Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
HINT
If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below Mayday ECU (map light LED blinking pattern)
Mayday ECU (map light LED blinking pattern)
DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area | Indicator (red LED) Illuminates When DTC is Present |
|---|---|---|---|
| 1-1 | Services Disabled |
|
No |
| 1-2 | Option Configuration Error |
|
Yes |
| 2-1 | EEPROM Communication Error |
|
Yes |
| 2-2 | EEPROM Checksum Error |
|
Yes |
| 2-3 | Digital Signal Processor Communication Error |
|
Yes |
| 2-4 | GPS Communication Error |
|
Yes |
| 2-6 | Network Access Device Communication Error |
|
Yes |
| 3-1 | GPS Antenna Error |
|
Yes |
| 3-2 | Cellular Phone Antenna Error |
|
Yes |
| 3-3 | GPS Signal not Received |
|
Yes |
| 4-1 | Red LED Error |
|
Not applicable |
| 4-2 | Green LED Error |
|
Yes |
| 4-3 | Overhead Module Microphone Error |
|
Yes |
| 4-4 | SERVICES, PHONE or PTT Button Stuck |
|
Yes |
| 4-5 | EMERGENCY, VOL+ or VOL- Button Stuck |
|
Yes |
| 4-6 | SERVICES, PHONE or PTT Button has Connection Error |
|
Yes |
| 4-7 | EMERGENCY, VOL+ or VOL- Button has Connection Error |
|
Yes |
| 5-1 | LEXUS Link Communication Error |
|
Yes |
| 5-2 | Airbag Signal Communication Error |
|
Yes |
| 6-1 | Backup Battery Depleted |
|
Yes |
| 6-2 | Low Vehicle Battery Voltage |
|
Yes |
| 6-3 | Backup Battery has been used |
|
Not applicable |
| 6-4 | Backup Battery Connection Error |
|
Yes |
BUS buffer ECU [Mayday Gateway]*1, [MAYDAY GATWAY]*2 (tester display)
DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area |
|---|---|---|
| U0198 | Lost Communication with Telematic Control Module |
|
| HINT: *1: Techstream *2: Intelligent tester |
||