Chrysler PT Cruiser. Manual — part 1002
TEST
ACTION
APPLICABILITY
7
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Connect a jumper wire between Fused B+ circuit and the Transmission Control Relay
Output circuit.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, check both Transmission Control
Relay Output circuits in the appropriate terminal of special tool #8815.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Go To 8
No
→ Repair the Transmission Control Relay Output circuit for an open
or high resistance.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
8
Turn the ignition off to the lock position.
Install a substitute Relay in place of the Transmission Control Relay.
Start the engine.
Using a voltmeter, measure the battery voltage.
With the DRBIII
t, monitor the Transmission Switched Battery Voltage.
Compare the DRBIII
t Transmission Switched Battery voltage to the actual battery
voltage.
Is the DRBIII
t voltage within 2.0 volts of the battery voltage?
All
Yes
→ Replace the Transmission Control Relay.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
No
→ Go To 9
9
Using the schematics as a guide, inspect the wiring and connectors. Repair as
necessary. Pay particular attention to all power and ground circuits.
Check for any Technical Service Bulletins (TSB’s) and S.T.A.R. ON-LINE for any
possible causes that may apply.
If there are no possible causes remaining, view repair.
All
Repair
Replace the Powertrain Control Module per the Service Informa-
tion. WITH THE DRBIII
t PERFORM QUICK LEARN AND
REPROGRAM PINION FACTOR.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
40
TRANSMISSION - NGC
P0562-LOW BATTERY VOLTAGE —
Continued
TEST
ACTION
APPLICABILITY
10
The conditions necessary to set the DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring and connectors while checking for shorts and open circuits.
With the DRBIII
t, check the EATX EVENT DATA to help identify the conditions in
which the DTC was set.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
No
→ Test Complete.
41
TRANSMISSION - NGC
P0562-LOW BATTERY VOLTAGE —
Continued
Symptom:
P0602-CONTROL MODULE PROGRAMMING ERROR
When Monitored and Set Condition:
P0602-CONTROL MODULE PROGRAMMING ERROR
When Monitored:
Continuously
Set Condition:
The DTC will always light the MIL, and is designed to signal the
technician that the controller still has generic software installed.
TEST
ACTION
APPLICABILITY
1
NOTE: Controller is programmed with generic software and will not allow
the correct vehicle Powertrain management.
Record the vehicles controller part number.
Select Use Controller Part Number under the Flash Tab.
Flash the controller with the correct software.
Test complete
All
Yes
→ Test Complete.
42
TRANSMISSION - NGC
Symptom List:
P0604-INTERNAL TCM
P0605-INTERNAL TCM
P0613-INTERNAL TCM
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0604-INTERNAL TCM.
POSSIBLE CAUSES
PCM - INTERNAL ERROR
TEST
ACTION
APPLICABILITY
1
Using the schematics as a guide, inspect the wiring and connectors. Repair as
necessary. Pay particular attention to all power and ground circuits.
If there are no possible causes remaining, view repair.
All
Repair
Replace the Powertrain Control Module. WITH THE DRBIII
t
PERFORM QUICK LEARN AND REPROGRAM PINION FAC-
TOR.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
43
TRANSMISSION - NGC
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