| TIBURON(GK) >2004 > G 2.7 DOHC > Brake System > ABS(Anti-Lock Brake System) > ABS Control Module>Schematic Diagrams |

HECU BLOCK DIAGRAM
1. | ABS ECU BLOCK DIAGRAM
2. | TCS ECU BLOCK DIAGRAM
CIRCUIT DIAGRAM
INSPECTION OF HECU TERMINALS
Terminals No. | Condition | Standard Voltage (V)
25 - GND (8,24) | Always | 10 - 14
9 - GND (8,24) | Always | 10 - 14
4 - GND (8,24) | Ignition switch ON | 10 - 14
16 - GND (8,24) | Ignition switch ON, ABS warning lamp ON | 3 - 5
18 - GND (8,24) | Stop lamp switch OFF | Below 1.0
Stop lamp switch ON | 10 - 14
19 - 20 | Ignition switch ON, slowly turn right front wheel | AC voltage generation
1 - 2 | Ignition switch ON, slowly turn left front wheel | AC voltage generation
22 - 23 | Ignition switch ON, slowly turn right rear wheel | AC voltage generation
5 - 6 | Ignition switch ON, slowly turn left rear wheel | AC voltage generation
14 - GND (8,24) | Ignition switch ON, TCS switch ON | 10 - 14
GND (8,24) - Body ground | Always | Continuity