Chrysler PT Cruiser 2001 Service Manual Supplement page 2590

DRIVEABILITY - GAS
P0443-EVAP PURGE SOLENOID CIRCUIT —
TEST
4 Turn the ignition off.
Disconnect the Evap Purge Solenoid Connector.
Disconnect the Powertrain Control Module connectors.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Evap Purge Solenoid Control Circuit from the
Powertrain Control Module connector to the Evap Purge Solenoid connector.
Is the resistance below 5.0 ohms?
Yes → Go To 5
→ Repair the open Evap Purge Solenoid Control Circuit.
No
5 Turn the ignition off.
Disconnect the Evap Purge Solenoid Connector.
Disconnect the Powertrain Control Module connectors.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the Evap Purge Solenoid Control Circuit and ground
(B-).
Is the resistance below 5.0 ohms?
Yes → Repair the short to ground in the Evap Purge Solenoid Control
→ Go To 6
No
6 If there are no possible causes remaining, replace the Powertrain Control Module.
View repair options.
Repair
7 At this time, the conditions required to set a DTC are not present.
Note: Use the Freeze Frame Data to help you duplicate the conditions that
set the DTC. Pay particular attention to the DTC set conditions, such as,
VSS, MAP, ECT, and Load.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Note: Refer to any technical service bulletins that may apply.
Perform a wiggle test of the Evap Purge Solenoid wiring while the circuit is actuated
with the DRBIII . Feel for the solenoid to quit actuating. Also watch for the Good
Trip Counter to change to 0.
Were any problems found?
Yes → Repair wiring harness/connectors as necessary.
→ Test Complete.
No
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Replace the Powertrain Control Module.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Continued
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APPLICABILITY
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