Dodge Viper SRT-10 (ZB). Manual — part 277
1.0
INTRODUCTION
The procedures contained in this manual include
all the specifications, instructions and graphics
needed to diagnose 2005 ZB/SRT-10 body system
problems. The diagnostics in this manual are based
on the failure condition or symptom being present
at the time of diagnosis.
Please follow the recommendations below when
choosing your diagnostic path.
1. First make sure the DRBIII
t is communicating
with the appropriate modules; i.e., if the
DRBIII
t displays a “No Response” or a “Bus 6
Signals Open” condition, you must diagnose that
first.
2. Read DTC’s (diagnostic trouble codes) with the
DRBIII
t.
3. If no DTC’s are present, identify the customer
complaint.
4. Once the DTC or customer complaint is identi-
fied, locate the matching test in the Table of
Contents and begin to diagnose the symptom.
All component location views are in Section 8.0. All
connector pinouts are in Section 9.0. All schematics
are in Section 10.0. All Charts and Graphs are in
Section 11.0.
An * placed before the symptom description indi-
cated a customer complaint.
When repairs are required, refer to the appropri-
ate service information for the proper removal and
repair procedure.
Diagnostic procedures change every year. New
diagnostic systems may be added: carryover sys-
tems may be enhanced. READ THIS MANUAL
BEFORE TRYING TO DIAGNOSE A VEHICLE
DIAGNOSTIC TROUBLE CODE. It is recom-
mended that you review the entire manual to be-
come familiar with all the new and changed diag-
nostic procedures.
This book reflects many suggested changes from
readers of past issues. After using this book, if you
have any comments or suggestions, please fill out
the form in the back of this book and mail it back to
us.
1.1
SYSTEM COVERAGE
This diagnostic procedures manual covers all
2005 ZB/SRT-10 vehicles.
1.2
SIX-STEP TROUBLESHOOTING
PROCEDURE
Diagnosis of the body system is done in six basic
steps:
•
verification of complaint
•
verification of any related symptoms
•
symptom analysis
•
problem isolation
•
repair of isolated problem
•
verification of proper operation
2.0
IDENTIFICATION OF
SYSTEM
The vehicle systems that are part of the “body”
system are:
•
Airbag
•
Audio
•
Chime
•
Communication
•
Door Ajar System
•
Electrically heated system
•
Exterior lighting
•
Heating and A/C
•
Instrument Cluster
•
Interior Lighting
•
Power Door Lock/RKE
•
Power windows
•
Tire Pressure Monitoring System (TPMS)
•
Vehicle Theft Security System (VTSS)
•
Windshield Wiper and Washer
3.0
SYSTEM DESCRIPTION AND
FUNCTIONAL OPERATION
The body system on the 2005 ZB consists of a
combination of modules that communicate over the
PCI bus (Programmable Communication Interface
multiplex system). Through the PCI bus, informa-
tion about the operation of vehicle components and
circuits is relayed quickly to the appropriate mod-
ule(s). All modules receive all the information trans-
mitted on the bus even though a module may not
require all information to perform it’s function. It
will only respond to messages “addressed” to it
through a binary coding process. This method of
data transmission significantly reduces the com-
plexity of the wiring in the vehicle and the size of
wiring harnesses. All of the information about the
functioning of all the systems is organized, con-
trolled, and communicated by the PCI bus, which is
described in the Communication Section of this
general information.
1
GENERAL INFORMATION
3.1
AIRBAG SYSTEM
The ZB Airbag System contain the following
components: Occupant Restraint Controller (ORC),
Airbag Warning Indicator, Clockspring, Driver and
Passenger dual stage Airbags, Driver and Passen-
ger Hall-effect Seat Belt buckles Switches (SBS),
Driver and Passenger Seat Belt Tensioners (SBT)
and a Passenger Airbag On-Off Switch.
The Occupant Restraint Controller (ORC) is a
new type of Airbag Control Module (ACM). The new
ACM supports staged airbag deployment. Staged
deployment is the ability to trigger airbag system
squib inflators individually as needed to provide the
appropriate restraint for the severity of the impact.
The ACM has four major functions: PCI Bus com-
munications, onboard diagnostics, impact sensing,
and component deployment. The ACM also contains
an energy-storage capacitor. This capacitor stores
enough electrical energy to deploy the front airbag
components for two seconds following a battery
disconnect or failure during an impact. The ACM is
secured to the floor panel transmission tunnel un-
der the console. The ACM cannot be repaired or
adjusted. The ACM sends and/or receives PCI Bus
messages with the Instrument Cluster (MIC), Body
Control Module (BCM).
The microprocessor in the ACM monitors the
impact sensors signals and the airbag system elec-
trical circuits to determine the system readiness. If
the ACM detects a monitored system fault it sends
a message to the instrument cluster via PCI bus to
turn on the airbag warning indicator. The ACM can
set both active and stored diagnostic trouble codes
to aid in the diagnosing system problems. See
DIAGNOSTIC TROUBLE CODES in this section.
The ACM uses two front impact sensors and ACM
Accelerometer to sense the rate of vehicle decelera-
tion, provide verification of the direction and sever-
ity of an impact. A pre-programmed decision algo-
rithm in the ACM microprocessor determines when
the deceleration rate is severe enough to require
airbag system protection. The ACM also uses the
driver and front passenger seat belt switch status
(buckled or unbuckled) and crash severity to deter-
mine the level of driver and front passenger airbag
deployment, low medium or high. When the pro-
grammed conditions are met, the ACM sends an
electrical signal to deploy the appropriate airbag
system components.
WARNING:
THE AIRBAG
SYSTEM
IS A
SENSITIVE, COMPLEX ELECTRO-MECHANI-
CAL
UNIT.
BEFORE
ATTEMPTING
TO
DIAGNOSE
OR
SERVICE
ANY
AIRBAG
SYSTEM OR RELATED STEERING WHEEL,
STEERING
COLUMN,
OR
INSTRUMENT
PANEL COMPONENTS YOU MUST FIRST
DISCONNECT AND ISOLATE THE BATTERY
NEGATIVE (GROUND) CABLE. WAIT TWO
MINUTES FOR THE SYSTEM CAPACITOR TO
DISCHARGE BEFORE FURTHER SYSTEM
SERVICE. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIRBAG SYSTEM. FAILURE
TO DO THIS COULD RESULT IS ACCIDENTAL
AIRBAG
DEPLOYMENT
AND
POSSIBLE
PERSONAL INJURY. NEVER STRIKE OR
KICK THE AIRBAG CONTROL MODULE, AS
IT CAN DAMAGE THE IMPACT SENSOR OR
AFFECT ITS CALIBRATION. IF AN AIRBAG
CONTROL
MODULE
IS
ACCIDENTALLY
DROPPED DURING SERVICE, THE MODULE
MUST BE SCRAPPED AND REPLACED WITH
A NEW
UNIT.
FAILURE
TO
TAKE
THE
PROPER PRECAUTIONS COULD RESULT IN
ACCIDENTAL AIRBAG DEPLOYMENT AND
PERSONAL INJURY OR DEATH.
The airbag warning indicator is the only point at
which the customer can observe symptoms of a
system malfunction. Whenever the ignition key is
turned to the run or start position, the ACM per-
forms a lamp check by turning the airbag warning
indicator on for 6 to 8 seconds. After the lamp check,
if the indicator turns off, it means that the ACM has
checked the system and found it to be free of
discernable malfunctions. If the lamp remains on,
there could be an active fault in the airbag system
or the MIC airbag warning lamp circuit may be
internally shorted. If the lamp comes on and stays
on for a period longer than 6 to 8 seconds then goes
off, there is usually an intermittent problem in the
system.
3.1.1
DRIVER AIRBAG
The airbag protective trim cover is the most
visible part of the driver side airbag system. The
protective trim cover is fitted to the front of the
airbag module and forms a decorative cover in the
center of the steering wheel. The module is
mounted directly to the steering wheel. The module
is mounted directly to the steering wheel. Located
under the trim cover are the horn switch, the airbag
cushion, and the airbag cushion supporting compo-
nents. The airbag module includes a housing which
the cushion and hybrid inflator are attached and
sealed. The ZB is equipped with driver airbag with
2
GENERAL INFORMATION
dual stage inflators. When supplied with the proper
electrical signal, the inflator or inflators discharge
the gas directly into the cushion. The airbag module
cannot be repaired, and must be replaced if de-
ployed or in any way damaged.
WARNING: THE DRIVER AIRBAG MODULE
CONTAINS ARGON GAS PRESSURIZED TO
OVER 17236.89 Kpa (2500 PSI). DO NOT
ATTEMPT
TO
DISMANTLE
AN
AIRBAG
MODULE OR TAMPER WITH ITS INFLATOR.
DO NOT PUNCTURE, INCINERATE OR BRING
INTO CONTACT WITH ELECTRICITY. DO NOT
STORE AT TEMPERATURE EXCEEDING 93°C
(200°F). REPLACE AIRBAG SYSTEM COMPO-
NENTS ONLY BUT INTERNAL DIFFERENCES
MAY
RESULT
IN
INFERIOR
OCCUPANT
PROTECTION. THE FASTENERS, SCREWS,
AND BOLTS ORIGINALLY USED FOR THE
AIRBAG
SYSTEM
COMPONENTS
HAVE
SPECIAL COATINGS AND ARE SPECIFICAL-
LY DESIGNED FOR THE AIRBAG SYSTEM.
THEY SUBSTITUTES. ANY TIME A NEW
FASTENER MUST NEVER BE REPLACED
WITH ANY IS NEEDED, REPLACE IT WITH
THE CORRECT FASTENERS PROVIDED IN
THE SERVICE PACKAGE OR SPECIFIED IN
THE MOPAR PARTS CATALOG. FAILURE TO
TAKE THE PROPER PRECAUTIONS COULD
RESULT
IN
ACCIDENTAL
AIRBAG
DEPLOYMENT AND PERSONAL INJURY OR
DEATH.
DRIVER AIRBAG SQUIB STATUS
(1) Using a DRBIII
t read Airbag DTC’s
If the following active codes are present:
ACTIVE DTC
CONDITIONS
SQUIB STATUS
Driver Squib 1 open
Driver Squib 2 open
Check the stored DTC’s AND IF the stored
minutes for both are within 15 minutes of
each other.
Both Driver Squib 1 and 2
were used.
Driver Squib 1 open
Driver Squib 2 open
Check the stored DTC’s AND IF the stored
minutes for Driver Squib 2 open is
GREATER than the stored minutes for
Driver Squib 1 by 15 minutes or more.
Driver Squib 1 was used;
Driver Squib 2 is live.
Driver Squib 1 open
Driver Squib 2 open
Check the stored DTC’s AND IF the stored
minutes for Driver Squib 1 open is
GREATER than the stored minutes for
Driver Squib 2 by 15 minutes or more.
Driver Squib 1 is live;
Driver Squib 2 was used.
If Driver Squib 1 open is
an active code.
Check the stored DTC’s AND IF Driver
Squib 2 open is NOT an active code.
Driver Squib 1 was used;
Driver Squib 2 is live.
If Driver Squib 2 open is
an active code.
Check the stored DTC’s AND IF Driver
Squib 1 open is NOT an active code.
Driver Squib 1 is live;
Driver Squib 2 was used.
3
GENERAL INFORMATION
If neither of the following codes is an active code:
ACTIVE DTC
SQUIB STATUS
Driver Squib 1 open
Driver Squib 2 open
Status of Airbag is Un-
known.
CAUTION: Deployed Front Air Bags may or
may not have live pyrotechnic material within
the air bag inflator. Do not dispose of Driver
and Passenger Airbags unless you are sure
of complete deployment. Please refer to the
Hazardous Substance Control System for
Proper Disposal. Dispose of deployed air
bags in a manner consistent with state,
provincial, local, and federal regulations.
3.1.2
CLOCKSPRING
The clockspring is mounted on the steering col-
umn behind the steering wheel. This assembly
consist of a plastic housing which contains a flat,
ribbon-like, electrically conductive tape that winds
and unwinds with the steering wheel rotation. The
clockspring is used to maintain a continuous elec-
trical circuit between the instrument panel wiring,
the driver airbag and the horn. The clockspring
must be properly centered when it is reinstalled on
the steering column following any service proce-
dure, or it could be damaged. The clockspring can-
not be repaired and it must be replaced.
3.1.3
PASSENGER AIRBAGS
The ZB is equipped with front passenger airbag
with dual stage squib inflators. When supplied with
the proper electrical signal the passenger airbag
inflator or inflators discharge the gas directly into
the cushion. The airbag module cannot be repaired,
and must be replaced if deployed or in any way
damaged.
WARNING:
THE
PASSENGER
AIRBAG
MODULE
CONTAINS
INERT
GAS
PRESSURIZED TO 17236.89 Kpa (2500 PSI).
DO
NOT ATTEMPT
TO
DISMANTLE AN
AIRBAG MODULE OR TAMPER WITH ITS
INFLATOR. DO NOT PUNCTURE, INCINER-
ATE,
OR
BRING
INTO
CONTACT
WITH
ELECTRICITY. DO NOT STORE AT TEMPERA-
TURE EXCEEDING 93°C (200°F). REPLACE
AIRBAG SYSTEM COMPONENTS ONLY WITH
PARTS SPECIFIED IN THE MOPAR PARTS
CATALOG.
SUBSTITUTE
PARTS
MAY
APPEAR INTERCHANGEABLE, BUT INTERN-
AL DIFFERENCES MAY RESULT IN INFERIOR
OCCUPANT PROTECTION. THE FASTENERS,
SCREWS, AND BOLTS ORIGINALLY USED
FOR THE AIRBAG SYSTEM COMPONENTS
HAVE
SPECIAL
COATINGS
AND
ARE
SPECIFICALLY DESIGNED FOR THE AIRBAG
SYSTEM. THEY MUST NEVER BE REPLACED
WITH ANY SUBSTITUTES. ANY TIME A NEW
FASTENER IS NEEDED, REPLACE IT WITH
THE CORRECT FASTENERS PROVIDED IN
THE SERVICE PACKAGE OR SPECIFIED IN
THE MOPAR PARTS CATALOG. FAILURE TO
TAKE THE PROPER PRECAUTIONS COULD
RESULT
IN
ACCIDENTAL
AIRBAG
DEPLOYMENT AND PERSONAL INJURY OR
DEATH.
PASSENGER AIRBAG SQUIB STATUS
(1) Using a DRBIII
t read Airbag DTC’s
If the following active codes are present:
ACTIVE DTC
CONDITIONS
SQUIB STATUS
Passenger Squib 1 open
Passenger Squib 2 open
Check the stored DTC’s AND IF the stored
minutes for both are within 15 minutes of
each other.
Both Passenger Squib 1
and 2 were used.
Passenger Squib 1 open
Passenger Squib 2 open
Check the stored DTC’s AND IF the stored
minutes for
Passenger Squib 2 open is GREATER than
the stored minutes for
Passenger Squib 1 by 15 minutes or more.
Passenger Squib 1 was
used;
Passenger Squib 2 is live.
Passenger Squib 1 open
Passenger Squib 2 open
Check the stored DTC’s AND IF the stored
minutes for
Passenger Squib 1 open is GREATER than
the stored minutes for
Passenger Squib 2 by 15 minutes or more.
Passenger Squib 1 is live;
Driver Squib 2 was used.
4
GENERAL INFORMATION
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