Pinpoint Test AH: LFC 15/DTC C1414 - Incorrect Module Design Level: Testing
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Most faults are due to connector and/or wiring concerns. Carry out a thorough Inspection and Verification before proceeding with the pinpoint test.
- AH1 CHECK FOR CONTINUOUS OR ON-DEMAND DTCs WARNING: Restraint system diagnostic tools are for service only. Tools must be removed prior to operating the vehicle over the road. Failure to remove restraint system diagnostic tools could result in injury and possible violation of vehicle safety standards.WARNING: Do not handle, move or change the original horizontal mounting position of the restraints control module (RCM) while the RCM is connected and the ignition switch is ON. Failure to follow these instructions may result in the inadvertent deployment of the safety canopy and risk of personal injury.WARNING: Never probe the connectors on the air bag module. Doing so can result in air bag deployment, which can result in personal injury.WARNING: The safety belt pretensioner is a pyrotechnic device. Always wear safety glasses when repairing an air bag equipped vehicle and when handling a safety belt buckle pretensioner or safety belt retractor pretensioner. Never probe a pretensioner electrical connector. Doing so could result in pretensioner or air bag deployment and could result in personal injury.WARNING: Never probe the electrical connector on a safety canopy module. Doing so can result in safety canopy deployment.NOTE: If a seat equipped with a supplemental restraint system (SRS) component is being serviced, the SRS must be depowered.NOTE: After diagnosing or repairing an SRS, the restraint system diagnostic tools must be removed before operating the vehicle over the road.NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
- Enter the following diagnostic mode on the scan tool: On-Demand Self Test.
- Enter the following diagnostic mode on the scan tool: Retrieve/Record Continuous DTCs.
- Was DTC C1414 retrieved during the on-demand self test?
- Yes : This is a hard fault. The fault condition is still present. This fault cannot be cleared until it is corrected and the DTC is no longer retrieved during the on-demand self test. GO to AH2.
- No : This is an intermittent fault. The fault condition is not present at this time. GO to AH5.
- AH2 CHECK OCS PART NUMBER
- Key in OFF position.
- Depower the system. Refer to SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING .
- Check the part number on the OCS against the part number listed in the master parts catalog.
- Did the part number on the OCS match the part number listed in the master parts catalog?
- Yes : GO to AH3.
- No : INSTALL a new OCS with the correct part number. REFER to OCCUPANT CLASSIFICATION SENSOR - SERVICE KIT . GO to AH6.
- AH3 CHECK RCM PART NUMBER
- Check the part number on the RCM against the part number listed in the master parts catalog.
- Did the part number on the RCM match the part number listed in the master parts catalog?
- Yes : GO to AH4.
- No : INSTALL a new RCM with the correct part number. REFER to RESTRAINTS CONTROL MODULE (RCM) . GO to AH6.
- AH4 CONFIRM THE RCM FAULT NOTE: Make sure all restraint system diagnostic tools, sensor electrical connectors, and the RCM electrical connector are connected before carrying out the on-demand self test. If not, erroneous DTCs will be recorded.
- Repower the system. Do not prove out the system at this time. Refer to SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING .
- Enter the following diagnostic mode on the scan tool: On-Demand Self Test.
- Was the DTC C1414 retrieved during the on-demand self test?
- AH5 CHECK FOR INTERMITTENT FAULTS
- Key in OFF position.
- Enter the following diagnostic mode on the scan tool: On-Demand Self Test.
- Was DTC C1414 retrieved during the on-demand self test?
- Yes : GO to AH2.
- No : CHECK for causes of the intermittent fault. ATTEMPT to recreate the hard fault by flexing the wire harness and cycling the ignition key frequently. ACTIVATE other systems in the same wire harness. REPAIR any intermittent concerns found. GO to AH6.
- AH6 CHECK FOR ADDITIONAL DTCs
- Refer to the continuous DTCs recorded during Step AH1.
- Were any continuous DTCs retrieved during Step AH1 ?
- Yes : Do not clear any DTCs until all DTCs have been resolved. GO to the RESTRAINTS CONTROL MODULE (RCM) DIAGNOSTIC TROUBLE CODE (DTC) TABLE for pinpoint test direction.
- No : RECONNECT the system. If previously directed to deactivate the system, REACTIVATE the system. REFER to SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEACTIVATION AND REACTIVATION . REPOWER the system. REFER to SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING . PROVE OUT the system. CLEAR all DTCs.