Lexus ES: System Diagram
SYSTEM DIAGRAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
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*: Use the Techstre
Road Test
ROAD TEST HINT:
The dynamic radar cruise control system has 2 cruise control modes: constant speed control mode and vehicle-to-vehicle distance control mode.
Vehicle-to-vehicle distance control m
Operation Check
OPERATION CHECK INPUT SIGNAL CHECK (a) Connect the Techstream to the DLC3. (b) Check the steering pad switch assembly using the Data List function of the Techstream (cruise control main switch, -SET s
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Diagnosis System
DIAGNOSIS SYSTEM PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE (a) In diagnostic mode for the parking assist monitor system, signals received by the radio receiver assembly can be checked and the parking assist monitor system can be calibrated, adjusted and checked using the multi-display assembly.
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE:
When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System
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