Symptom List:
P0201-CYLINDER 1-INJECTOR CIRCUIT CURRENT DECREASE
P0201-CYLINDER 1-INJECTOR CIRCUIT LOAD DROP
P0201-CYLINDER 1-INJECTOR CIRCUIT OVERCURRENT HIGH
SIDE
P0201-CYLINDER 1-INJECTOR CIRCUIT OVERCURRENT LOW
SIDE
P0202-CYLINDER 2-INJECTOR CIRCUIT CURRENT DECREASE
P0202-CYLINDER 2-INJECTOR CIRCUIT LOAD DROP
P0202-CYLINDER 2-INJECTOR CIRCUIT OVERCURRENT HIGH
SIDE
P0202-CYLINDER 2-INJECTOR CIRCUIT OVERCURRENT LOW
SIDE
P0203-CYLINDER 3-INJECTOR CIRCUIT CURRENT DECREASE
P0203-CYLINDER 3-INJECTOR CIRCUIT LOAD DROP
P0203-CYLINDER 3-INJECTOR CIRCUIT OVERCURRENT HIGH
SIDE
P0203-CYLINDER 3-INJECTOR CIRCUIT OVERCURRENT LOW
SIDE
P0204-CYLINDER 4-INJECTOR CIRCUIT CURRENT DECREASE
P0204-CYLINDER 4-INJECTOR CIRCUIT LOAD DROP
P0204-CYLINDER 4-INJECTOR CIRCUIT OVERCURRENT HIGH
SIDE
P0204-CYLINDER 4-INJECTOR CIRCUIT OVERCURRENT LOW
SIDE
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0201-CYLINDER 1-INJECTOR
CIRCUIT CURRENT DECREASE.
When Monitored and Set Condition:
P0201-CYLINDER 1-INJECTOR CIRCUIT CURRENT DECREASE
When Monitored:
With the engine running.
Set Condition:
The ECM detects an incorrect rate of current decrease after injection
occurs.
P0201-CYLINDER 1-INJECTOR CIRCUIT LOAD DROP
When Monitored:
With the engine running.
Set Condition:
The ECM detects insufficient current through the injector driver when on.
39
DRIVEABILITY - DIESEL