DIAGNOSIS AND TESTING
CHIME CONDITIONS
No tone when ignition switch is turned on and
drivers seat belt is unbuckled and fully retracted.
(1) Check driver’s seat belt retractor switch for a
ground when belt is unbuckled.
(2) Use a DRB lllt scan tool to perform PCI bus
diagnostics on the Body Control Module (BCM) for
battery, ignition and seat belt switch input.
(3) Use a DRB lllt scan tool to perform actuator
diagnostics on BCM chime.
(4) Check for battery feed at terminal J1-7 and
ignition feed at terminal J1-5 of the BCM connector.
(5) Check for tone in any other function.
No fasten seat belt lamp when ignition switch is
turned on.
(1) Use DRB lllt scan tool to perform PCI bus
diagnostics on BCM for battery and ignition switch
input
(2) Check for burned out bulb.
(3) Using the DRB lllt scan tool, do the actuator
test on cluster. Refer to proper Body Diagnostic Pro-
cedures Manual.
(4) Check for battery feed at terminal J1-7 of the
BCM connector.
(5) Check for ignition feed at terminal J1-5 of the
BCM connector.
Fig. 1 Chime/Buzzer Warning System Schematic
8U - 2 CHIME/BUZZER WARNING SYSTEMS LH
DESCRIPTION AND OPERATION (Continued)
To Next Page
Loading...
