Dodge Viper SRT-10 (ZB). Manual — part 401
access mode will be locked out for one hour. To
exit this lock out mode, leave the ignition key in
the Run/Start position for one hour. Ensure all
accessories are turned off. Also monitor the bat-
tery state and connect a battery charger if nec-
essary.
After reading Section 3.0 (System Description
and Functional Operation), you should have a bet-
ter understanding of the theory and operation of the
on-board diagnostics, and how this relates to the
diagnosis of a vehicle that may have a driveability-
related symptom or complaint.
3.4
USING THE DRBIII
T
Refer to the DRBIII
t user’s guide for instructions
and assistance with reading trouble codes, erasing
trouble codes, and other DRBIII
t functions.
3.5
DRBIII
T ERROR MESSAGES AND
BLANK SCREEN
Under normal operation, the DRBIII
t will dis-
play one of only two error messages:
– User-Requested WARM Boot by pressing
MORE and NO at the same time.
ver: 2.29
date: 1 Oct 93
file: key_itf.cc
date: Jan 12 1994
line: 544
err: 0x1 User-Requested WARM Boot
Press MORE to switch between this display
and the application screen.
Press F4 when done noting information.
or
– User-Requested
COLD
Boot
by
pressing
MORE and YES at the same time.
ver: 2.29
date: 1 Oct 99
file: key HND1.CC
date: Mar 8 2000
line: 1297
err: 0x1
User-Requested COLD Boot
Press MORE to switch between this display
and the application screen.
Press F4 when done noting information.
If the DRBIII
t should display any other error
message, record the entire display and call the Star
Center.
3.5.1
DRBIII
T DOES NOT POWER UP
If the LED’s do not light or no sound is emitted at
start up, check for loose cable connections or a bad
cable. Check the vehicle battery voltage (data link
connector cavity 16). Check for proper ground con-
nection at DLC cavity. A minimum of 11 volts is
required to adequately power the DRBIII
t.
If all connections are proper between the
DRBIII
t and the vehicle or other devices, and the
vehicle battery is fully charged, and inoperative
DRBIII
t may be the result of a faulty cable or
vehicle wiring. For a blank screen, refer to the
appropriate body diagnostics manual.
3.5.2
DISPLAY IS NOT VISIBLE
Low temperatures will affect the visibility of the
display. Adjust the contrast to compensate for this
condition.
4.0
DISCLAIMERS, SAFETY,
WARNINGS
4.1
DISCLAIMERS
All information, illustrations, and specifications
contained in this manual are based on the latest
information available at the time of publication.
The right is reserved to make changes at any time
without notice.
11
GENERAL INFORMATION
4.2
SAFETY
4.2.1
TECHNICIAN SAFETY INFORMATION
WARNING: ENGINES PRODUCE CARBON
MONOXIDE THAT IS ODORLESS, CAUSES
SLOWER REACTION TIME, AND CAN LEAD
TO SERIOUS INJURY. WHEN THE ENGINE IS
OPERATING, KEEP SERVICE AREAS WELL
VENTILATED OR ATTACH THE VEHICLE
EXHAUST SYSTEM TO THE SHOP EXHAUST
REMOVAL SYSTEM.
Set the parking brake and block the wheels before
testing or repairing the vehicle. It is especially
important to block the wheels on front-wheel drive
vehicles; the parking brake does not hold the drive
wheels.
When servicing a vehicle, always wear eye pro-
tection, and remove any metal jewelry such as
watchbands or bracelets that might make an inad-
vertent electrical contact.
When diagnosing a powertrain system problem,
it is important to follow approved procedures where
applicable. These procedures can be found in the
service manual procedures. Following these proce-
dures is very important to the safety of individuals
performing diagnostic tests.
4.2.2
VEHICLE PREPARATION FOR
TESTING
Make sure the vehicle being tested has a fully
charged battery. If it does not, false diagnostic codes
or error messages may occur.
4.2.3
SERVICING SUB-ASSEMBLIES
Some components of the powertrain system are
intended to be serviced in assembly only. Attempt-
ing to remove or repair certain system sub-
components may result in personal injury and/or
improper system operation. Only those components
with approved repair and installation procedures in
the service manual should be serviced.
4.2.4
DRBIII
T SAFETY INFORMATION
WARNING: EXCEEDING THE LIMITS OF THE
DRBIII
T
MULTIMETER IS DANGEROUS. IT
CAN EXPOSE YOU TO SERIOUS INJURY.
CAREFULLY READ AND UNDERSTAND THE
CAUTIONS
AND
THE
SPECIFICATION
LIMITS.
Follow the vehicle manufacturer’s service specifi-
cations at all times.
•
Do not use the DRBIII
t if it has been damaged.
•
Do not use the test leads if the insulation is
damaged or if metal is exposed.
•
To avoid electrical shock, do not touch the test
leads, tips, or the circuit being tested.
•
Choose the proper range and function for the
measurement. Do not try voltage or current mea-
surements that may exceed the rated capacity.
•
Do not exceed the limits shown in the table below:
FUNCTION
INPUT LIMIT
Volts
0 - 500 peak volts AC
0 - 500 volts DC
Ohms (resistance)*
0 - 1.12 megohms
Frequency Measured
Frequency Generated
0 - 10 kHz
Temperature
-50 - 600°C
-58 - 1100°F
* Ohms cannot be measured if voltage is present.
Ohms can be measured only in a non-powered
circuit.
•
Voltage between any terminal and ground must
not exceed 500v DC or 500v peak AC.
•
Use caution when measuring voltage above 25v
DC or 25v AC.
•
A 10A fuse or circuit breaker must be used to
protect the circuit being tested.
•
Use the low current shunt to measure circuits up
to 10A. Use the high current clamp to measure
circuits exceeding 10A.
•
When testing for the presence of voltage or cur-
rent, make sure the meter is functioning cor-
rectly. Take a reading of a known voltage or
current before accepting a zero reading.
•
When measuring current, connect the meter in
series with the load.
•
Disconnect the live test lead before disconnecting
the common test lead.
•
When using the meter function, keep the
DRBIII
t away from spark plug or coil wires to
avoid measuring error from outside interference.
4.3
WARNINGS AND CAUTIONS
4.3.1
ROAD TEST WARNINGS
Some complaints will require a test drive as part
of the repair verification procedure. The purpose of
the test drive is to try to duplicate the diagnostic
code or symptom condition.
12
GENERAL INFORMATION
CAUTION: Before road testing a vehicle, be
sure that all components are reassembled.
During the test drive, do not try to read the
DRBIII
T
screen while in motion. Do not hang
the DRBIII
T
from the rear view mirror or
operate
it
yourself.
Have
an
assistant
available to operate the DRBIII
T
.
4.3.2
VEHICLE DAMAGE CAUTIONS
Before disconnecting any control module, make
sure the ignition is “off”. Failure to do so could
damage the module.
When testing voltage or continuity at any control
module, use the terminal side (not the wire end) of
the connector. Do not probe a wire through the
insulation; this will damage the insulation and wire
and eventually cause it to fail because of corrosion.
Be careful when performing electrical tests so as
to prevent accidental shorting of terminals. Such
mistakes can damage fuses or components. Also, a
second DTC could be set, making diagnosis of the
original problem more difficult.
5.0
REQUIRED TOOLS AND
EQUIPMENT
DRBIII
t (diagnostic read-out box) scan tool
Evaporative Emissions Leak Detector #8404
fuel filler adapter #8382
fuel pressure adapter (C-6631) or #6539
fuel pressure kit (C-4799-B) or #5069
fuel release hose (C-4799-1)
Min air flow fitting #6714
jumper wires
ohmmeter
oscilloscope
vacuum gauge
voltmeter
12 volt test light minimum 25 ohms resistance
with probe #6801
CAUTION: A 12 volt test light should not be
used for the following circuits, damage to the
powertrain controller will occur.
•
5 Volt Supply
•
8 Volt Supply
•
J1850 PCI Bus
•
CCD Bus
•
CKP Sensor Signal
•
CMP Sensor Signal
•
Vehicle Speed Sensor Signal
•
O2 Sensor Signal
6.0
ACRONYMS
A/C
Air Conditioning
ABS
Anti-Lock Brake System
ASD
Relay
Auto Shutdown Relay
APPS
Accelerator Pedal Position Sensor
Baro
Barometric Pressure
BCM
Body Control Module
BTS
Battery Temperature Sensor
CAA
Clean Air Act
CAB
Controller Antilock Brakes
CARB
California Air Resources Board
CCD Bus
Chrysler Collision Detection Bus
CKP
Sensor
Crank Position Sensor
CMP
Sensor
Camshaft Position Sensor
CO
Carbon Monoxide
DCP
Solenoid
Duty-Cycle Purge Solenoid
DLC
Data Link Connector
DRBIII
t
Diagnostic Readout Box – 3rd Gen-
eration
DTC
Diagnostic Trouble Code
DVOM
Digital Volt Ohm Meter
EATX II
Electronic Automatic Transmission
Controller – 2nd Generation
EC
European Community
ECT
Sensor
Engine Coolant Temperature Sensor
EE-
PROM
Electrically Erasable Programmable
Read Only Memory
EGR
Valve
Exhaust Gas Recirculation Valve
EMCC
Electronic Modulated Converter
Clutch
EMI
Electro-Magnetic Interference
EOBD
European OBD (based upon Euro
Stage III)
EPA
Environmental Protection Agency
13
GENERAL INFORMATION
EPP
Engine Position Pulse
EU
European Union
EVAP
Evaporative Emission System
EVR
Electronic Voltage Regulator
EWMA
Exponentially Weighted Moving
Average
FTP
Federal Test Procedure
HC
Hydrocarbons
HO2S
Heated Oxygen Sensor
Genera-
tor
Previously called “alternator”
IAC
Motor
Idle Air Control Motor
IAT
Sensor
Intake Air Temperature Sensor
I/M
Inspection and Maintenance Testing
JTEC
Jeep/Truck Engine Controller
LDP
Leak Detection Pump
LSIACV
Linear Solenoid Idle Air Control
Valve
MAF
Mass Air Flow
MAP
Sensor
Manifold Absolute Pressure Sensor
MDS2
t
Mopar Diagnostic System – 2nd
Generation
MIL
Malfunction Indicator Lamp
MTV
Manifold Tuning Valve
NGC
Next Generation Controller
NTC
Negative Temperature Coefficient
NVLD
Natural Vacuum Leak Detection
O
2
Sen-
sor
Oxygen Sensor
O2S
Oxygen Sensor
OBD I
On Board Diagnostics – 1st Genera-
tion
OBD II
On-Board Diagnostics – 2nd Gener-
ation
ORVR
On-Board Refueling Vapor Recovery
PCI Bus
Programmable Communications In-
terface BUS (J1850)
PCM
Powertrain Control Module
PCV
Positive Crankcase Ventilation
PDC
Power Distribution Center
PEP
Peripheral Expansion Port
P/N
Park/Neutral
PPS
Proportional Purge Solenoid
PS
Power Steering
PSP
Power Steering Pressure (Switch)
PTC
Positive Temperature Coefficient
PWM
Pulse-Width Modulation
RAM
Random Access Memory
RFI
Radio Frequency Interference
RKE
Remote Keyless Entry
RPM
Revolutions Per Minute
SAE
Society of Automotive Engineers
SBEC
Single Board Engine Controller
SCW
Similar Conditions Window
SKIM
Sentry Key Immobilizer Module
SRV
Short Runner Valve
TCC
Torque Converter Clutch
TCM
Transmission Control Module
TDC
Top Dead Center
TPS
Throttle Position Sensor
TRS
Transmission Range Sensor
VSS
Vehicle Speed Sensor
WOT
Wide Open Throttle
14
GENERAL INFORMATION
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