DTC B14F3:16 [VEHICLE CONTROL MODULE]
id1502c5048900
Outline
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System malfunction location |
Driver monitoring camera unit low power supply voltage input |
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Detection condition
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• The vehicle control module (VCM) detects that the driver monitoring camera unit power supply circuit voltage was 7 V or less for 15 s.
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Fail-safe
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Possible cause
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• DTCs are stored in the following modules.
• Lead-acid battery malfunction
• Vehicle control module (VCM) connector or terminal malfunction
• Short to ground or open circuit in vehicle control module (VCM) power supply circuit
• Driver monitoring camera unit connector or terminal malfunction
• Open circuit in driver monitoring camera unit ground circuit
• Short to ground in driver monitoring camera unit power supply circuit
• Open circuit in driver monitoring camera unit power supply circuit
• Driver monitoring camera LED connector or terminal malfunction
• Driver monitoring camera connector or terminal malfunction
• Short to ground in driver monitoring camera communication circuit
• Open circuit in driver monitoring camera communication circuit
• Short to ground in driver monitoring camera LED power supply circuit
• Open circuit in driver monitoring camera LED power supply circuit
• Driver monitoring camera unit malfunction
• Driver monitoring camera malfunction
• Vehicle control module (VCM) malfunction (built into body control module (BCM))
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Diagnostic Procedure
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Step |
Inspection |
Results |
Action |
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1
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INSPECT VEHICLE CONTROL MODULE (VCM) AND BODY CONTROL MODULE (BCM) FOR MALFUNCTION
• Switch the main power OFF, and then switch it ON (READY off).
• 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?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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2
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INSPECT DRIVER MONITORING CAMERA UNIT FOR MALFUNCTION
• Perform the DTC inspection for the driver monitoring camera unit.
(See DTC INSPECTION.)
• Is a DTC displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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3
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VERIFY DTCs
• Perform the DTC inspection for the following modules.
(See DTC INSPECTION.)
• Are any DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [PCM (e-SKYACTIV)].)
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No
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Go to the next step.
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4
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INSPECT LEAD-ACID BATTERY FOR MALFUNCTION
• Inspect the applicable part.
(See LEAD-ACID BATTERY INSPECTION.)
• Is the part normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
(See LEAD-ACID BATTERY RECHARGING.)
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5
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INSPECT VEHICLE CONTROL MODULE (VCM) CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
(See CONNECTOR INSPECTION.)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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6
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INSPECT VEHICLE CONTROL MODULE (VCM) POWER SUPPLY CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT
• Inspect the power supply circuit for a short to ground and open circuit.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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7
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INSPECT DRIVER MONITORING CAMERA UNIT CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
(See CONNECTOR INSPECTION.)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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8
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INSPECT VEHICLE CONTROL MODULE (VCM) CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
(See CONNECTOR INSPECTION.)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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9
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INSPECT DRIVER MONITORING CAMERA UNIT GROUND CIRCUIT FOR OPEN CIRCUIT
• Inspect the applicable circuit for an open circuit.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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10
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INSPECT DRIVER MONITORING CAMERA UNIT POWER SUPPLY CIRCUIT FOR SHORT TO GROUND
• Inspect the applicable circuit for a short to ground.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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11
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INSPECT DRIVER MONITORING CAMERA UNIT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Inspect the applicable circuit for an open circuit.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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12
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INSPECT DRIVER MONITORING CAMERA LED CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
(See CONNECTOR INSPECTION.)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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13
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INSPECT DRIVER MONITORING CAMERA CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
(See CONNECTOR INSPECTION.)
• Are the connector and terminal normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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14
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INSPECT DRIVER MONITORING CAMERA COMMUNICATION CIRCUIT FOR SHORT TO GROUND
• Inspect the applicable circuit for a short to ground.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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15
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INSPECT DRIVER MONITORING CAMERA COMMUNICATION CIRCUIT FOR OPEN CIRCUIT
• Inspect the applicable circuit for an open circuit.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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16
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INSPECT DRIVER MONITORING CAMERA LED POWER SUPPLY CIRCUIT FOR SHORT TO GROUND
• Inspect the applicable circuit for a short to ground.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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17
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INSPECT DRIVER MONITORING CAMERA LED POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Inspect the applicable circuit for an open circuit.
(See CIRCUIT INSPECTION.)
• Is the circuit normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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18
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INSPECT VEHICLE CONTROL MODULE (VCM) POWER SUPPLY VOLTAGE
• Reconnect all the disconnected connectors.
• Connect the negative lead-acid battery terminal.
• Measure the voltage at body control module (BCM) terminal 3G.
• Is the voltage normal?
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Yes
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Go to the next step.
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No
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Replace the body control module (BCM) and perform the repair completion verification.
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19
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INSPECT DRIVER MONITORING CAMERA UNIT FOR MALFUNCTION DEPENDING ON REPEATABILITY
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Clear the DTC recorded in the memory.
(See CLEARING DTC.)
• Switch the main power ON (READY off or on) and wait for 15 s or more.
• Perform the DTC inspection for the vehicle control module (VCM).
(See DTC INSPECTION.)
• Is the same Pending DTC present?
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Yes
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the driver monitoring camera unit and perform the repair completion verification.
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No
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Go to repair completion verification 2.
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20
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INSPECT DRIVER MONITORING CAMERA FOR MALFUNCTION DEPENDING ON REPEATABILITY
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Clear the DTC recorded in the memory.
(See CLEARING DTC.)
• Switch the main power ON (READY off or on) and wait for 15 s or more.
• Perform the DTC inspection for the vehicle control module (VCM).
(See DTC INSPECTION.)
• Is the same Pending DTC present?
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Yes
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the center display and perform the repair completion verification.
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No
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Perform the [Action for Non-repeatable Malfunction].
If DTC is displayed
• Repeat the diagnosis from Step 1.
If DTC is not displayed
• Go to repair completion verification 2.
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Repair completion verification 1
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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.)
• Switch the main power ON (READY off or on) and wait for 15 s or more.
• Perform the DTC inspection for the vehicle control module (VCM).
(See DTC INSPECTION.)
• Is the same Pending DTC present?
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Yes
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
• If the malfunction recurs, replace the body control module (BCM), then go to the next step.
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No
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Go to the next step.
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Repair completion verification 2
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VERIFY IF OTHER DTCs ARE DISPLAYED
• Perform the DTC inspection.
(See DTC INSPECTION.)
• Is a DTC displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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