Terminals Of Ecu
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
VOLTAGE SPECIFICATION
| Symbols (Terminal No.) | Wiring Color | Condition | STD Voltage (V) |
|---|---|---|---|
| C17-1 (M+) | P-L <-> L | Multiplex communication circuit | - |
| C17-3 - C17-7 (CLSW - MGND) | LG-R <-> W-B | Clearance sonar main switch ON | Below 1 V |
| Clearance sonar main switch OFF | 10 - 14 V | ||
| C17-4 - C17-7 (FBZ+ - MGND) | R-Y <-> W-B | Clearance sonar sounding (when the clearance sonar senses something) | Shape of wave |
| C17-5 - C17-7 (IG - MGND) | B-R <-> W-B | Constant | 10 - 14 V |
| C17-6 - C17-7 (RBZ+ - MGND) | GR <-> W-B | Clearance sonar sounding | Shape of wave |
| C17-7 - Body ground (MGND - Body ground) | W-B <-> Body ground | Constant | Below 1 V |
| C17-8 - Body ground (FGND - Body ground) | P-G <-> Body ground | Constant | Below 1 V |
| C17-9 - C17-7 (FRS - MGND) | R-B <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (front right side) (During OFF sensing). | Shape of wave |
| C17-10 - C17-7 (FR - MGND) | R-W <-> W-B | When signals are transmitted from the ECU to the center ultrasonic sensor (front right) (During OFF sensing). | Shape of wave |
| C17-11 - C17-7 (FCR - MGND) | G-W <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (front right center) (During OFF sensing). | Shape of wave |
| C17-12 - C17-7 (FCL - MGND) | R-G <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (front left center) (During OFF sensing). | Shape of wave |
| C17-13 - C17-7 (FL - MGND) | G-W <-> W-B | When signals are transmitted from the ECU to the front ultrasonic sensor (front left) (During OFF sensing). | Shape of wave |
| C17-17 - Body ground (FBZ - Body ground) | O <-> Body ground | Constant | Below 1 V |
| C17-19 - Body ground (RBZ - Body ground) | V-Y <-> Body ground | Constant | Below 1 V |
| C17-20 - Body ground (RGND - Body ground) | V-G <-> Body ground | Constant | Below 1 V |
| C17-21 - C17-7 (FLS - MGND) | G-Y <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (front left side) (During OFF sensing). | Shape of wave |
| C17-22 - C17-7 (RR - MGND) | Y <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (rear right) (During OFF sensing). | Shape of wave |
| C17-23 - C17-7 (RBR - MGND) | BR-W <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (rear right center) (During OFF sensing). | Shape of wave |
| C17-24 - C17-7 (RBL - MGND) | BR-B <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (rear left center) (During OFF sensing). | Shape of wave |
| C17-25 - C17-7 (RL - MGND) | BR-Y <-> W-B | When signals are transmitted from the ECU to the ultrasonic sensor (rear left) (During OFF sensing). | Shape of wave |