEC. BW-283-PR
73 SHEETS
SHEET NO. 13
3.1.1 Modulator Relay Valve (MRV) Crack Pressure
The TABS6 internal-MRV is available with nominal crack pressure of 3.0 ± 1.0
psi.
3.1.2 Control Line Filter
The TABS6 internal-MRV is designed with an integral nylon filter to prevent
foreign material larger than 0.013 inches from entering the control port of the
modulator relay valve. This filter body is made of nylon and is screwed in place
directly in the control line port. The filter is serviceable with a screw-in
replacement.
3.1.3 FMVSS 121 Timing
The TABS6 internal-MRV is designed to meet FMVSS 121 timing requirements
when installed per Bendix recommended installation guidelines and/or Bendix
system drawings. FMVSS 121 timing compliance is the responsibility of the
towed vehicle manufacturer.
3.1.4 ECU Identification & Connector Pin-Out
Identification information for the TABS6 ECU is located on the connector pin-out
label (refer to Figure 3 and Figure 4). The label is located under the ECU
connector cover.
2-Pin Round DIN
Sensor Connector
5-Pin Packard
Weatherpack Connector
2-Pin Round DIN
Sensor Connector
Pin Designation Pin Designation Pin Designation
1 Sensor Right SR (+) A Brake Lamp Voltage 1 Sensor Left SL (+)
2 Sensor Right SR (–) B Ignition Voltage 2 Sensor Left SL (–)
C Auxiliary (AUX)
D ABS Warning Lamp
E Ground
Figure 3: ECU Identification & Pin-Out - Standard TABS6
5-Pin ECU
Connector
Two (2) Sensor
Connectors
ECU Label
Location
Bendix P/N
Software
Version
Data Code
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