Dodge RAM TRUCK 1500 1995 Service Manual page 523

§U - 2 CHIME/BUZZER WARNING SYSTEMS
B R
module. When the tip-half of the seat belt is inserted paired. If faulty, the entire driver's seat belt buckle-
into the seat belt buckle, the switch opens the buzzer half' must be replaced. Eefer to Group 23 - Body
ground path. The seat belt switch can not be re- Components for service procedures.
DIAGNOSIS
BUZZER MODULE
(1) Check fuse 17 and fuse 11 in the fuseblock
module. If fuses are OK, go to next step. If not OK,
replace fuses as required.
(2) Check for battery voltage at fuse 17 in fuse-
block module, if OK, go to next step. If not OK, re­
pair feed circuit from power distribution center as
required.
(3) Turn ignition switch to ON position. Check for
battery voltage at fuse 11 in the fuseblock module, if
OK, go to next step, if not OK, repair feed from ig­
nition switch as required.
(4) Turn ignition switch to OFF position. Replace
buzzer module with a known good unit and test op­
eration. If not OK, remove buzzer module and go to
next step.
(5) Check for battery voltage at cavity for buzzer
terminal 7 (Fig.2) in fuseblock module (Fig. 3). If OK,
go to next step. If not OK, repair circuit to fuse 17.
UGHTS-ON / KEY-1N - IGNITION
W A R N I N G
/ T O P .
B A T T E R Y ( + )
IGNITION
SEAT BELT
\RHMG LIGHT
GROUND
SEAT BELT
SWITCH
J928U-9
Fig. 2 Buzzer Module Terminals
(6) Turn ignition switch to ON position. Check for
battery voltage at cavity for buzzer terminal 1 in
fuseblock module. If OK, go to next step. If not OK,
repair circuit to fuse 11 in fuseblock module.
(7) Turn ignition switch to OFF position. Check for
continuity between cavity for buzzer terminal 3 and
a good ground. There should be continuity if OK, go
to diagnosis for switch that is related to buzzer mal­
function. If not OK, repair circuit to ground" as re­
quired.
S E A T BELT
S W I T C H
G R O U N D
S E A T B E L T ! r f L
L I G H T
I G N I T I O N
T O D O O R S W I T C H
- K E Y I N S W I T C H A N D
H E A D L A M P O N S W I T C H J 9 4 8 U - 3
Fig. 3 Buzzer Module Connector
DRIVER'S DOOR JAMB SWITCH
(1) Open driver's door and note whether interior
lamps light. They should light. If OK, see diagnosis
for Ignition Key-In Switch or Headlamp Switch. If
not OK, go to next step.
(2) Check for continuity between door jamb switch
body and a good ground. There should be continuity.
If OK, go to next step. If not OK, tighten or clean
switch attachment to hinge pillar as required to re­
store ground path.
(3) Remove switch from hinge pillar and check
wire connections for clean and tight engagement. If
OK, replace faulty switch. If not OK, clean and
tighten connections as required.
IGNITION KEY-IN SWITCH
(1) Remove steering column shrouds (refer to
Group 8D - Ignition Systems for procedure). Unplug
ignition key-in switch connector from ignition switch
(Fig. 4). Open driver's door. Check for continuity be­
tween key-in connector (Fig. 5) cavity 4 (black/light
blue wire) and a good ground. There should be conti­
nuity. If OK, go to next step. If not OK, repair circuit
to driver's door jamb switch as required.