Entry And Start System Problem Symptoms Table

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Door Lock. Lexus Gs430, Gs300. Uzs190 Grs190

Entry And Start System -- Problem Symptoms Table


HINT:
  1. Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  1. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

ENTRY AND START SYSTEM
Symptom
Suspected area
See page
Entry lock and unlock functions do not operate on all doors
Wireless door lock control function
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry unlock function does not operate on driver side door
Power door lock control system
Click here
Door electrical key oscillator front
Click here
Front door handle assembly outside
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry unlock function does not operate on front passenger side door
Power door lock control system
Click here
Door electrical key oscillator front
Click here
Front door handle assembly outside
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry unlock function does not operate on rear door LH
Power door lock control system
Click here
Door electrical key oscillator rear LH
Click here
Rear door outside handle assembly LH
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry unlock function does not operate on rear door RH
Power door lock control system
Click here
Door electrical key oscillator rear RH
Click here
Rear door outside handle assembly RH
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock and unlock functions do not operate on driver side door
Power door lock control system
Click here
Door electrical key oscillator front
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock and unlock functions do not operate on front passenger side door
Power door lock control system
Click here
Door electrical key oscillator front
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock and unlock functions do not operate on rear door LH
Power door lock control system
Click here
Door electrical key oscillator rear LH
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock and unlock functions do not operate on rear door RH
Power door lock control system
Click here
Door electrical key oscillator rear RH
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock function does not operate on driver side door
Power door lock control system
Click here
Front door handle assembly outside
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock function does not operate on front passenger side door
Power door lock control system
Click here
Front door handle assembly outside
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock function does not operate on rear door LH
Power door lock control system
Click here
Rear door outside handle assembly LH
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry lock function does not operate on rear door RH
Power door lock control system
Click here
Rear door outside handle assembly RH
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Room oscillator does not recognize key
Indoor electrical key oscillator (front)
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry unlock function does not operate on luggage compartment door when key is outside luggage compartment
Luggage electrical key oscillator (outer)
Click here
Luggage compartment door opening switch
Click here
Luggage electrical key antenna
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Key luggage compartment lock-in prevention function does not operate
Luggage electrical key oscillator (inner)
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry interior alarm does not sound
Combination meter
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry functions do not operate at all
Wireless door lock control function
Click here
Certification ECU assembly
Click here
Wire harness
Click here
Entry answer-back does not occur
Wireless door lock control function
Click here
Entry buzzer does not sound
Wireless door lock control function
Click here