Lexus IS250 IS220d GSE20 ALE20 - ENGINE HOOD / DOOR
LUGGAGE COMPARTMENT DOOR OPENER SYSTEM - TERMINALS OF ECU
| CHECK MAIN BODY ECU RH |
Disconnect the RD and RK junction block connectors.
Disconnect the J75 ECU connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| BECU (RK-5 ) - Body ground | G-R - Body ground | Battery (power supply) | Always | 10 to 14 V |
| GND1 (RD-17) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| GND2 (RD-7) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the RD and RK junction block connectors.
Reconnect the J75 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| TSW (J75-2) - Body ground | LG - Body ground | Luggage compartment door main opener switch signal input | Luggage compartment door main opener switch OFF | 10 to 14 V |
| Luggage compartment door main opener switch ON | Below 1 V | |||
| TKUL (J75-3) - Body ground | P - Body ground | Luggage compartment door opener switch signal input | Luggage compartment door opener switch OFF | 10 to 14 V |
| Luggage compartment door opener switch ON | Below 1 V |
If the result is not as specified, the ECU may have a malfunction.
LEXUS IS250, IS220d / GSE20 ALE20