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Home >> Lexus >> 2012 >> LS 460 AWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Component Tests and General Diagnostics >> Dynamic Radar Cruise Control System >> Distance Control Switch Circuit
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Distance Control Switch Circuit





CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: Distance Control Switch Circuit
- Distance Control Switch Circuit

DESCRIPTION

The distance control switch sets the vehicle-to-vehicle distance mode. The distance control switch is installed in the steering pad switch with modulator (distance control switch). The vehicle-to-vehicle distance set value can be changed by operating the steering pad switch while the dynamic radar cruise control system is in operation. The steering pad switch with modulator uses the CAN communication line to communicate with each ECU.

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DISTANCE CONTROL SWITCH)

(a) Check the Data List for proper functioning of the distance control switch.

Radar Cruise





OK:

Display changes according to steering pad switch with modulator (distance control switch) operation described in above table.

NG -- READ VALUE USING TECHSTREAM (STEERING PAD SWITCH WITH MODULATOR)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Dynamic Radar Cruise Control System

2. READ VALUE USING TECHSTREAM (STEERING PAD SWITCH WITH MODULATOR)

(a) Check the Data List for proper functioning of the steering pad switch with modulator.

Steering Pad Switch





OK:

Display changes according to steering pad switch with modulator (distance control switch) operation described in above table.

NG -- REPLACE STEERING PAD SWITCH WITH MODULATOR Removal

OK -- REPLACE DRIVING SUPPORT ECU Removal