Chrysler PT Cruiser 2001 Service Manual Supplement page 2608

DRIVEABILITY - GAS
P1192-INLET AIR TEMP SENSOR VOLTAGE LOW —
TEST
4 Turn the ignition off.
Disconnect the IAT Sensor harness connector.
Disconnect the PCM harness connectors.
Measure the resistance between the IAT Sensor Signal circuit and the IAT Sensor
Ground circuit.
Is the resistance below 100k ohms?
Yes → Repair the IAT Sensor signal circuit for a short to the IAT 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
Ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Replace the Powertrain Control Module.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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Continued
APPLICABILITY
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