BENDIX EC-60 ABS-ATC STD-PREM CONTROLLERS manual Traction Control Valves

Page 22

Troubleshooting Diagnostic Trouble Codes:

1st. Blink

Code

Traction Control Valves

Location

18 Traction Control Valve

2nd.

Diagnostic

 

Blink

Trouble Code

Repair Information

Code

Description

1

TCV Solenoid

Verify 7 to 19 ohms between TCV and TCV common. Verify no continuity between

 

Shorted to

TCV leads and ground. Check for corroded/damaged wiring or connectors

 

Ground

between ECU and TCV.

2

TCV Solenoid

Verify 7 to 19 ohms between TCV and TCV common. Verify no continuity between

 

Shorted to

TCV leads and voltage. Check for corroded/damaged wiring or connectors

 

Voltage

between ECU and TCV.

3

TCV Solenoid

Verify 7 to 19 ohms between TCV and TCV common. Check for corroded/

 

Open Circuit

damaged wiring or connectors between ECU and TCV.

4

TCV

The ECU is not configured for ATC, but has detected the presence of a TCV.

 

Configuration

Verify TCV wiring. Inspect for the presence of a TCV. Verify ECU configuration.

 

Error

 

 

 

 

Traction Control Valve Repair Tests:

1.Take all measurements at ECU harness connector pins in order to check wire harness and traction control valve. Probe the connector carefully so that the terminals are not damaged.

2.Tractor Control Valve resistance measurements should read:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Location

Measurement

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TCV to TCV Common

7 to 19 Ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Release, Hold, Common

Open Circuit (no continuity)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

to Voltage or Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cab-mount ECU:

 

Frame-mount ECU:

 

Looking into wire harness connector

 

Looking into wire harness connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connector

Pin

Traction Control Test

X1

4

Traction Control Valve Common

18 Way

5

Traction Control Valve

 

 

 

Connector

Pin

Traction Control Test

X3

7

Traction Control Valve

18 Way

13

Traction Control Valve Common

 

 

 

22

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Contents Introduction Standard Frame Standard Cab Premium Frame Premium CabCab ECUs ComponentsECU Mounting Frame ECUsEC-60CONTROLLERS with PLC Hardware ConfigurationsEC-60CONTROLLER Inputs EC-60CONTROLLER Outputs POWER-UP Sequence ABS Operation ATC Operation Engine Torque Limiting ETL with Smart ATC Traction Control Optional ATC Off-Road ModeDynamometer Test Mode Bendix Smart ATC Traction ControlABS Partial Shutdown System Configuration Reconfiguring EC-60ControllersECU Reconfiguration Removing the EC-60CONTROLLER Assembly Troubleshooting GeneralSafe Maintenance Practices Installing a NEW EC-60CONTROLLERECU Diagnostics Troubleshooting Blink Codes and Diagnostic ModesBlink Codes Active Diagnostic Trouble Code Mode Diagnostic ModesDiagnostic Modes Inactive Diagnostic Trouble Code ModeSystem Configuration Check Mode Clearing Active Diagnostic Trouble CodesReconfigure ECU Mode Features of the Bendix RDU Tool Using HAND-HELD or PC-BASED DiagnosticsBendix RDU Remote Diagnostic Unit Bendix RDU Reset FunctionNexiq Bendix Application Card Bendix ACom Diagnostics 3.0 SoftwareBendix RDU Communication Problems Bendix Technical Assistance TeamActive or Inactive Diagnostic Trouble Codes 1st Blink Code Go Here for Troubleshooting Tests NumberWheel Speed Sensors Troubleshooting Diagnostic Trouble Codes2nd Diagnostic Blink Trouble Code Code DescriptionConnector Pin Cab-mount ECU Looking into wire harness connectorFrame-mount ECU Looking into wire harness connector Speed Sensor Repair TestsPressure Modulator Valves Connector Pin PMV Location Pressure Modulator Valve Repair TestsTraction Control Valves Traction Control Valve Repair TestsPower Supply Tests Troubleshooting Diagnostic Trouble Codes Power SupplyConnector Pin Power Supply Test Connector Pin J1939 J1939 Low J1939 Troubleshooting TestsConnector Pin J1939 J1939 HighECU 2nd. Diagnostic Blink Trouble Code Code Description Troubleshooting Diagnostic Trouble Codes MiscellaneousRepair Information Retarder Relay Miscellaneous TroubleshootingABS Indicator Lamp PMV CommonsStandard Cab X2 Connector Pin Assignments Standard Cab X1 Connector Pin AssignmentsNot Used Standard Frame X1 Connector Pin Assignments Standard Frame X2 Connector Pin AssignmentsPremium Cab X3 Connector Pin Assignments Premium Cab X1 Connector Pin AssignmentsPremium Cab X2 Connector Pin Assignments Premium Cab Model EC-60ControllerPremium Frame X2 Connector Pin Assignments Premium Frame X1 Connector Pin AssignmentsPremium Frame X3 Connector Pin Assignments Troubleshooting Wiring ABS/ATC WiringPlug Lock Crimp Tool ABS Component Connector Wire Wire Seal TerminalTerminal Troubleshooting Wiring Wheel Speed Sensor WiringTroubleshooting Standard Cab Wiring Schematic 4S/4M Drive Axle Steer AxleTroubleshooting Premium Cab Wiring Schematic 6S/6M Packard BPin CPin APinTroubleshooting Premium Cab Wiring Schematic 6S/5M Packard Pin B Pin C Pin aTroubleshooting Standard Frame Wiring Schematic 4S/4M Steer Axle Drive AxleTroubleshooting Premium Frame Wiring Schematic 6S/6M Premium Frame Wiring Schematic 6S/6MTroubleshooting Premium Frame Wiring Schematic 6S/5M Premium Frame Wiring Schematic 6S/5MGlossary SID FMI General J1587 J1587 Equivalents