P1615

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P1615: Communication Error from Distance Control ECU to HV ECU
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.





WIRING DIAGRAM

Refer to DTC C1A40 Dynamic Radar Cruise Control System.

INSPECTION PROCEDURE

PROCEDURE

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

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.

(e) Read the DTCs.

Result:





B -- GO TO DTC CHART Dynamic Radar Cruise Control System
A -- Continue to next step.

2. CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(e) Turn the power switch off.

(f) Turn the power switch on (IG).

(g) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

(h) Read the DTCs.

Result:





B -- REPLACE DRIVING SUPPORT ECU

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

3. REPLACE DRIVING SUPPORT ECU

(a) Replace the driving support ECU Removal.

NEXT -- Continue to next step.

4. CHECK WHETHER DTC OUTPUT RECURS (DTC P1615)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(e) Turn the power switch off.

(f) Turn the power switch on (IG).

(g) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

(h) Read the DTCs.

Result:





B -- REPLACE POWER MANAGEMENT CONTROL ECU Removal

A -- END