Table of Contents
Advertisement
Symptom List:
LOSS OF IGNITION RUN ONLY
ORC RUN ONLY DRIVER OPEN
ORC RUN ONLY DRIVER SHORT TO GROUND
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be LOSS OF IGNITION RUN ONLY.
When Monitored and Set Condition:
LOSS OF IGNITION RUN ONLY
When Monitored: With the ignition in the run only position the ACM monitors the ORC
Run Only Driver circuit for proper system voltage.
Set Condition: If the voltage on the ORC Run Only Driver circuit drops below 4.5 volts,
the code will set.
ORC RUN ONLY DRIVER OPEN
When Monitored: After the ignition is turned OFF, the IPM controlled transistor (high
side driver) places a diagnostic voltage on the ORC Run Only circuit for 60 seconds. An
open high side driver (HSD) circuit voltage is between 2.4 and 5.0 volts.
Set Condition: This code will set within 8 second. Note: the diagnostic voltage will only
last for 60 seconds after the ignition is turned off.
ORC RUN ONLY DRIVER SHORT TO GROUND
When Monitored: The IPM uses a microprocessor controlled transistor (high side driver)
to supply power to the ACM. The microprocessor monitors for short to ground when the
ignition is in the Run position.
Set Condition: The code will set within 1 second.
ACM, LOSS OF IGNITION RUN ONLY
ACM, ORC RUN ONLY CIRCUIT OPEN
IPM, ORC RUN ONLY DRIVER CIRCUIT OPEN
IPM, ORC RUN ONLY CIRCUIT SHORT TO GROUND
ACM, ORC RUN ONLY CIRCUIT SHORT TO GROUND
ORC RUN ONLY CIRCUIT SHORT TO GROUND
STORED CODE OR INTERMITTENT CONDITION
ACTIVE CODE PRESENT
POSSIBLE CAUSES
139
AIRBAG
Advertisement
Table of Contents
