Section 231 (LEXUS Link System - Diagnosis)
WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Precaution
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Diagnosis System
- DTC Check/Clear
- Diagnostic Trouble Code Chart
- Terminals Of Ecu
- Problem Symptoms Table
- DTC 1-3, 1-4, 1-5, 1-6, 1-7, 1-8, 1-9, 1-10: All LEDS Failed Over Current Test At Ignition On (Red, Yellow, Green)
- DTC 2-1, 2-2: Ecu Fails To Write EEPROM Correctly For 3RD Time In A Row, Nonvolatile EEPROM CHECKLESS Error
- DTC 3-5: DSP Does Not Respond To 255 Consecutive Ecu Status
- DTC 5-5: Ecu Does Not Receive Super Packet Message From GPS Module For Period Of 10S While GPS Is Powered On
- DTC 7-1: Tone Ic Response Error
- DTC 8-1, 8-2: Ecu Received A Diagnostics Error From Transceiver, Transceiver Does Not Respond To Any Request For A Period Of 10S
- DTC 9-1, 9-2: GPS Antenna Is Shorted/Open
- DTC 9-3: No GPS 2D/3D Fix While Moving More Than 10 Miles
- DTC 10-1, 10-2, 10-3, 10-4: Services, Play Or Record, Emergency, Volume +, Or Volume -Is Reported Pressed For More Than 15S/10S
- DTC 11-1: Bean 10S Loss Of Communication Error
- DTC 11-2: Discrete Airbag Fault
- DTC 12-1: Back-Up Battery Failed Load Test 10S After Ignition Switch On
- Ecu Power Source Circuit
- Guidance Voice Does Not Come Out During "Service Call" Function
- Malfunction In "Memo Call" Function
- Guidance Voice Of "Demo Memo" Does Not Come Out
- When "Service Button" Is Working, Connection To LEXUS Link Center Cannot Be Made Or Is Immediately Terminated
- While "Service Call" Is Working, Voice Cannot Reach LEXUS Link Center
- After Connection To LEXUS Link Center, No Voice Comes Out
- Connection To LEXUS Link Center Cannot Be Terminated
- Line Condition With LEXUS Link Center Is Abnormal
- Unnecessary Call Is Sent
- Back-Up Battery Life Is Short