Service manual

Group 59 Anti-Lock Brake System (Bendix) System Check
Chassis and ECU Connectors
CHASSIS PASS THRU 30–PIN CONNECTOR
CAVITY FUNCTION
D1 TRACTION CONTROL ENABLE SIGNAL
D3 RETARDER RELAY SIGNAL
D5 TCS LAMP SIGNAL
D7 ABS LAMP RELAY SIGNAL
E1 12 VOLT SUPPLY
K2 SAE J1587/1708 DATA LINK (+)
K4 SAE J1587/1708 DATA LINK (-)
K6 TRACTION CONTROL SAE J1922 (=)
K8 TRACTION CONTROL SAE J1922 (-)
Note: Connector is shown from insertion-side.
ABS ECU 18–PIN CONNECTOR
CAVITY FUNCTION
A1 RIGHT REAR MODULATOR VALVE COMMON
B1 LEFT REAR MODULATOR VALVE HOLD
C1 RIGHT REAR MODULATOR VALVE EXHAUST
D1 LEFT REAR MODULATOR VALVE EXHAUST
D2 TRACTION CONTROL SOLENOID SUPPLY
D3 TRACTION CONTROL SOLENOID GROUND
E1 LEFT REAR MODULATOR VALVE HOLD
E2 RIGHT REAR SENSOR SIGNAL
E3 RIGHT REAR SENSOR RETURN
F1 LEFT REAR MODULATOR VALVE COMMON
F2 LEFT REAR SENSOR SIGNAL
F3 LEFT REAR SENSOR RETURN
Note: Connector is shown from insertion-side.
ABS ECU 30–PIN CONNECTOR
CAVITY FUNCTION
A1 ECU GROUND
A2 ECU GROUND
A3 ECU GROUND
B1 ECU 12 VOLT SUPPLY
B2 TRACTION CONTROL SAE J1922 DATA LINK (+)
B3 TRACTION CONTROL SAE J1922 DATA LINK (-)
C1 RIGHT FRONT MODULATOR VALVE COMMON
C2 TCS LAMP GROUND
C3 J1939
D1 RIGHT FRT MODULATOR HOLD
D2 J1939
D3 J1939
E1 RIGHT FRT MODULATOR EXHAUST
E3 WARNING LAMP
F1 LEFT FRT MODULATOR VALVE EXHAUST
F2 TRACTION CONTROL ENABLE SWITCH
G1 LEFT FRONT MODULATOR VALVE HOLD
G2 SAE J1587/1708 DIAGNOSTIC DATA LINK (+)
G3 SAE J1587/1708 DIAGNOSTIC DATA LINK (-)
H1 LEFT FRT MODULATOR VALVE COMMON
H2 RIGHT FRT SENSOR SIGNAL
H3 RIGHT FRT SENSOR RETURN
J1 LEFT FRT SENSOR SIGNAL
J2 LEFT FRT SENSOR RETURN
K1 EGINE BRAKE/RETARDER DISABLE
K2 ECU 12 VOLT SUPPLY
K3 ECU 12 VOLT SUPPLY
Note: Connector is shown from insertion-side.
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