Pinpoint Test A : B0091:81, B0097:11, B0097:81, B0097:93

WARNING: Do not handle, move or change the original horizontal mounting position of the Restraints Control Module (RCM) while the Restraints Control Module (RCM) is connected and the ignition switch is ON. Failure to follow this instruction may result in the accidental deployment of the Safety Canopy® and cause serious personal injury or death.

NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.

NOTE: 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, Diagnostic Trouble Codes (DTCs) may set.

NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.

NOTE: Do not probe any impact sensor. The impact sensor cannot be tested using a multi-meter.

A1 RETRIEVE RCM (RESTRAINTS CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Were any Diagnostic Trouble Codes (DTCs) retrieved on-dem and during self-test?
1. Yes: The fault(s) cannot be cleared until corrected and the Diagnostic Trouble Codes (DTCs) are no longer retrieved on-dem and during self-test.
  For Diagnostic Trouble Codes (DTCs) B0097:11, GO to A2
  
  For Diagnostic Trouble Codes (DTCs) B0097:93, GO to A6
  
  For DTC B0091:81 only , GO to A8
  
  For DTC B0097:81 only , GO to A11
  
  For any other Diagnostic Trouble Codes (DTCs), Refer to RCM DTC CHART .
2. No: The fault is intermittent when present as a Continuous Memory Diagnostic Trouble Code (CMDTC) only. GO to A15
A2 CHECK THE LEFT SIDE RESTRAINTS SENSOR 1 DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (SHORT TO GROUND INDICATED)
NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the fault reported changes, this indicates the RCM is functioning correctly and is not the source of the fault.
- Ignition OFF.
- Depower the SRS.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Disconnect Second Row LH Side Impact Sensor C3209.
- Repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Did the on-dem and Diagnostic Trouble Codes (DTCs) change from B0097:11 to B0091:81?
1. Yes: INSTALL a new second row LH side impact sensor.
  REFER to: C-Pillar Side Impact Sensor .
  
  GO to A16
2. No: GO to A3
A3 CHECK THE RIGHT SIDE RESTRAINTS SENSOR 2 DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (SHORT TO GROUND INDICATED)
NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the fault reported changes, this indicates the RCM is functioning correctly and is not the source of the fault.
- Ignition OFF.
- Depower the SRS.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Connect Second Row LH Side Impact Sensor C3209.
- Disconnect Passenger Front Door Side Impact Sensor C644.
- Repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Did the on-demand DTC change from B0097:11 to B0097:81?
1. Yes: INSTALL a new passenger front door side impact sensor.
  REFER to: Front Door Side Impact Sensor .
  
  GO to A16
2. No: GO to A4

A4 CHECK THE SECOND ROW LH (LEFT-HAND) C-PILLAR SIDE IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO GROUND AND SHORT BETWEEN SENSOR CIRCUITS

Ignition OFF.
Depower the SRS.
REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
Disconnect Second Row LH Side Impact Sensor C3209.
Disconnect RCM C310A and C310B.
Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C3209-1	Ω	-

Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C3209-1	Ω	C3209-2

Are the resistances greater than 10, 000 ohms?

Yes: GO to A5
No: REPAIR the affected circuit(s).
Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.

GO to A16

A5 CHECK THE PASSENGER FRONT DOOR SIDE IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO GROUND AND SHORT BETWEEN SENSOR CIRCUITS

Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C644-1	Ω	-

Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C644-1	Ω	C644-2

Are the resistances greater than 10, 000 ohms?

Yes: GO to A14
No: REPAIR the affected circuit(s).
Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.

GO to A16

A6 CHECK THE SECOND ROW LH (LEFT-HAND) SIDE IMPACT SENSOR CIRCUITS FOR A SHORT TO VOLTAGE (NO OPERATION INDICATED)

Ignition OFF.
Depower the SRS.
REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
Disconnect RCM C310A and C310B.
Disconnect Second Row LH Side Impact Sensor C3209.
Repower the SRS. Do not prove out the SRS at this time.
REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
Ignition ON.
Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C3209-1		-
C3209-2		-

Is any voltage present?

Yes: REPAIR the affected circuits.
Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.

GO to A16
No: GO to A7

A7 CHECK THE PASSENGER FRONT DOOR SIDE IMPACT SENSOR CIRCUITS FOR A SHORT TO VOLTAGE (NO OPERATION INDICATED)

Ignition OFF.
Disconnect Passenger Front Door Side Impact Sensor C644.
Ignition ON.
Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C644-1		-
C644-2		-

Is any voltage present?

Yes: REPAIR the affected circuits.
Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.

GO to A16
No: GO to A14

A8 CHECK THE SECOND ROW LH (LEFT-HAND) SIDE IMPACT SENSOR AND RCM (RESTRAINTS CONTROL MODULE) CONNECTIONS (INVALID SERIAL DATA RECEIVED)
- Ignition OFF.
- Depower the SRS.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Gain access to the second row LH side impact sensor and inspect C3209to make sure it is fully seated and locked. Seat and lock the connector as necessary.
  REFER to: C-Pillar Side Impact Sensor .
- Gain access to the RCM and inspect C310A and C310B to make sure they are fully seated and locked. Seat and lock the connector(s) as necessary.
  REFER to: Restraints Control Module (RCM) .
- Repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Was DTC B0091:81 retrieved on-dem and during self-test?
1. Yes: GO to A9
2. No: Fault corrected. GO to A16

A9 CHECK THE SECOND ROW LH (LEFT-HAND) SIDE IMPACT SENSOR CIRCUITS FOR AN OPEN (INVALID SERIAL DATA RECEIVED)

Ignition OFF.
Depower the SRS.
REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
Disconnect RCM C310A and C310B.
Disconnect Second Row LH Side Impact Sensor C3209.
Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C310B-26	Ω	C3209-1
C310B-27	Ω	C3209-2

Are the resistances less than 0.5 ohm?

Yes: GO to A10
No: REPAIR the affected circuit.
Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.

GO to A16

A10 CHECK THE LEFT SIDE RESTRAINTS SENSOR 1 DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (INVALID SERIAL DATA RECEIVED)

NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the fault reported changes, this indicates the RCM is functioning correctly and is not the source of the fault.

Connect RCM C310A and C310B.
Connect a fused jumper wire:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C3209-1		C3209-2

Repower the SRS. Do not prove out the SRS at this time.
REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
Ignition ON.
Using a diagnostic scan tool, perform RCM self-test.

Did the DTC change from B0091:81 to B0097:11?

Yes: REMOVE the fused jumper wire and INSTALL a new second row LH side impact sensor.
REFER to: Front Door Side Impact Sensor .

GO to A16
No: REMOVE the fused jumper wire and GO to A14

A11 CHECK THE PASSENGER FRONT DOOR SIDE IMPACT SENSOR AND RCM (RESTRAINTS CONTROL MODULE) CONNECTIONS (INVALID SERIAL DATA RECEIVED)
- Ignition OFF.
- Depower the SRS.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Gain access to the passenger front door side impact sensor and inspect C644to be fully seated and locked. Seat and lock the connector as necessary.
  REFER to: Front Door Side Impact Sensor .
- Gain access to the RCM and inspect C310A and C310B to be fully seated and locked. Seat and lock the connector(s) as necessary.
  REFER to: Restraints Control Module (RCM) .
- Repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Was DTC B0097:81 retrieved on-dem and during self-test?
1. Yes: GO to A12
2. No: Fault corrected. GO to A16

A12 CHECK THE PASSENGER FRONT DOOR SIDE IMPACT SENSOR CIRCUITS FOR AN OPEN (INVALID SERIAL DATA RECEIVED)

Ignition OFF.
Depower the SRS.
REFER to: Front Door Side Impact Sensor .
Disconnect RCM C310A and C310B.
Disconnect Passenger Front Door Side Impact Sensor C644.
Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C310B-24	Ω	C644-1
C310B-23	Ω	C644-2

Are the resistances less than 0.5 ohm?

Yes: GO to A13
No: REPAIR the affected circuit.
Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.

GO to A16

A13 CHECK THE RIGHT SIDE RESTRAINTS SENSOR 2 DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (INVALID SERIAL DATA RECEIVED)

NOTE: This pinpoint test step will attempt to change the fault reported by the RCM by inducing a different fault condition. If the fault reported changes, this indicates the RCM is functioning correctly and is not the source of the fault.

Connect RCM C310A and C310B.
Connect a fused jumper wire:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C644-1		C644-2

Repower the SRS. Do not prove out the SRS at this time.
REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
Ignition ON.
Using a diagnostic scan tool, perform RCM self-test.

Did the DTC change from B0097:81 to B0097:11?

Yes: REMOVE the fused jumper wire and INSTALL a new passenger front door side impact sensor.
REFER to: Front Door Side Impact Sensor .

GO to A16
No: REMOVE the fused jumper wire and GO to A14

A14 CONFIRM THE RCM (RESTRAINTS CONTROL MODULE) FAULT
NOTE: Make sure all SRS components and the RCM electrical connectors are connected before carrying out the self-test. If not, Diagnostic Trouble Codes (DTCs) will be recorded.
- Ignition OFF.
- Depower the SRS.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Prior to reconnecting any previously disconnected SRS component:
  - inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
  - inspect wire harness for any damage, pinched, cut or pierced wires.
  - inspect RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation.
    REFER to: Restraints Control Module (RCM) .
  - repair any concerns found.
    Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.
- Connect RCM C310A and C310B.
- Connect Passenger Front Door Side Impact Sensor C644.
- Connect Second Row LH Side Impact Sensor C3209.
- Repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Was the original DTC retrieved on-dem and during self-test?
1. Yes: CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new RCM.
  REFER to: Restraints Control Module (RCM) .
  
  GO to A16
2. No: In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A15
A15 CHECK FOR AN INTERMITTENT FAULT
- Ignition OFF.
- Depower the SRS.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Disconnect the affected sensor(s) (Passenger Front Door Side Impact Sensor C644and/or Second Row LH Side Impact Sensor C3209).
- Disconnect RCM C310A and C310B.
- Inspect:
  - harness and component connectors for loose or spread terminals and loose or frayed wire connections at terminals.
  - wire harness for any damage, pinched, cut or pierced wires.
  - RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation.
    REFER to: Restraints Control Module (RCM) .
  - repair any concerns found.
    Refer to OEM CONNECTOR REPAIR PROCEDURES for schematic and connector information.
- Connect the affected sensor(s) (Passenger Front Door Side Impact Sensor C644and/or Second Row LH Side Impact Sensor C3209).
- Connect RCM C310A and C310B.
- Repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform RCM self-test.
Was DTC B0091:81, B0097:11, B0097:81 or B0097:93 retrieved on-dem and during self-test?
1. Yes: Fault(s) cannot be cleared until corrected and the DTC is no longer retrieved on-dem and during self-test.
  For DTC B0097:11, GO to A2
  
  For DTC B0097:93, GO to A6
  
  For DTC B0091:81 only , GO to A8
  
  For DTC B0097:81 only , GO to A11
2. No: The fault is not present and cannot be recreated at this time. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. GO to A16
A16 CHECK FOR ADDITIONAL SRS (SUPPLEMENTAL RESTRAINT SYSTEM) DIAGNOSTIC TROUBLE CODES (DTCS)
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.
- Ignition OFF.
- Reconnect all SRS components (if previously disconnected).
- If previously directed to depower the SRS, repower the SRS. Do not prove out the SRS at this time.
  REFER to: Supplemental Restraint System (SRS) Depowering and Repowering .
- Ignition ON.
- Using a diagnostic scan tool, perform Restraints self-test.
Are any RCM and/or OCSM Diagnostic Trouble Codes (DTCs) retrieved on-dem and during self-test?
1. Yes: Do not clear any Diagnostic Trouble Codes (DTCs) until all Diagnostic Trouble Codes (DTCs) have been resolved. Refer to RCM DTC CHART or Refer to OCSM DTC CHART for pinpoint test direction.
2. No: CLEAR all RCM and OCSM Continuous Memory Diagnostic Trouble Codes (CMDTCs). PROVE OUT the SRS. The repair is complete. RETURN the vehicle to the customer.