Chrysler Sebring 2004 Service Manual page 3351

TRANSMISSION - NGC
P0845-2/4 HYDRAULIC PRESSURE TEST FAILURE —
TEST
5 Turn the ignition off to the lock position.
Remove the Starter Relay.
CAUTION: Removal of the Starter Relay is to prevent a Transmission, NO
RESPONSE, condition and disable the starter.
Install the Transmission Simulator, Miller tool #8333 and the Electronic Transmis-
sion Adapter kit 8333-1A.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
With the Transmission Simulator, turn the Pressure Switch selector switch to 2/4.
With the DRBIII , monitor the UD Pressure Switch state while pressing the
Pressure Switch Test button on the Transmission Simulator.
Wiggle the wires leading to the PCM while pressing and holding the Pressure Switch
Test button.
Did the 2/4 Pressure Switch state change to closed and remain closed while wiggling
the wires?
Yes → Go To 6
No
6 If there are no possible causes remaining, view repair.
Repair
7 Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
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.
Measure the resistance of the 2/4 Pressure Switch Sense circuit from the appropriate
terminal of special tool #8815 to the Transmission Solenoid/Pressure Switch Assem-
bly harness connector.
Is the resistance above 5.0 ohms?
Yes → Repair the 2-4 Pressure Switch Sense circuit for an open.
No
ACTION
→ Go To 7
Disassemble and inspect the Valve Body per the Service Informa-
tion and repair or replace as necessary. If no problems are found in
the Valve Body, replace the Transmission Solenoid/Pressure
Switch Assembly.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
→ Go To 8
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Continued
APPLICABILITY
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