Door Lock. Entry And Start System Problem Symptoms Table

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20

Door Lock. Lexus Is250, Is220D. Gse20 Ale20

Entry And Start System -- Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem symptoms. 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.
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 / unlock does not operate.	1. Check for DTCs in the entry and start system (Starting function 4GR-FSE).	Click here
	2. Refer to PROBLEM SYMPTOMS TABLE of the power door lock control system ("All doors cannot be locked / unlocked simultaneously by neither door control switch nor door key cylinder").	Click here
	3. Courtesy light switch circuit	Click here
	4. Lock position switch circuit	-
	- Driver door	Click here
	- Front passenger door	Click here
	- Rear passenger door LH	Click here
	- Rear passenger door RH	Click here
	5. Touch sensor circuit	Click here
	6. Antenna circuit	Click here
	7. Refer to "ID code matching inside the cabin cannot be performed".	-
	8. Replace the door oscillator.	Click here
	9. Replace the main body ECU RH.	-
	10. Replace the certification ECU.	-
Luggage compartment does not open (when the electrical key is outside the vehicle).	1. Check for DTCs in the entry and start system (Starting function 4GR-FSE).	Click here
	2. Check if any function is cancelled due to customization.	Click here
	3. Refer to PROBLEM SYMPTOM TABLE of the luggage compartment door opener system ("Luggage compartment door opener does not operate").	Click here
	4. Operate the luggage compartment opener switch on the electrical key to check the wireless function.	Click here
	5. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system of the wireless door lock control system ("The wireless door lock control system does not operate").	Click here
	6. Check operation of the cabin oscillator in active test.	Click here
	7. Luggage oscillator circuit	Click here
	8. Luggage compartment opener switch circuit	Click here
	9. Replace the main body ECU LH.	-
	10. Replace the main body ECU RH.	-
	11. Replace the certification ECU.	-
All entry function does not operate.	1. Registration of the key.	-
	2. Certification ECU power source circuit	Click here
	3. Replace certification ECU.	-
Function to prevent electrical key confinement in the luggage compartment does not operate. (The luggage compartment does not open.)	1. Check for DTCs in the entry and start system (Starting function 4GR-FSE).	Click here
	2. Power door lock control system	Click here
	3. Courtesy light switch circuit	Click here
	4. Lock position switch circuit	-
	- Driver door	Click here
	- Front passenger door	Click here
	- Rear passenger door LH	Click here
	- Rear passenger door RH	Click here
	5. Check if any function is not cancelled due to customization.	Click here
	6. Operate the LOCK / UNLOCK SW on the key to check the wireless function.	Click here
	7. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate").	Click here
	8. Check operation of the cabin oscillator in active test.	Click here
	9. Luggage oscillator circuit	Click here
	10. Replace the main body ECU RH.	-
	11. Replace the certification ECU.	-
Function to prevent electrical key confinement in the luggage compartment does not operate. (The alarm does not sound.)	1. Check if the function to prevent electrical key confinement in the luggage compartment operates.	Click here
	2. Check if answer back is performed when the wireless door lock is operated.	Click here
	3. Replace the certification ECU.	-
The outside alarm of the answer back and entry systems does not sound.	1. Check if the function to prevent electrical key confinement in the luggage compartment operates.	Click here
	2. Check that "Hazard" and "Buzz Resp Sound" in the DATA LIST of the main body ECU RH is YES. (If it is NO, go to power door lock system.)	Click here
	3. Wireless door lock tuner circuit (DTC B1242)	Click here
	4. Replace the certification ECU.	-
The inside alarm of the entry system does not sound.	1. Operate the LOCK / UNLOCK SW on the electrical key to check the wireless function.	Click here
	2. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("Wireless door lock function").	Click here
	3. Check if the electrical key reminder buzzer sounds.	Click here
	4. Replace the certification ECU.	-
ID code matching inside the cabin cannot be performed.	1. Check if any function is cancelled due to customization.	Click here
	2. Operate the LOCK / UNLOCK SW on the key to check the wireless function.	Click here
	3. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate").	Click here
	4. Check the cabin oscillator operation in the active test.	Click here
	5. Cabin oscillator circuit	Click here
	6. Luggage oscillator circuit	Click here
	7. Replace the certification ECU.	-
ID code matching outside the cabin cannot be performed.	1. Check if any function is cancelled due to customization.	Click here
	2. Operate the LOCK / UNLOCK SW on the electrical key to check the wireless function.	Click here
	3. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate").	Click here
	4. Check operation of each door oscillator in diagnostic mode.	Click here
	5. Door oscillator circuit	Click here
Key reminder buzzer does not sound.	1. Perform ACTIVE TEST for the combination meter.	Click here
	2. Check "Door Courtesy SW" in the DATA LIST of the door control system.	Click here
	3. Check the key reminder buzzer when the engine switch is on (ACC) and the drivers door is opened.	-
	4. Check if the steering wheel is locked when all power supplies are OFF and the drivers door is opened.	-
	5. "Steering wheel cannot be locked" in this table of the steering lock system.	Click here
	6. Check that the "Lck Bar Stuck" item in the DATA LIST of the certification ECU displays OK.	Click here
	7. Replace the steering lock ECU.	-
	8. Replace the certification ECU.	-