Chrysler PT Cruiser 2001 Service Manual Supplement page 2516

DRIVEABILITY - GAS
P0117-ECT SENSOR VOLTAGE TOO LOW —
TEST
4 Disconnect the ECT Sensor harness connector.
With the DRB, read the ENG COOLANT TMP VLT value.
Did the ENG COOLANT TMP VLT value change from below 1.0 volt to above 4.5
volts?
Yes → Replace the ECT Sensor.
→ Go To 5
No
5 If there are no possible causes remaining, view repair.
Repair
6 Turn the ignition off.
NOTE: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Perform a wiggle test on the related wiring harnesses with the engine running.
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.
Replace the Powertrain Control Module.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Continued
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APPLICABILITY
All
All
All