Chrysler PT Cruiser 2001 Service Manual Supplement page 2634

DRIVEABILITY - GAS
P1398-MIS-FIRE ADAPTIVE NUMERATOR AT LIMIT —
TEST
3 Turn the ignition off.
Note: Visually inspect the Crankshaft Position Sensor and related wire
harness connectors. Look for broken, bent, pushed out, or corroded termi-
nals.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Make sure the sensor mounting bolt(s) are tight.
Were any problems found?
Yes → Repair as necessary.
No
4 Turn the ignition off.
Note: Visually inspect the Crankshaft Position Sensor and related wire
harness connectors. Look for broken, bent, pushed out, or corroded termi-
nals.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Make sure the sensor mounting bolt(s) are tight.
Were any problems found?
Yes → Repair as necessary.
No
5 Turn the ignition off.
Disconnect the Crankshaft Position Sensor harness connector.
Note: Visually inspect the related wiring harness/connectors. Look for
broken, bent, pushed out or corroded terminals.
Inspect the Crankshaft Position Sensor for proper installation and tightness.
Is the Crankshaft Position Sensor properly installed and the mounting bolt(s) tight?
Yes → Go To 6
No
6 Turn the ignition off.
Disconnect and remove the crankshaft position sensor.
Inspect the crankshaft notches for damage, foreign material, or excessive movement.
Is the crankshaft free from defects?
Yes → Go To 7
No
7 If there are no possible causes remaining, view repair.
Repair
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
→ Test Complete.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
→ Go To 5
→ Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
→ Repair/replace tone wheel/flex plate as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Replace the Crankshaft Position Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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Continued
APPLICABILITY
All
All
All
All
All