BENDIX BW2771 Manual de usuario Pagina 20

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General Information
18
Pretest Procedures
Step Procedure
J 1. VehicleIgnition:Key-ON,Engine-OFF.
2. Measure for J1939 data voltage on pins 4 and 9 of the FLR harness connector.
(J1939 High to Ground)
a. If the voltage is fluctuating between 2 to 5 volts.
i. ProceedtoStepK.
b. If the voltage is a constant 0 volts.
i. TestFailed.Checkforopen/looseconnectionsinthevehicle’sJ1939datalinkharness.
(See Note)
Note: Refer to vehicle OEM repair manual or contact the OEM for more information on the J1939 data link harness.
Pin #Description
J1
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