Chrysler PT Cruiser 2001 Service Manual Supplement page 2572

DRIVEABILITY - GAS
Symptom List:
P0351-IGNITION COIL #1 PRIMARY CIRCUIT
P0352-IGNITION COIL #2 PRIMARY CIRCUIT
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0351-IGNITION COIL #1 PRI-
MARY CIRCUIT.
When Monitored and Set Condition:
P0351-IGNITION COIL #1 PRIMARY CIRCUIT
When Monitored: With battery voltage greater than 8 volts during engine cranking or
greater than 12 volts with engine running, engine rpm less than 2016, and none of the coils
in dwell when checked.
Set Condition: Peak current is not achieved with battery based dwell plus 1.5 ms of
diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while
running to set.
P0352-IGNITION COIL #2 PRIMARY CIRCUIT
When Monitored: With battery voltage greater than 8 volts during engine cranking or
greater than 12 volts with engine running, engine rpm less than 2016, and none of the coils
in dwell when checked.
Set Condition: Peak current is not achieved with battery based dwell plus 1.5 ms of
diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while
running to set.
WIRING HARNESS INSPECTION
ASD RELAY OUTPUT CIRCUIT
IGNITION COIL
IGNITION COIL DRIVER CIRCUIT OPEN
IGNITION COIL DRIVER CIRCUIT SHORTED TO GROUND
POWERTRAIN CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRB, read PCM DTCs.
Is the Good Trip Counter displayed and equal to 0 for the DTC?
Yes → Go To 2
No
POSSIBLE CAUSES
ACTION
→ Go To 7
112
APPLICABILITY
All