DYNAMIC RADAR CRUISE CONTROL SYSTEM, Diagnostic DTC:P1615

DTC Code DTC Name
P1615 Communication Error from Distance Control ECU to HV ECU

DESCRIPTION

This DTC is stored when a communication error occurs between the driving support ECU and power management control ECU.

DTC No. DTC Detection Condition Trouble Area
P1615

All of the following conditions are met

(a) Power switch on (IG)

(b) Communication error between driving support ECU and power management control ECU for 0.5 seconds or more

  • Driving support ECU

  • Power management control ECU

WIRING DIAGRAM

Refer to DTC C1A40 Click here.

INSPECTION PROCEDURE

PROCEDURE


  1. READ OUTPUT DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Radar Cruise / DTC.

    5. Read the DTCs.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO DTC CHART Click here

    A

  2. CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Clear the DTCs Click here.

    5. Turn the power switch off.

    6. Turn the power switch on (IG).

    7. Enter the following menus: Powertrain / Hybrid Control / DTC.

    8. Read the DTCs.

      Result
      Result Proceed to
      DTC is not output A
      DTC P1615 is output B

    B

    REPLACE DRIVING SUPPORT ECU Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

  3. REPLACE DRIVING SUPPORT ECU


    1. Replace the driving support ECU Click here.


    NEXT

  4. CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the tester on.

    4. Clear the DTCs Click here.

    5. Turn the power switch off.

    6. Turn the power switch on (IG).

    7. Enter the following menus: Powertrain / Hybrid Control / DTC.

    8. Read the DTCs.

      Result
      Result Proceed to
      DTC is not output A
      DTC P1615 is output (for LHD) B
      DTC P1615 is output (for RHD) C

    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

    C

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    A

    END