BENDIX BW2718 Manual de usuario descargar pdf (Pagina 29)

29

SECTION C: TROUBLESHOOTING THE TRAILER‑MOUNTED

ABS INDICATOR LAMP CIRCUITRY

The trailer‑mounted ABS indicator

lamp did not illuminate during the

power-upsequence.

The trailer‑mounted ABS indicator

lamp remains “ON” during the

power-upsequence.

Troubleshoot the power supply

to the ABS module.

GotoSectionD.

Continueifthepowerandground

wiringareOK.

Turn off the power to the module.

Inspect the condition of the ABS

indicator lamp, connector and ground.

Using a volt/ohm meter, verify

continuity from the trailer chassis

ground(pin18)tothegroundpinof

the indicator lamp.

If repairs are made, rerun the

power-upsequence.Goto

Section A.

Continueiftheindicatorlampand

groundwirecheckoutOK.

DetermineifamoduleDiagnosticTrouble

Code(DTC)existsusinganyofthefollowing

methods:

• Blinkcodediagnostics,Section20,

• PCdiagnostics,Section23,

• TrailerRemoteDiagnosticUnit,

Section23,or

• Bendix

®

Trailer Information Module, also

Section23.

IfDTC(s)exist,andrepairsaremade,rerun

thepower-upsequence.GotoSectionA.

ContinueifnoDTCsarefoundandtheABS

module appears to be functioning normally.

With power off to the ABS

module,disconnectthe18-pinECU

connector.

Verify continuity from the ABS

indicator lamp pin (pin 5) of the

ECUconnectortotheABSindicator

lamp connector.

If repairs are made, rerun the

power-upsequence.Goto

Section A.

If the condition persists, replace the

ABS module.

With power off to the ABS

module,disconnectthe18-pinECU

connector.

Usingavoltmeter,verifythatthere

is not a short to the Vbat between

theABSWLpinoftheECU

connector and the ABS indicator

lamp connector.

If repairs are made, rerun the

power-upsequence.Goto

Section A.

If the condition persists, replace the

ABS module.

18

LookingintotheBendix

®

TABS‑6

™

AdvModule18-pinConnectorPigtail

Harness.

Pin18isthegroundpin.

Pin 5 is the ABS indicator lamp pin.

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