## ABS Components

#### System Description

19-94

ABS Control Unit Inputs and Outputs for 25P Connector

Wire side of female terminals

Terminal number | Wire colour | Terminal sign (Terminal name) | Description | Measurement (Disconnect the ABS control unit connector)
Terminals | Conditions | Voltage
2 | BLU | FWR (-) (Front-right wheel negative) | Detects right-front wheel sensor signal | 2 – 18 | Wheel | Spin wheel at 1 turn/ second | AC: 0.053V or above Oscilloscope 0.15 Vp-p or above
3 | BLU/ORN | FLW (+) (Front-left wheel positive) | Detects left-front wheel sensor signal | 3 - 12
4 | WHT/BLK | STOP | Detects brake switch signal | 4 – GND | Brake pedal | Pressed | Battery Voltage
Released | Below 0.3V
5 | YEL/RED | RLW (+) (Rear-left wheel positive) | Detects left-rear wheel sensor signal | 5 - 14 | Wheel | Spin wheel at 1 turn/ second | AC: 0.053V or above Oscilloscope 0.15 Vp-p or above
6 | BLU/YEL | RRW (-) (Right-rear wheel negative) | Detects right-rear wheel sensor signal | 6 – 15
7 | BLU/RED | WALP (Warning lamp) | Drives ABS indicator | 7 - GND | ABS indicator (Ignition switch ON (II)) | ON | About 6V
OFF | Below 0.3V *1
8 | WHT/GRN | FSR + B (ABS fail-safe relay battery) | Power source for the ABS fail-safe relay | 8 – GND | At all times | Battery voltage
9 | WHT/RED | MR + B (Motor relay battery) | Power source for the motor relay | 9 - GND | At all times | Battery voltage
10 | LT BLU | DLC (Data link connector) | Communicates with the Honda PGM Tester | ——— | ——— | ———