Dodge Viper SRT-10 (ZB). Manual — part 72
DIAGNOSIS AND TESTING - INSTRUMENT
CLUSTER WARNING/INDICATOR LAMPS
Every time the vehicle is switched to the START/
RUN position, the cluster and gauge pack goes
through a BULB CHECK. This tests most of the
indicator lamps and Liquid Crystal Display (LCD). If
any of the lamps fail to light during the bulb check,
refer to the proper Body Diagnostic Procedures man-
ual. The lamps are not replaceable except for the fog
lamp, high beam, left and right turn signal, engine
ISO symbol, and ABS indicators. None of these
though will illuminate during the bulb check at ini-
tial KEY ON.
To diagnose the cluster lamps place the cluster in
self-diagnostic mode (Refer to 8 - ELECTRICAL/IN-
STRUMENT CLUSTER - STANDARD PROCEDURE
- SELF-DIAGNOSTICS).
STANDARD PROCEDURE
STANDARD PROCEDURE - ENHANCED SEAT
BELT REMINDER
The steps must be performed within the first sixty
seconds of the ignition switch being placed in the
RUN position.
(1) With the ignition switch not in the RUN posi-
tion (OFF), buckle the seat belt.
(2) Turn the ignition switch to the RUN position
and wait for the seat belt lamp to extinguish (approx-
imately six seconds).
(3) Unbuckle and then re-buckle the seat belt
causing the lamp to go ON and OFF three or more
times ending with the belt buckled.
(4) Return the ignition switch to the OFF position
(the feature will toggle from its previous or current
status) and a confirmation chime will sound indicat-
ing to the customer that the proper sequence to
enable/disable the feature was performed.
STANDARD PROCEDURE - SELF-DIAGNOSTICS
To put the instrument cluster and gauge pack in
Self-Diagnostic Mode, press the trip reset button
down and then turn the ignition to the ON position
simultaneously, then release the button after two sec-
onds. The gauges will increment to selected stops and
all indicators will light, except for the turn signal
indicators. The engine ISO lamp will come on when
the ignition is turned ON and the engine is OFF.
Refer to the proper Body Diagnostic Procedures man-
ual if one or more indicators don’t light, or a gauge
does not appear to be functioning correctly.
NOTE: If any of the gauge pointers are stuck on the
wrong side of the pointer stop, perform the instru-
ment cluster self-diagnostic check (Refer to 8 -
ELECTRICAL/INSTRUMENT CLUSTER - STANDARD
PROCEDURE
-
SELF-DIAGNOSTICS).
This
will
“sweep” all the pointers to the correct side of the
pointer stop.
REMOVAL
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Open deck lid.
(2) Remove four bolts to battery compartment
cover and remove cover.
(3) Disconnect and isolate the battery negative
cable.
(4) Wait two minutes for the airbag system reserve
capacitor to discharge before beginning any airbag
system or instrument panel component service.
(5) Remove center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - REMOVAL).
(6) Remove six screws and disconnect three electri-
cal connectors to instrument panel center bezel and
remove bezel from vehicle.
(7) Using a trim stick (special tool #C-4755) or
equivalent, gently pry out on cluster bezel.
(8) Disconnect one electrical connector and remove
cluster bezel from vehicle.
(9) Remove four screws and two electrical connec-
tors to the instrument cluster and remove from
panel.
INSTALLATION
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Install four screws and two electrical connec-
tors to the instrument cluster.
(2) Connect one electrical connector on cluster
bezel, place in position over retaining slots and
firmly snap into place.
(3) Connect one electrical connector to instrument
panel center bezel and install six screws to center
bezel.
(4) Install center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - INSTALLATION).
(5) Connect the battery negative cable.
(6) Place battery access cover into place and install
four bolts.
(7) Close deck lid.
(8) Verify vehicle and system operation.
8J - 4
INSTRUMENT CLUSTER
ZB
INSTRUMENT CLUSTER (Continued)
AIRBAG INDICATOR
DESCRIPTION
An airbag indicator is standard equipment on all
instrument clusters. However, the instrument cluster
can be programmed to disable this indicator on vehi-
cles that are not equipped with the airbag system,
which is not available in some markets. The airbag
indicator is located in the Information Center area of
the instrument cluster, to the left of center. The air-
bag indicator consists of a symbol in the opaque layer
of the instrument cluster overlay. The dark outer
layer of the overlay prevents the indicator from being
clearly visible when it is not illuminated. A red Light
Emitting Diode (LED) behind the cutout in the
opaque layer of the overlay causes the AIRBAG tell-
tale to appear in red through the translucent outer
layer of the overlay when the indicator is illuminated
from behind by the LED, which is soldered onto the
instrument cluster electronic circuit board. The air-
bag indicator is serviced as a unit with the instru-
ment cluster.
OPERATION
The airbag indicator gives an indication to the
vehicle operator when the airbag system is faulty or
inoperative. The airbag indicator is controlled by a
transistor on the instrument cluster circuit board
based upon cluster programming and electronic mes-
sages received by the cluster from the Occupant
Restraint Controller (ORC) over the Programmable
Communications Interface (PCI) data bus. The airbag
indicator Light Emitting Diode (LED) is completely
controlled by the instrument cluster logic circuit, and
that logic will only allow this indicator to operate
when the instrument cluster receives a battery cur-
rent input on the fused ignition switch output (RUN)
circuit. Therefore, the LED will always be off when
the ignition switch is in any position except ON. The
LED only illuminates when it is provided a path to
ground by the instrument cluster transistor. The
instrument cluster will turn on the airbag indicator
for the following reasons:
• Bulb Test - Each time the ignition switch is
turned to the ON position the airbag indicator is illu-
minated for about seven seconds. The first two sec-
onds is the cluster bulb test function, and the
remainder is the ORC bulb test function.
• ORC Lamp-On Message - Each time the clus-
ter receives a lamp-on message from the ORC, the
airbag indicator will be illuminated. The indicator
remains illuminated for about six to eight seconds or
until the cluster receives a lamp-off message from
the ORC, whichever is longer.
• Communication Error - If the cluster receives
no airbag messages for ten consecutive seconds, the
airbag
indicator
is
illuminated.
The
indicator
remains illuminated until the cluster receives a sin-
gle lamp-off message from the ORC.
• Actuator Test - Each time the cluster is put
through the actuator test, the airbag indicator will be
turned ON, then OFF again during the bulb check
portion of the test to confirm the functionality of the
LED and the cluster control circuitry. The actuator
test illumination of the airbag indicator is a function
of the instrument cluster.
The ORC continually monitors the airbag system
circuits and sensors to decide whether the system is
in good operating condition. The ORC then sends the
proper LAMP-ON or LAMP-OFF messages to the
instrument cluster. If the ORC sends a LAMP-ON
message after the bulb test, it indicates that the
ORC has detected a system malfunction and/or that
the airbags and seat belt tensioners may not deploy
when required, or may deploy when not required.
The ORC will store a Diagnostic Trouble Code (DTC)
for any malfunction it detects. Each time the airbag
indicator fails to illuminate due to an open or short
in the cluster airbag indicator circuit, the cluster
sends a message notifying the ORC of the condition,
the ORC will store a DTC. For proper diagnosis of
the airbag system, the ORC, the PCI data bus, or the
electronic message inputs to the instrument cluster
that control the airbag indicator, a DRBIII
t scan tool
and the proper Body Diagnostic Procedures manual
must be used.
INSTRUMENT CLUSTER
GAUGE PACK
REMOVAL
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Open deck lid.
(2) Remove four bolts to battery compartment
cover and remove cover.
(3) Disconnect and isolate the battery negative
cable.
(4) Wait two minutes for the airbag system reserve
capacitor to discharge before beginning any airbag
system or instrument panel component service.
(5) Remove center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - REMOVAL).
(6) Remove six screws and disconnect three electri-
cal connectors to instrument panel center bezel and
remove bezel from vehicle.
(7) Remove five screws and two electrical connec-
tors to the instrument cluster gauge pack and
remove from panel (Fig. 1).
ZB
INSTRUMENT CLUSTER
8J - 5
INSTALLATION
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Install five screws and two electrical connectors
to the instrument cluster gauge pack (Fig. 1).
(2) Connect one electrical connector to instrument
panel center bezel and install six screws to center
bezel.
(3) Install center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - INSTALLATION).
(4) Connect the battery negative cable.
(5) Place battery access cover into place and install
four bolts.
(6) Close deck lid.
(7) Verify vehicle and system operation.
INSTRUMENT CLUSTER
GAUGE PACK LENS
REMOVAL
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Open deck lid.
(2) Remove four bolts to battery compartment
cover and remove cover.
(3) Disconnect and isolate the battery negative
cable.
(4) Wait two minutes for the airbag system reserve
capacitor to discharge before beginning any airbag
system or instrument panel component service.
(5) Remove center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - REMOVAL).
(6) Remove six screws and disconnect three electri-
cal connectors to instrument panel center bezel and
remove bezel from vehicle.
(7) Remove five screws and two electrical connec-
tors to the instrument cluster gauge pack and
remove from panel (Fig. 1).
(8) Remove the two lens retaining screws to
instrument cluster gauge pack lens and separate.
INSTALLATION
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Install the two lens retaining screws to the
instrument cluster gauge pack lens.
(2) Install five screws and two electrical connectors
to the instrument cluster gauge pack (Fig. 1).
(3) Connect one electrical connector to instrument
panel center bezel and install six screws to center
bezel.
(4) Install center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - INSTALLATION).
(5) Connect the battery negative cable.
(6) Place battery access cover into place and install
four bolts.
(7) Close deck lid.
(8) Verify vehicle and system operation.
INSTRUMENT CLUSTER LENS
REMOVAL
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Open deck lid.
(2) Remove four bolts to battery compartment
cover and remove cover.
(3) Disconnect and isolate the battery negative
cable.
(4) Wait two minutes for the airbag system reserve
capacitor to discharge before beginning any airbag
system or instrument panel component service.
(5) Remove center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - REMOVAL).
(6) Remove six screws and disconnect three electri-
cal connectors to instrument panel center bezel and
remove bezel from vehicle.
(7) Using a trim stick (special tool #C-4755) or
equivalent, gently pry out on cluster bezel.
Fig. 1 INSTRUMENT CLUSTER GAUGE PACK
1 - TPM MODULE
2 - INSTRUMENT CLUSTER GAUGE PACK
8J - 6
INSTRUMENT CLUSTER
ZB
INSTRUMENT CLUSTER GAUGE PACK (Continued)
(8) Disconnect one electrical connector and remove
cluster bezel from vehicle.
(9) Remove four screws and two electrical connec-
tors to the instrument cluster and remove from
panel.
(10) Remove the three lens retaining screws from
cluster.
(11) Push in on retaining tabs along the edge of
the cluster and pull up on cluster lens to remove.
INSTALLATION
Follow all Warnings for airbag component service
(Refer to 8 - ELECTRICAL/RESTRAINTS - WARN-
ING).
(1) Place the cluster lens over the retaining slots
and firmly snap into place.
NOTE: There are some “Rubber Boots” affixed to
the bottom of the cluster mask/lens, where it inter-
faces with the cluster housing. Make sure these are
present and positioned properly to prevent possible
rattles.
(2) Install the three retaining screws to the cluster
lens.
(3) Install four screws and two electrical connec-
tors to the instrument cluster.
(4) Connect one electrical connector on cluster
bezel, place in position over retaining slots and
firmly snap into place.
(5) Connect one electrical connector to instrument
panel center bezel and install six screws to center
bezel.
(6) Install center console (Refer to 23 - BODY/IN-
TERIOR/CENTER CONSOLE - INSTALLATION).
(7) Connect the battery negative cable.
(8) Place battery access cover into place and install
four bolts.
(9) Close deck lid.
(10) Verify vehicle and system operation.
PASS AIRBAG OFF INDICATOR
DESCRIPTION
The Passenger Airbag OFF Indicator is part of the
instrument cluster gauge pack. The indicator uses a
single integral amber Light Emitting Diode (LED)
and is not serviceable. The indicator is controlled by
the Occupant Restraint Controller (ORC) based on
the position of the passenger airbag ON/OFF switch,
located in the center console storage bin. See the
vehicles owner’s manual in the vehicle glove box for
specific recommendations on when to enable or dis-
able the passenger airbag. The passenger airbag
ON/OFF switch allows the customer to turn the pas-
senger airbag function ON or OFF to accommodate
certain uses of the right front seating position. The
lamp is visible to both occupants. the lamp is illumi-
nated whenever the passenger airbag ON/OFF switch
is set to the ”OFF” switch position or whenever the
ORC has a fault that would dictate illuminating the
passenger airbag ON/OFF switch lamp.
OPERATION
When the passenger airbag ON/OFF switch is in
the OFF position, the Occupant Restraint Controller
(ORC) provides a ground to the ON/OFF switch
which energizes the Light Emitting Diode (LED) that
illuminates the lamp. The ORC will also illuminate
the ON/OFF switch for about seven seconds each
time the ignition switch is turned to the ON position
as a bulb check. The ORC will also store a Diagnostic
Trouble Code (DTC) for any fault it detects in the
passenger airbag ON/OFF switch lamp indicator cir-
cuit. For proper diagnosis of the switch a DRBIII
t
scan tool and the proper Body Diagnostic Procedures
manual must be used.
SEAT BELT WARNING
INDICATOR
DESCRIPTION
The enhanced seat belt reminder feature will
prompt the occupants to buckle their seat belt by
periodically flashing the seat belt indicator and
sounding an audible chime for a period of time.
OPERATION
To avoid nuisance warning, the enhanced seat belt
warning feature has been designed to look for specific
vehicle conditions before triggering the warning. The
conditions are:
• Ignition in RUN for greater than sixty seconds.
• Seat Belt unbuckled.
• Vehicle moving.
Once triggered, the enhanced warning feature will
continue until the occupant buckles his/her seat belt
or the feature times out after ninety seconds. This
feature can be disabled using a DRB III
t scan tool. It
is also customer programmable and may be enabled/
disabled by the customer.
ZB
INSTRUMENT CLUSTER
8J - 7
INSTRUMENT CLUSTER LENS (Continued)
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