Index

Decode Lotus ABS Codes

Serial (ELM327 + ABS)

Connect an ELM327 adapter (USB or Bluetooth serial) with PIN 7 => 12 for ABS. Use Chrome or Edge on HTTPS or localhost.

For diagnostics, it is usually helpful to clear DTCs, then read again to see which codes return.

Disconnected.

Diagnostic Trouble Code Data

Paste the raw hex response from reading DTCs. Spaces optional.

Results

Wiring — EBC430 ABS Plug

Pin Wire Color Usage Notes
1 LtGrn/Yel LF Wheel Speed Output
2 LtGrn/Gry RF Wheel Speed Output
3 LtGrn/Pnk LR Wheel Speed Output
4 LtGrn RR Wheel Speed Output
5
6
7
8
9 Red RR Wheel Speed Input A Twisted pair
10 Blu RR Wheel Speed Input B Twisted pair
11 Prp/Yel K-Line Diagnosis
12 Gry RF Wheel Speed Input A Twisted pair
13 Grn RF Wheel Speed Input B Twisted pair
14 Yel LF Wheel Speed Input A Twisted pair
15 Grn 10a 12v
16 Blk Ground
17 Brn/Blu 60a 12v Shared
18 Brn/Blu 60a 12v Shared
19 Blk Ground
20 Blk/Yel ABS Fail Light Output Grounds wire when failed; needs a resistor to ground to emulate bulb or ABS fail light code is thrown
21
22 Prp LR Wheel Speed Input A Twisted pair
23 Brn LR Wheel Speed Input B Twisted pair
24 Grn/Prp Brake Pedal Input
25 Pnk LF Wheel Speed Input B Twisted pair