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Home >> Lexus >> 2010 >> LS 460L RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests) >> Smart Access System With Push-Button Start >> Problem Symptoms Table >> Problem Symptoms Table
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Problem Symptoms Table

HINT: 

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.

SMART ACCESS SYSTEM WITH PUSH-BUTTON START:

Symptom Suspected Area See
All door entry lock / unlock functions and wireless functions do not operate Power door lock control system Refer toAll Door Entry Lock/Unlock Functions and Wireless Functions do not Operate 
Electrical key transmitter -
Transmitter battery -
Fuse (P MPX-B) -
Harness and connector -
Door control receiver -
Certification ECU -
All door entry lock / unlock functions do not operate, but wireless functions operate Electrical key transmitter Refer toAll Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate 
Certification ECU -
Driver side door entry unlock function does not operate Power door lock control system Refer toDriver Side Door Entry Unlock Function does not Operate 
Door electrical key oscillator (for front LH) -
Front door outside handle assembly LH -
Front door ECU LH -
Certification ECU -
Harness and connector -
Front passenger side door entry unlock function does not operate Power door lock control system Refer toFront Passenger Side Door Entry Unlock Function does not Operate 
Door electrical key oscillator (for front RH) -
Front door outside handle assembly RH -
Front door ECU RH -
Certification ECU -
Harness and connector -
Rear door LH entry unlock function does not operate Power door lock control system Refer toRear Door LH Entry Unlock Function does not Operate 
Door electrical key oscillator (for rear LH) -
Rear door outside handle assembly LH -
Rear door ECU LH -
Certification ECU -
Harness and connector -
Rear door RH entry unlock function does not operate Power door lock control system Refer toRear Door RH Entry Unlock Function does not Operate 
Door electrical key oscillator (for rear RH) -
Rear door outside handle assembly RH -
Rear door ECU RH -
Certification ECU -
Harness and connector -
Driver side door entry lock and unlock function does not operate Power door lock control system Refer toDriver Side Door Entry Lock and Unlock Functions do not Operate 
Door electrical key oscillator (for front LH) -
Front door outside handle assembly LH -
Front door ECU LH -
Certification ECU -
Harness and connector -
Front passenger side door entry lock and unlock function does not operate Power door lock control system Refer toFront Passenger Side Door Entry Lock and Unlock Functions do not Operate 
Door electrical key oscillator (for front RH) -
Front door outside handle assembly RH -
Front door ECU RH -
Certification ECU -
Harness and connector -
Rear door LH entry lock and unlock function does not operate Power door lock control system Refer toRear Door LH Entry Lock and Unlock Functions do not Operate 
Door electrical key oscillator (for rear LH) -
Rear door outside handle assembly LH -
Rear door ECU LH -
Certification ECU -
Harness and connector -
Rear door RH entry lock and unlock function does not operate Power door lock control system Refer toRear Door RH Entry Lock and Unlock Functions do not Operate 
Door electrical key oscillator (for rear RH) -
Rear door outside handle assembly RH -
Rear door ECU RH -
Certification ECU -
Harness and connector -
Driver side door entry lock function does not operate Power door lock control system Refer toDriver Side Door Entry Lock Function does not Operate 
Door electrical key oscillator (for front LH) -
Front door outside handle assembly LH -
Front door ECU LH -
Certification ECU -
Harness and connector -
Front passenger side door entry lock function does not operate Power door lock control system Refer toFront Passenger Side Door Entry Lock Function does not Operate 
Door electrical key oscillator (for front RH) -
Front door outside handle assembly RH -
Front door ECU RH -
Certification ECU -
Harness and connector -
Rear door LH entry lock function does not operate Power door lock control system Refer toRear Door LH Entry Lock Function does not Operate 
Door electrical key oscillator (for rear LH) -
Rear door outside handle assembly LH -
Rear door ECU LH -
Certification ECU -
Harness and connector -
Rear door RH entry lock function does not operate Power door lock control system Refer toRear Door RH Entry Lock Function does not Operate 
Door electrical key oscillator (for rear RH) -
Rear door outside handle assembly RH -
Rear door ECU RH -
Certification ECU -
Harness and connector -
Room oscillator does not recognize key Indoor electrical key oscillator (for front) Refer toRoom Oscillator does not Recognize Key 
Indoor electrical key oscillator (for rear) -
Certification ECU -
Harness and connector -
Electrical key transmitter -
Luggage compartment door entry unlock function does not operate when key is outside luggage compartment Electrical key antenna (for luggage) Refer toLuggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment 
Luggage compartment door opener switch -
Indoor electrical key oscillator (for luggage) -
Rear junction block ECU -
Luggage door closer motor -
Harness and connector -
Certification ECU -
Key luggage compartment lock-in prevention function does not operate Indoor electrical key oscillator (for luggage) Refer toKey Luggage Compartment Lock-in Prevention Function does not Operate 
Certification ECU -
Harness and connector -
Entry interior alarm does not sound Combination meter Refer toEntry Interior Alarm does not Sound 
Certification ECU -
Entry answer-back does not occur Wireless door lock control system Refer toEntry Answer-back Buzzer does not Sound 
Certification ECU -