Class1 119327 - VDR system 118093 118097 118551 118620 119375 - EXTERNAL - Manual (Page 19)

FORM-ENG-0018 REV A 05-27-03
607 NW 27th Ave
Ocala, FL 34475
Ph: 352-629-5020 or 1-800-533-3569
Fax : 352-629-290 or 1-800-520-3473
PRODUCT MANUAL
PAGE 18 OF 26
DATE 10/17/2011
PRODUCT GROUP ES-Key P/N 119914, 118093, 118620, 118551, 119375 REV 1.70
PRODUCT Vehicle Data Recorder and Seat Belt Warning system BY AMS
PROBLEM LIKELY CAUSES WHAT TO DO
Large Seat Belt Warning
display (p/n 118551, p/n
119375) does not show
warnings and the green
COM LED flashes.
Seat Belt Warning display is addressed
incorrectly. The display’s address should
match that of the Seat Belt Warning input
module OR
The Seat Belt Warning display is not
properly connected to the CAN bus OR
The Seat Belt Warning input module is not
properly connected to the CAN bus or is not
powered.
Verify the address setting in the Seat Belt Warning
display (see section 4.3.1).
Verify the type of COM LED flash (see section 5.3.3)
and verify the probable CAN bus error.
Verify that the Seat Belt Warning input module is
powered and properly connected to the CAN bus (see
section 9.1).
The audible warning
alarm sounds for active
violations when the
parking brake is applied.
The park brake input to the Vehicle Data
Recorder’s pin 5 is not active OR
The park brake input to the Vehicle Data
Recorder’s pin 5 is the wrong polarity OR
The OEM parking brake switch is not
functioning.
Verify the continuity from the park brake switch to pin
5 of the VDR module.
Verify that the input from the park brake is a ground
polarity signal.
Verify operation of the OEM park brake switch.
The audible warning
alarm never sounds even
when the Seat Belt
Warning display shows
active violations.
The park brake input to the Vehicle Data
Recorder’s pin 5 is always active.
The Vehicle Data Recorder is not powered.
Verify the input to pin 5 of the VDR module is not
shorted to ground.
Verify operation of the OEM park brake switch.
Verify that the Vehicle Data Recorder is powered.
Use on board diagnostic LEDs (see section 5.4.2).
Master warning switch
activations never
recognized (per VDR
Management software
report).
The master warning input to the Vehicle
Data Recorder’s pin 8 is not active OR
The master warning input to the Vehicle
Data Recorder’s pin 8 is the wrong polarity
OR
The OEM master warning switch is not
functioning.
Verify the continuity from the master warning switch to
pin 8 of the VDR module.
Verify that the input from the master warning switch is
a positive polarity signal of at least 70% of system
voltage. For example, if the system voltage is 13.8V
then the voltage to the input should be 9.6V or
greater.
Verify operation of the OEM master warning switch.
Master warning switch is
always active (per VDR
Management software
report).
The master warning input to the Vehicle
Data Recorder’s pin 8 is always active.
Verify the input to pin 8 of the VDR module is not
shorted to positive voltage.
Verify operation of the OEM master warning switch.