Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190
Variable Gear Ratio Steering System -- Terminals Of Ecu |
- HINT:
- Inspect the connectors from the back side while they are connected.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| AFS+ (A42-2) - PGND (A42-7) | L - W-B | CAN communication line (to AFS system) | Engine switch on (IG) | Pulse generation |
| IG (A42-3) - PGND (A42-7) | B-Y - W-B | Power supply (ECU-IG fuse) | Engine switch on (IG) | 10 to 14 V |
| CAN+ (A42-4) - CAN- (A42-9) | B - W | Local CAN communication | Engine switch on (IG) | Pulse generation |
| AFS- (A42-5) - PGND (A42-7) | Y - W-B | CAN communication line (to AFS system) | Engine switch on (IG) | Pulse generation |
| PGND (A42-7) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| PIG (A42-8) - PGND (A42-7) | R - W-B | Power supply (VGRS fuse) | Engine switch on (IG) | 10 to 14 V |
| +BI (A42-10) - PGND (A42-7) | GR - W-B | Power supply (ECU-B fuse) | Always | 10 to 14 V |
| BMV (L69-1) - PGND (A42-7) | W - W-B | Steering actuator motor signal (V phase) | Engine start | Sine wave |
| BMU (L69-2) - PGND (A42-7) | B - W-B | Steering actuator motor signal (U phase) | Engine start | Sine wave |
| BMW (L69-3) - PGND (A42-7) | R - W-B | Steering actuator motor signal (W phase) | Engine start | Sine wave |
| SG (L69-6) - PND2 (L69-8) | BR - W-B | Steering actuator motor signal shield ground | Always | Below 1 Ω |
| PND2 (L69-8) - Body ground | W-B - Body ground | Steering control ECU ground | Always | Below 1 Ω |
| +BO (L70-1) - PGND (A42-7) | LG - W-B | Steering sensor power supply line | Always | 10 to 14 V |
| LV (L70-3) - PGND (A42-7) | Y - W-B | Power source for steering actuator lock | Engine switch on (IG) | 10 to 14 V |
| S1 (L70-41) - PGND (A42-7) | W - W-B | Steering actuator motor rotation angle sensor signal | Engine switch on (IG) | Sine wave |
| RV (L70-6) - PGND (A42-7) | B - W-B | Steering actuator resolver excitation output voltage | Engine switch on (IG) | Sine wave |
| SIL (L70-7) - PGND (A42-7) | R - W-B (LHD) SB - W-B (RHD) | Diagnostic communication signal | Engine switch on (IG) | Pulse generation |
| CANH (L70-9) - CANL (L70-20) | R - W | Global CAN communication | Engine switch on (IG) | Pulse generation |
| SS1- (L70-10) - PGND (A42-7) | L - W-B | Steering angle sensor signal | Engine switch on (IG), turn the steering wheel | Pulse generation |
| LG (L70-12) - PGND (A42-7) | L - W-B | Steering actuator lock ground | Engine start | Pulse generation |
| S2 (L70-14) - PGND (A42-7) | R - W-B | Steering actuator motor rotation angle sensor signal | Engine switch on (IG) | Sine wave |
| RG (L70-15) - PGND (A42-7) | G - W-B | Steering actuator resolver common ground | Always | Below 1 Ω |
| SS2+ (L70-16) - PGND (A42-7) | Shielded - W-B | Ground for steering actuator motor rotation angle sensor signal wire and control signal wire shield wire | Engine switch on (IG) | Pulse generation |
| SS1+ (L70-19) - PGND (A42-7) | LG - W-B | Steering angle sensor signal | Engine switch on (IG), turn the steering wheel | 3 to 4 V |