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 assembly and power management control ECU.





WIRING DIAGRAM

Refer to DTC C1A40 C1A40.

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 Dynamic Radar Cruise Control System.

(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 ASSEMBLY

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

3. REPLACE DRIVING SUPPORT ECU ASSEMBLY

(a) Replace the driving support ECU assembly 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 Dynamic Radar Cruise Control System.

(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