Pinpoint Test M: DTCs B00A0:09, B00A0:4A, B00A0:63, B00A0:64 and B00A0:68
Refer to Wiring Diagrams Cell 46, Supplemental Restraint System for schematic and connector information.
Normal Operation
The Restraints Control Module (RCM) is in constant communication with various control modules on the High Speed Controller Area Network (HS-CAN), one of them is the Occupant
Classification System Module (OCSM). The RCM continuously monitors the HS-CAN for fault messages reported by the OCSM system. The RCM also checks for the correct identification
of the OCSM. If the RCM receives fault message(s) from the OCSM system, it will store DTC B00A0:09, B00A0:4A, B00A0:63, B00A0:64 or B00A0:68 in memory and send a message to
the Instrument Cluster (IC) module to illuminate the air bag warning indicator.
This pinpoint test is intended to diagnose the following:
OCSM
RCM
PINPOINT TEST M: DTCs B00A0:09, B00A0:4A, B00A0:63, B00A0:64 AND B00A0:68
WARNING: Never disassemble or tamper with safety belt buckle/retractor pretensioners or adaptive load limiting retractors or probe the electrical connectors. Failure to
follow this instruction may result in the accidental deployment of the safety belt pretensioners or adaptive load limiting retractors which increases the risk of serious personal
injury or death.
WARNING: Never probe the electrical connectors on air bag, Safety Canopy® or side air curtain modules. Failure to follow this instruction may result in the accidental
deployment of these modules, which increases the risk of serious personal injury or death.
NOTICE: Use the correct probe adapter(s) from the Flex Probe Kit when taking measurements. Failure to use the correct probe adapter(s) may damage the connector.
Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
NOTE: Supplemental Restraint System (SRS) components should only be disconnected or reconnected when instructed to do so within a pinpoint test step. Failure to follow
this instruction may result in incorrect diagnosis of the SRS.
NOTE: Always make sure the correct SRS component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part
number listed in the Ford Catalog Advantage™ or equivalent to make sure the correct component is being installed. If an incorrect SRS component is installed, DTCs may set.
NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
DTC Description Fault Trigger Condition
B00A0:09 — Occupant Classification System: Component Failures When the RCM receives a message from the OCSM that a fault exists within the OCS system, a fault will
be indicated.
B00A0:4A — Occupant Classification System: Incorrect Component
Installed
When the RCM senses the OCSM is present but not configured, a fault will be indicated.
B00A0:63 — Occupant Classification System: Circuit / Component
Protection Time-Out
When the RCM receives 8 or more invalid states from the OCSM, a fault will be indicated.
B00A0:64 — Occupant Classification System: Signal Plausibility Failure When the RCM receives messages containing upper or lower data limits other than limits stored in
memory, a fault will be indicated.
B00A0:68 — Occupant Classification System: Event Information When the RCM receives a message from the OCSM containing incorrect data, a fault will be indicated.
Test Step Result / Action to Take
M1 RETRIEVE RCM DTCs
Ignition ON.
Enter the following diagnostic mode on the scan tool: Self Test — RCM .
Was DTC B00A0:09, B00A0:4A, B00A0:63, B00A0:64 or B00A0:68 retrieved
on-demand during self-test?
Yes
This fault cannot be cleared until it is corrected and the DTC is no longer retrieved on-
demand during self-test.
For DTC B00A0:09, B00A0:63 and B00A0:68, RETRIEVE DTCs from the OCSM and
REFER to the Occupant Classification System Module (OCSM) DTC Chart for
diagnostic direction.
For DTC B00A0:4A or B00A0:64, GO to M2.
No
CHECK for causes of the intermittent fault.
Refer to Wiring Diagrams Cell 46, Supplemental Restraint System for schematic and
connector information.
ATTEMPT to recreate the hard fault by flexing the wire harness and cycling the ignition
frequently. Do not install any new SRS components at this time. SRS components
should only be installed when directed to do so in the pinpoint test. GO to M5.
M2 CHECK THE OCSM
Ignition OFF.
WARNING: Turn the ignition OFF and wait one minute to deplete the
backup power supply. Failure to follow this instruction may result in serious
personal injury or death in the event of an accidental deployment.
Verify the correct OCS is present in the vehicle. Check the part number listed in
the Ford Catalog Advantage™ or equivalent to make sure the correct component
is present.
Is the correct OCS system service kit installed?
Yes
GO to M3.
No
INSTALL the correct OCS system service kit. REFER to Occupant Classification Sensor
in this section. GO to M5.
M3 CHECK THE RCM
Verify the correct RCM is present in the vehicle.
Is the correct RCM installed?
Yes
GO to M4.
No
INSTALL the correct RCM. REFER to Restraints Control Module (RCM) in this section.
2011 Mustang Workshop Manual
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSBB/~MUS~LEN/21/S
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