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