Chrysler PT Cruiser. Manual — part 8
•
Use caution when measuring voltage above 25v
DC or 25v AC.
•
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 test lead.
•
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
4.3.1
VEHICLE DAMAGE WARNINGS
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 it and eventually cause
it to fail because of corrosion. Be careful when
performing electrical tests so as to prevent acciden-
tal shorting of terminals. Such mistakes can dam-
age fuses or components. Also, a second code could
be set, making diagnosis of the original problem
more difficult.
4.3.2
ROAD TESTING A COMPLAINT
VEHICLE
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.
WARNING: REASSEMBLE
ALL
COMPONENTS
BEFORE ROAD TESTING A VEHICLE. DO NOT TRY
TO READ THE DRBIII
T
SCREEN OR OTHER TEST
EQUIPMENT DURING A TEST DRIVE. DO NOT
HANG THE DRBIII
T
OR OTHER TEST EQUIPMENT
FROM THE REARVIEW MIRROR DURING A TEST
DRIVE. HAVE AN ASSISTANT AVAILABLE TO
OPERATE
THE
DRBIII
T
OR
OTHER
TEST
EQUIPMENT.
FAILURE
TO
FOLLOW
THESE
INSTRUCTIONS CAN RESULT IN PERSONAL
INJURY OR DEATH.
5.0
REQUIRED TOOLS AND
EQUIPMENT
DRBIII
t (diagnostic read-out box)
Jumper Wires
Ohmmeter
Voltmeter
Sentry Key Tester
Test Light
8310 Airbag Load Tool
8443 SRS Airbag System Load Tool
6.0
GLOSSARY OF TERMS
ABS
antilock brake system
ACM
airbag control module
BUX
built up export
CAB
controller antilock brake
CTM
compass/temperature module
DAB
driver airbag
DLC
data link connector
DTC
diagnostic trouble code
ECM
engine control module
HFM
hands free module
LHD
left hand drive
MIC
mechanical instrument cluster
NAV
navigation
NGC
Next Generation Controller
ORC
occupant restraint controller (ACM)
ORS
occupant restraint system
PAB
passenger airbag
PCI
Programmable Communication In-
terface (vehicle communication bus)
PCM
powertrain control module
PDC
power distribution center
PWM
pulse width modulated
RHD
right hand drive
RKE
remote keyless entry
SBT
seat belt tensioner
SCI
serial communication interface
SDAR
satellite digital audio receiver
SKIM
sentry key immobilizer module
SKIS
sentry key immobilizer system
SQUIB
also called initiator (located in rear
of airbag module)
TCM
transmission control module
VFD
vacuum fluorescent display
VTSS
vehicle theft security system
WRM
window regulator module
19
GENERAL INFORMATION
NOTES
20
7.0
DIAGNOSTIC INFORMATION AND
PROCEDURES
21
Symptom List:
ACCELEROMETER 1
INTERNAL 1
INTERNAL 2
INTERNAL 3
INTERNAL 4
OUTPUT DRIVER 1
OUTPUT DRIVER 2
STORED ENERGY FIRING 1
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be ACCELEROMETER 1.
When Monitored and Set Condition:
ACCELEROMETER 1
When Monitored:
With the ignition on, the module on board diagnostics continuously
performs internal circuit tests.
Set Condition:
This DTC will set if the module identifies an out of range internal circuit.
INTERNAL 1
When Monitored:
With the ignition on, the module on board diagnostics continuously
performs internal circuit tests.
Set Condition:
This DTC will set if the module identifies an out of range internal circuit.
INTERNAL 2
When Monitored:
With the ignition on, the module on board diagnostics continuously
performs internal circuit tests.
Set Condition:
This DTC will set if the module identifies an out of range internal circuit.
INTERNAL 3
When Monitored:
With the ignition on, the module on board diagnostics continuously
performs internal circuit tests.
Set Condition:
This DTC will set if the module identifies an out of range internal circuit.
INTERNAL 4
When Monitored:
With the ignition on, the module on board diagnostics continuously
performs internal circuit tests.
Set Condition:
This DTC will set if the module identifies an out of range internal circuit.
22
AIRBAG
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