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 assembly and power management control ECU.

DTC No. DTC Detection Condition Trouble Area
P1615

Both of the following conditions are met:

(a) Power switch is on (IG)

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

  • Driving support ECU assembly

  • Power management control ECU

WIRING DIAGRAM

Refer to DTC C1A40 Click here.

PROCEDURE


  1. CHECK FOR DTCs (RADAR CRUISE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.

    5. Check for DTCs.

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

    6. Turn the power switch off.


    B

    GO TO DTC CHART Click here

    A

  2. CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS 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 / Trouble Codes.

    8. Check for DTCs.

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

    9. Turn the power switch off.


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. REPLACE DRIVING SUPPORT ECU ASSEMBLY


    1. Replace driving support ECU assembly (See page for LHD, Click here for RHD).


    NEXT

  4. CHECK FOR DTCs (DTC P1615)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS 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 / Trouble Codes.

    8. Check for DTCs.

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

    9. Turn the power switch off.


    A

    END

    B

    REPLACE POWER MANAGEMENT CONTROL ECU Click here