Wireless Door Lock Control System - Problem Symptoms Table

Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK


WIRELESS DOOR LOCK CONTROL SYSTEM - PROBLEM SYMPTOMS TABLE

Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit.

WIRELESS DOOR LOCK CONTROL SYSTEM
SymptomSuspected areaSee page
The wireless door lock control system does not operate. 1. Perform the operation check
2. Check if the MULTIPLEX communication DTC is output
3. Door control transmitter
4. Door courtesy light switch circuit
5. Luggage compartment door courtesy light switch
6. Power source circuit
7. Replace door control receiver-
8. Replace certification ECU-
9. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The panic alarm function only does not operate.* 1. Perform the operation check
2. Door control transmitter
3. If the symptom still occurs after the above area has been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The panic alarm function does not operate (Vehicle horn).* 1. Perform the operation check
2. Horn circuit
3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B H)-
The panic alarm function does not operate (Security horn).* 1. Perform the operation check
2. Security horn circuit
3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The panic alarm function does not operate (Hazard warning light).* 1. Perform the operation check
2. Wire harness-
3. Turn signal flasher
4. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The panic alarm function does not operate (Headlight or taillight).* 1. Perform the operation check
2. Lighting system
3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The automatic lock function does not operate normally. 1. Perform the operation check
2. Door courtesy light switch circuit
3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The door ajar warning function only does not operate. 1. Perform the operation check
2. Door courtesy switch circuit
3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The illuminated entry function only does not operate. 1. Perform the operation check
2. Lighting system
3. If the symptom still occurs after the above area has been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The answer back function does not operate (Wireless door lock buzzer).* 1. Perform the operation check
2. Wireless door lock buzzer circuit*
3. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
The answer back function does not operate (Hazard warning light). 1. Perform the operation check
2. Wire harness-
3. Turn signal flasher
4. If the symptom still occurs after the above areas have been inspected and proved to be normal, replace the main body ECU RH (cowl side J/B RH)-
  • HINT:
  • *: Australia, New Zealand