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Pinpoint Test R - DTC: B1418:11, B1418:12, B1418:13, B1418:96 (Vehicles Without: Rear Seat Side Airbag)

WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Supplemental Restraint System for schematic and connector information.

Normal Operation and Fault Conditions 

The RCM monitors the passenger B-pillar side impact sensor circuits for the following faults:

If a fault is detected, the RCM stores DTC B1418:11, B1418:12, B1418:13 or B1418:96 in memory and sends a message to the IPC to illuminate the airbag warning indicator.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1418:11 Passenger Side Restraints Sensor 1: Circuit Short to Ground A fault is indicated when the RCM senses a short to ground on the passenger B-pillar side impact sensor feed circuit, or a short to voltage on the sensor feed circuit that is less than the normal sensor operating voltage.
B1418:12 Passenger Side Restraints Sensor 1: Circuit Short to Battery A fault is indicated when the RCM senses a short to voltage on the sensor feed circuit that is greater than the normal sensor operating voltage.
B1418:13 Passenger Side Restraints Sensor 1: Circuit Open A fault is indicated when the RCM senses an open on the passenger B-pillar side impact sensor feed circuit, or a short to voltage on the sensor feed circuit that is within a pre-determined range from the normal sensor operating voltage.
B1418:96 Passenger Side Restraints Sensor 1: Component Internal Failure A fault is indicated when the RCM senses a short to ground on the passenger B-pillar side impact sensor feed circuit, or a short to voltage on the sensor feed circuit that is less than the normal sensor operating voltage.

Possible Causes 

Visual Inspection and Diagnostic Pre-checks 

PINPOINT TEST A : B1418:11, B1418:12, B1418:13, B1418:96 

  1. WARNING: WARNING: Incorrect repair techniques or actions can cause an accidental Supplemental Restraint System (SRS) deployment. Never compromise or depart from these instructions. Failure to precisely follow all instructions could result in serious personal injury from an accidental deployment.
  2. NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may cause damage to the connector.
  3. NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
  4. NOTE: Only disconnect or reconnect SRS components when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS.
  5. 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 parts catalog to make sure the correct component is being installed. If an incorrect SRS component is installed, Diagnostic Trouble Codes (DTCs) may set.
  6. NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
  7. NOTE: Do not probe any impact sensor. The impact sensor cannot be tested using a multi-meter

  8. A1 RETRIEVE RCM (RESTRAINTS CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    • WARNING: WARNING: Before beginning any service procedure in this information, refer to Safety Warnings in General Information. Failure to follow this instruction may result in serious personal injury.

      REFER to: Pyrotechnic Device Health and Safety Precautions .

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Was DTC B1418:11 or B1418:93 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. If DTC U3003:16 or U3003:17 is also retrieved on-demand, REFER to: Pinpoint Test - DTC: Z, Vehicles Without: Rear Seat Side Airbag . If DTC U3003:16 or U3003:17 is not retrieved on-demand during self-test, DIAGNOSE the side impact sensor Diagnostic Trouble Codes (DTCs). For DTC B1418:11 or B1418:96, GO to  A2 For DTC B1418:12, GO to  A8 For DTC B1418:13, GO to  A6
    No  If DTC U3003:16 or U3003:17 is also retrieved on-demand, REFER to: Pinpoint Test - DTC: Z, Vehicles Without: Rear Seat Side Airbag . If DTC U3003:16 or U3003:17 is not retrieved on-demand during self-test, DIAGNOSE the side impact sensor Continuous Memory Diagnostic Trouble Codes (CMDTCs). This is an intermittent fault when present as a CM DTC only. GO to  A11

  9. A2 CHECK THE PASSENGER 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 reported fault changes, this indicates the RCM is functioning correctly and is not the source of the fault.

    • Ignition OFF.

    • Disconnect: Passenger Side Impact Sensor C3249.

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Did the on-demand DTC change from B1418:11 or B1418:96 to B1418:13? 

    Yes  INSTALL a new passenger B-pillar side impact sensor. REFER to: B-Pillar Side Impact Sensor . GO to  A12
    No  GO to  A3

  10. A3 CHECK THE PASSENGER B-PILLAR SIDE IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO GROUND

    • Ignition OFF.

    • For vehicles with  passenger knee airbag, disconnect: RCM C310A and C310B.

    • For vehicles without  passenger knee airbag, disconnect: RCM C3659A and C3659B.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3249-1
      GFD329444Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  A5
    No  REPAIR the circuit. Refer to GROUNDS for schematic and connector information. GO to  A12

  11. A4 CHECK THE PASSENGER B-PILLAR SIDE IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition ON.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3249-1
      GFD329445Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit. Refer to GROUNDS for schematic and connector information. GO to  A12
    No  GO to  A5

  12. A5 CHECK FOR A SHORT BETWEEN THE PASSENGER B-PILLAR SIDE IMPACT SENSOR CIRCUITS

    • Ignition OFF.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3249-1
      GFD329444Courtesy of FORD MOTOR COMPANY
      		 C3249-2

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  A10
    No  REPAIR the circuits. Refer to GROUNDS for schematic and connector information. GO to  A12

  13. A6 CHECK THE PASSENGER B-PILLAR SIDE IMPACT SENSOR AND RCM (RESTRAINTS CONTROL MODULE) CONNECTIONS (NO OPERATION INDICATED)

    • Ignition OFF.

    • Inspect the passenger B-pillar side impact sensor electrical connector C3249 to make sure it is fully seated and locked. Seat and lock the connector as necessary.

    • For vehicles with  passenger knee airbag, gain access to the RCM and inspect C310A and C310B to make sure they are fully seated and locked. Seat and lock the connector as necessary.

    • For vehicles without  passenger knee airbag, gain access to the RCM and inspect C3659A and C3659B to make sure they are fully seated and locked. Seat and lock the connector as necessary.

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Was DTC B1418:13 retrieved on-demand during self-test? 

    Yes  GO to  A8
    No  The fault has been corrected. GO to  A12

  14. A7 CHECK THE PASSENGER B-PILLAR SIDE IMPACT SENSOR CIRCUITS FOR AN OPEN

    • Ignition OFF.

    • For vehicles with  passenger knee airbag, measure:
      Positive Lead Measurement / Action Negative Lead
      Refer to C310B-46
      GFD329444Courtesy of FORD MOTOR COMPANY
      		 C3249-1
      Refer to C310B-45
      GFD329444Courtesy of FORD MOTOR COMPANY
      		 C3249-2

    • For vehicles without  passenger knee airbag, measure:
      Positive Lead Measurement / Action Negative Lead
      C3659B-43
      GFD329444Courtesy of FORD MOTOR COMPANY
      		 C3249-1
      C3659B-44
      GFD329444Courtesy of FORD MOTOR COMPANY
      		 C3249-2

    Are the resistances less than 0.5 ohm? 

    Yes  GO to  A8
    No  REPAIR the circuit(s). Refer to GROUNDS for schematic and connector information. GO to  A12

  15. A8 CHECK THE PASSENGER B-PILLAR SIDE IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO VOLTAGE (NO OPERATION INDICATED)

    • Ignition OFF.

    • Disconnect: Passenger Side Impact Sensor C3249.

    • For vehicles with  passenger knee airbag, disconnect: RCM C310A and C310B.

    • For vehicles without  passenger knee airbag, disconnect: RCM C3659A and C3659B.

    • Ignition ON.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3249-1
      GFD329445Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit. Refer to GROUNDS for schematic and connector information. GO to  A12
    No  For DTC B1418:11 or B1418:12, GO to  A10 For DTC B1418:13 or B1418:96, GO to  A9

  16. A9 CHECK THE PASSENGER SIDE RESTRAINTS SENSOR 1 DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE (NO OPERATION INDICATED)

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

    • For vehicles with  passenger knee airbag, connect: RCM C310A and C310B.

    • For vehicles without  passenger knee airbag, connect: RCM C3659A and C3659B.

    • Connect a fused jumper wire as shown:
      Lead 1 Measurement / Action Lead 2
      C3249-1
      GFD329446Courtesy of FORD MOTOR COMPANY
      		 C3249-2

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Did the on-demand DTC change from B1418:13 or B1418:96 to B1418:11? 

    Yes  REMOVE the fused jumper wire and INSTALL a new passenger B-pillar side impact sensor. REFER to: B-Pillar Side Impact Sensor . GO to  A12
    No  REMOVE the fused jumper wire and GO to  A10

  17. A10 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.

    • 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 damaged, pinched, cut or pierced wires.
      • For vehicles with  passenger knee airbag, inspect RCM C310A and C310B Connector Position Assurance (CPA) lever/lock for correct operation.
      • For vehicles without  passenger knee airbag, inspect RCM C3659A and C3659B Connector Position Assurance (CPA) lever/lock for correct operation.
      • repair any concerns found. Refer to GROUNDS for schematic and connector information.

    • Connect: Passenger Side Impact Sensor C3249.

    • For vehicles with  passenger knee airbag, connect: RCM C310A and C310B.

    • For vehicles without  passenger knee airbag, connect: RCM C3659A and C3659B.

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Was the original DTC retrieved on-demand during self-test? 

    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  A12
    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  A11

  18. A11 CHECK FOR AN INTERMITTENT FAULT

    • Ignition OFF.

    • Disconnect: Passenger Side Impact Sensor C3249.

    • For vehicles with  passenger knee airbag, disconnect: RCM C310A and C310B.

    • For vehicles without  passenger knee airbag, disconnect: RCM C3659A and C3659B.

    • 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 (vehicles with  passenger knee airbag).
      • RCM C3659A and C3659B Connector Position Assurance (CPA) lever/lock for correct operation (vehicles without  passenger knee airbag).
      • repair any concerns found. Refer to GROUNDS for schematic and connector information.

    • Connect: Passenger Side Impact Sensor C3249.

    • For vehicles with  passenger knee airbag, connect: RCM C310A and C310B.

    • For vehicles without  passenger knee airbag, connect: RCM C3659A and C3659B.

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Was DTC B1418:11, B1418:12, B1418:13 or B1418:93 retrieved on-demand during the 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 B1418:11 or B1418:96, GO to  A2 For DTC B1418:12, GO to  A8 For DTC B1418:13, GO to  A6
    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  A12

  19. A12 CHECK FOR ADDITIONAL SRS (SUPPLEMENTAL RESTRAINT SYSTEM) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition OFF.

    • Reconnect all SRS components (if previously disconnected).

    • Ignition ON.

    • Using a diagnostic scan tool, carry out RCM self-test.

    Are any RCM Diagnostic Trouble Codes (DTCs) retrieved on-demand during self-test? 

    Yes  Do not clear any Diagnostic Trouble Codes (DTCs) until all Diagnostic Trouble Codes (DTCs) have been resolved. DIAGNOSE and REPAIR the RCM Diagnostic Trouble Codes (DTCs). REFER to: Airbag Supplemental Restraint System (SRS) - Vehicles Without: Rear Seat Side Airbag .
    No  The repair is complete. RETURN the vehicle to the customer.
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