Electronic Power Steering System Terminals Of Ecu
Steering. Lexus Is250, Is220D. Gse20 Ale20
TERMINALS OF ECU
INSPECT WIRE HARNESS SIDE CONNECTOR
Electronic Power Steering System -- Terminals Of Ecu |
- HINT:
- The power steering ECU assembly uses waterproof connectors. Therefore, voltage or waveforms cannot be checked with the connectors connected to the vehicle.
Terminal No. (Symbols)
| Wiring Color
| Terminal Description
|
A31-2 (CANH)
| B
| High-level CAN bus line
|
A31-3 (CANL)
| R
| Low-level CAN bus line
|
A31-4 (PIG)
| R
| Power source
|
A31-5 (PGND)
| B
| Power ground
|
A31-9 (IG)
| B-Y
| IG power source
|
C4-1 (RZG)
| G
| Rotation angle sensor power source circuit ground
|
C4-2 (SRZG)
| BR
| Rotation angle sensor shield ground
|
C4-3 (RZV)
| B
| Rotation angle sensor power source
|
C4-4 (TRQV)
| W
| Torque sensor power source
|
C4-6 (TQG1)
| L-W
| Torque sensor power source circuit ground
|
C4-7 (RZSN)
| W
| SIN phase input signal (Rotation angle sensor)
|
C4-8 (RZCS)
| R
| COS phase input signal (Rotation angle sensor)
|
C4-9 (INSN)
| G-W
| SIN phase input signal (torque sensor input shaft side)
|
C4-10 (INCS)
| R-L
| COS phase input signal (torque sensor input shaft side)
|
C4-11 (OUSN)
| G-B
| SIN phase input signal (torque sensor output shaft side)
|
C4-12 (OUCS)
| Y-B
| COS phase input signal (torque sensor output shaft side)
|
C4-13 (TQG2)
| R-B
| Torque sensor detection circuit ground
|
C5-1 (V)
| W
| V phase motor output
|
C5-2 (U)
| B
| U phase motor output
|
C5-3 (W)
| R
| W phase motor output
|
| INSPECT WIRE HARNESS SIDE CONNECTOR |
Terminal No. (Symbols)
| Wiring Color
| Terminal Description
| Condition
| Specified Condition
|
A31-4 (PIG) - A31-5 (PGND)
| R - B
| Power source
| Always
| Below 1 V
|
A31-5 (PGND) - Body ground
| B - Body ground
| Power ground
| Always
| Below 1 Ω
|
A31-9 (IG) - A31-5 (PGND)
| B-Y - B
| IG power source
| Engine switch on (IG)
| 10 to 14 V
|
C5-2 (U) - C5-3 (W)/C5-1 (V)
| B - R/W
| U phase motor output
| Always
| Below 1 Ω
|
C5-3 (W) - C5-2 (U)/C5-1 (V)
| R - B/W
| W phase motor output
| Always
| Below 1 Ω
|
C5-1 (V) - C5-2 (U)/ C5-3 (W)
| W - B/R
| V phase motor output
| Always
| Below 1 Ω
|
