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Diagnostic Procedure

DTC B14F0:78 [VEHICLE CONTROL MODULE] DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT VEHICLE CONTROL MODULE (VCM) AND BODY CONTROL MODULE (BCM) FOR MALFUNCTION
  • Perform the DTC inspection for the vehicle control module (VCM) and the body control module (BCM). (See DTC INSPECTION .)
  • Is a DTC related to an internal malfunction displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
(See DTC TABLE [BODY CONTROL MODULE (BCM) (US)] .)
No Go to the next step.
2 INSPECT FORWARD SENSING CAMERA (FSC) FOR MALFUNCTION
  • Perform the DTC inspection for the forward sensing camera (FSC). (See DTC INSPECTION .)
  • Is a DTC displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [FORWARD SENSING CAMERA (FSC) (US)] .)
No Go to the next step.
3 VERIFY INSTALLATION CONDITION OF FORWARD SENSING CAMERA (FSC)
  • Verify that there is no looseness in the forward sensing camera (FSC) installation.
  • Is the forward sensing camera (FSC) installation normal?
 Yes Go to the next step.
No Install the forward sensing camera (FSC) correctly and perform the repair completion verification.
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)
4 PERFORM FORWARD SENSING CAMERA (FSC) AIMING
  • Perform the forward sensing camera (FSC) aiming. (See FORWARD SENSING CAMERA (FSC) AIMING .)
  • Switch the ignition OFF, and then switch it ON (engine off or on).
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the vehicle control module (VCM). (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Go to the next step.
No Go to repair completion verification 2.
5 PERFORM FORWARD SENSING CAMERA (FSC) AIMING AGAIN
  • Perform the forward sensing camera (FSC) aiming. (See FORWARD SENSING CAMERA (FSC) AIMING .)
  • Switch the ignition OFF, and then switch it ON (engine off or on).
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the vehicle control module (VCM). (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Replace the forward sensing camera (FSC) and perform the repair completion verification.
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)
No Go to repair completion verification 2.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the vehicle control module (VCM). (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .)
If the CAN communication is normal, perform the diagnosis from Step 1.
No Go to the next step.
Repair completion verification 2 VERIFY IF OTHER DTC IS DISPLAYED
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any other DTCs displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.
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