Chrysler PT Cruiser 2001 Service Manual Supplement page 2858

TRANSMISSION
P1782 - 2-4 PRESSURE SWITCH SENSE CIRCUIT —
TEST
3 With the DRBIII , Check the STARTS SINCE SET counter.
NOTE: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter 2 or less?
Yes → Go To 4
→ Go To 15
No
4 Turn ignition off to the lock position.
CAUTION: Remove the Starter Relay from the PDC. This will prevent the
vehicle from being started in gear.
Install Transmission simulator (Miller tool #8333) and the FWD Adapter Cable
kit.(Miller tool #8333-1).
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Place pressure switch selector on 2/4.
Observe the 2/4 Pressure Switch state on the DRBIII , while pressing pressure
switch test button.
Did the state of the 2/4 Pressure Switch change while pushing the button?
Yes → Go To 5
→ Go To 10
No
5 Turn ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the 2-4 Pressure Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes → Repair the 2-4 Pressure Switch circuit for a short to ground.
→ Go To 6
No
6 Turn ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the 2-4 Pressure Switch Sense circuit from the TCM
connector to the transmission solenoid/pressure switch connector.
Is the resistance above 5.0 ohms?
Yes → Repair the open 2-4 Pressure Switch Sense circuit.
→ Go To 7
No
ACTION
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
110
Continued
APPLICABILITY
All
All
All
All