Inspection At HECU Terminals
TERMINALS REFERENCE
| Connector terminal | Specification | Note | ||
|---|---|---|---|---|
| No. | Mark | Terminal name | ||
| 4 | IGN+ | Power source via ignition switch terminal | Over voltage range: 16.5 +/- 0.5V < V < 20V Operating voltage range: 9.5 +/- 0.5V < V < 16.5 +/- 0.5V Low voltage range: 8.0V < V < 9.5 +/- 0.5V System down range: V < 7.5 +/- 0.5V Max. current: | < 300mA |
|
| 8 24 |
GND1 GND2 |
Ground terminal | Max. current (Total of 2 terminals): | < 60A | In ABS control |
| 18 | BRAKE | Brake lamp switch | Input terminal | Input voltage (Low): 1.00 V< VIL
< 2.00V Input voltage (High): 7.00V < VIH < 16.00V |
| 1 19 5 23 2 20 6 22 |
FL+ FR+ RL+ RR+ FL- FR- RL- RR- |
Wheel sensor input terminal | Min. sensor voltage: Vs
> 130mVpp Resistance: 1,385 +/-110Ω Input range: 20 - 2000 Hz Inductance: 0.7H +/- 50% Permissible offset voltage range: 2.15V < Voffset < 3.5V |
|
| 16 | WLP | ABS and EBD warning lamp output terminal | Max. current: 1 < 200mA Saturation voltage, at | = 200mA: Vsal < 1-5V |
|
| 7 | Diag. | Diagnosis interface terminal | Input voltage: VIL
< 0.3 VB
V, VIH
0.7 VB
V Output voltage: VOL < 0.2 VB V, VOH > 0.8 VB V |
VB : Ignition voltage |
| 3 | FR-out | Wheel speed output terminal | Max. current: 1 < 10mA External pull up resistance: above 10kΩ (open collector type) |
|
| 25 | BAT1 | Battery power Source 1 terminal (Valve power source) | Max. current (inside control): 1 < 30A Max. current (Outside control): 1 < 20mA |
|
| 9 | BAT2 | Battery power Source 2 terminal (Motor power source) | In ABS control Max. rush current: | < 100A (t < 100 msec) Max. current: | < 30A (t > 100 msec) At IGN off Dark current: | < 0.5mA |
t: The running time of motor |