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Diagnostic Procedure

DTC U3000:1C (VEHICLE CONTROL MODULE) DIAGNOSTIC PROCEDURE - WITH 360°VIEW MONITOR SYSTEM OR PARKING ASSIST SYSTEM

Step Inspection Results Action
1 INSPECT VEHICLE CONTROL MODULE (VCM) AND BODY CONTROL MODULE (BCM) FOR MALFUNCTION 
  • Switch the ignition OFF, and then switch it ON (engine 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?
 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 VERIFY REPEATABILITY 
  • Switch the ignition ON (engine off or on).
  • Because a CAN communication is in sleep mode, perform the following operation.
    • Switch the ignition OFF.
    • Remove all of the remote transmitters from the vehicle, lock all doors, and then wait for 10 min.
  • Switch the ignition ON (engine off or on).
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Switch the ignition OFF, and then switch it ON (engine off or on) and wait for 30 s or more.
  • 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.
3 INSPECT VEHICLE CONTROL MODULE (VCM) POWER SUPPLY FOR MALFUNCTION 
  • Perform the DTC inspection for the vehicle control module (VCM). (See DTC INSPECTION .)
  • Are any of the following DTCs displayed?
    • U3003:16
    • U3003:17
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
No Go to the next step.
4 INSPECT BODY CONTROL MODULE (BCM) CONNECTOR FOR MALFUNCTION 
  • Inspect the following connectors and terminals. (See CONNECTOR INSPECTION .)
    • Body control module (BCM) (terminal 3A-3X) (with forward sensing camera (FSC) or driver monitoring (DM))
    • Body control module (BCM) (terminal 4A-4X)
  • Are the connector and terminal normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
5 DETERMINE MALFUNCTIONING LOCATION 
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)] .)
  • Measure the voltage at the following terminals (part side).
    • Body control module (BCM) terminal 3G (with forward sensing camera (FSC) or driver monitoring (DM))
    • Body control module (BCM) terminal 4U
  • Is the voltage normal?
 Yes Go to the next step.
No Replace the body control module (BCM) and perform the repair completion verification. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [(US)] .)
6 INSPECT 360°VIEW MONITOR CONTROL MODULE (WITH 360°VIEW MONITOR SYSTEM)/PARKING ASSIST UNIT (OPTICAL) (WITH PARKING ASSIST SYSTEM) CONNECTOR FOR MALFUNCTION 
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
7 INSPECT POWER SUPPLY OUTPUT CIRCUIT (REAR SIDE) FOR SHORT TO GROUND 
  • Inspect the applicable circuit for a short to ground. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
8 INSPECT POWER SUPPLY OUTPUT CIRCUIT (REAR SIDE) FOR SHORT TO POWER SUPPLY 
  • Inspect the applicable circuit for a short to power supply. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
9 INSPECT POWER SUPPLY OUTPUT CIRCUIT (REAR SIDE) FOR OPEN CIRCUIT 
  • Inspect the applicable circuit for an open circuit. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
 Yes With forward sensing camera (FSC):
  • Go to the next step.

Without forward sensing camera (FSC) and with driver monitoring (DM): 
  • Go to Step 11.

Without forward sensing camera (FSC) and driver monitoring (DM): 
  • Go to Step 15.
No Repair or replace the malfunctioning location and perform the repair completion verification.
10 INSPECT FORWARD SENSING CAMERA (FSC) CONNECTOR FOR MALFUNCTION 
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
 Yes With driver monitoring (DM):
  • Go to the next step.

Without driver monitoring (DM): 
  • Go to Step 12.
No Repair or replace the malfunctioning location and perform the repair completion verification.
11 INSPECT DRIVER MONITORING CAMERA UNIT CONNECTOR FOR MALFUNCTION 
  • Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION .)
  • Are the connector and terminal normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
12 INSPECT POWER SUPPLY OUTPUT CIRCUIT (FRONT SIDE) FOR SHORT TO GROUND 
  • Inspect the applicable circuit for a short to ground. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
13 INSPECT POWER SUPPLY OUTPUT CIRCUIT (FRONT SIDE) FOR SHORT TO POWER SUPPLY 
  • Inspect the applicable circuit for a short to power supply. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
14 INSPECT POWER SUPPLY OUTPUT CIRCUIT (FRONT SIDE) FOR OPEN CIRCUIT 
  • Inspect the applicable circuit for an open circuit. (See CIRCUIT INSPECTION .)
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
15 VERIFY IF MALFUNCTION CAUSE IS 360°VIEW MONITOR CONTROL MODULE (WITH 360°VIEW MONITOR SYSTEM)/PARKING ASSIST UNIT (OPTICAL) (WITH PARKING ASSIST SYSTEM) 
  • Connect the following connectors.
    • Body control module (BCM)
    • 360° view monitor control module (with 360° view monitor system)/Parking assist unit (optical) (with parking assist system)
  • Disconnect the following connectors.
    • Forward sensing camera (FSC) (with forward sensing camera (FSC))
    • Driver monitoring camera unit (with driver monitoring (DM))
  • 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 Malfunction cause may be due to 360° view monitor control module (with 360° view monitor system)/parking assist unit (optical) (with parking assist system). With forward sensing camera (FSC):
  • Go to the next step.

Without forward sensing camera (FSC) and with driver monitoring (DM): 
  • Go to Step 17.

Without forward sensing camera (FSC) and driver monitoring (DM): 
  • Go to Step 18.
No 360° view monitor control module (with 360° view monitor system)/parking assist unit (optical) (with parking assist system) is normal. With forward sensing camera (FSC):
  • Go to the next step.

Without forward sensing camera (FSC) and with driver monitoring (DM): 
  • Go to Step 17.

Without forward sensing camera (FSC) and driver monitoring (DM): 
  • Go to Step 18.
16 VERIFY IF MALFUNCTION CAUSE IS FORWARD SENSING CAMERA (FSC) 
  • Connect the following connectors.
    • Body control module (BCM)
    • Forward sensing camera (FSC)
  • Disconnect the following connectors.
    • 360° view monitor control module (with 360° view monitor system)/Parking assist unit (optical) (with parking assist system)
    • Driver monitoring camera unit (with driver monitoring (DM))
  • 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 Malfunction cause may be due to forward sensing camera (FSC). With driver monitoring (DM):
  • Go to the next step.

Without driver monitoring (DM): 
  • Go to Step 18.
No Forward sensing camera (FSC) is normal.
With driver monitoring (DM): 
  • Go to the next step.

Without driver monitoring (DM): 
  • Go to Step 18.
17 VERIFY IF MALFUNCTION CAUSE IS DRIVER MONITORING CAMERA UNIT 
  • Connect the following connectors.
    • Body control module (BCM)
    • Driver monitoring camera unit
  • Disconnect the following connectors.
    • 360° view monitor control module (with 360° view monitor system)/Parking assist unit (optical) (with parking assist system)
    • Forward sensing camera (FSC) (with forward sensing camera (FSC))
  • 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 Malfunction cause may be due to driver monitoring camera unit.
  • Go to the next step.
No Driver monitoring camera unit is normal.
  • Go to the next step.
18 IDENTIFY MALFUNCTIONING MODULE 
  • Verify the number of times DTC U3000:1C is displayed in Steps 15 to 17.
  • Is DTC U3000:1C displayed in all steps from Steps 15 to 17?
 Yes Without forward sensing camera (FSC) and driver monitoring (DM): 
  • Replace the 360° view monitor control module (with 360° view monitor system)/parking assist unit (optical) (with parking assist system) and perform the repair completion verification. (See DTC TABLE [360°VIEW MONITOR CONTROL MODULE (US)] .)

With forward sensing camera (FSC) or driver monitoring (DM): 
  • Perform the repair completion verification.
No Replace the module connected the connector when the DTC is displayed, and perform the repair completion verification. (See DTC TABLE [360°VIEW MONITOR CONTROL MODULE (US)] .) (See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .) (See DRIVER MONITORING CAMERA UNIT REMOVAL/INSTALLATION [(US)] .)
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 Perform the [Action for Non-repeatable Malfunction]. (See TROUBLESHOOTING PROCEDURE [(US)] .)
If DTC is displayed 
  • Repeat the diagnosis from Step 1.

If DTC is not displayed 
  • Go to repair completion verification 2.
Repair completion verification 2 VERIFY IF OTHER DTCs ARE DISPLAYED 
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Is a DTC displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.
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