Up to 08/2009

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P1617: Distance Control ECU Malfunction
P1617 - Distance Control ECU Malfunction

DESCRIPTION

In the dynamic radar cruise control system, the ECM and the driving support ECU (distance control ECU) communicate with one another to control the system based on some designation information. If the designation information of the ECM and driving support ECU is different or the driving support ECU is malfunctioning, this DTC is recorded.





INSPECTION PROCEDURE

PROCEDURE

1. REPLACE DRIVING SUPPORT ECU

(a) Replace the driving support ECU Components.

NEXT -- Continue to next step.

2. CHECK DTC OUTPUT

(a) Clear the DTCs Dynamic Radar Cruise Control System.

(b) Perform the following to make sure that the DTC detection conditions are met.

HINT
If the detection conditions are not met, the malfunction cannot be detected.

(1) Drive the vehicle at a speed of 50 km/h (31 mph) or more.

(2) Turn the cruise control main switch on.

(c) Check for DTCs Dynamic Radar Cruise Control System.

Result:





B -- REPLACE ECM Components

A -- END