Terminals Of Ecu
WARNING: This page is about a different car, the 2008 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONVERTIBLE ROOF CONTROL ECU
- Disconnect the C17, C18 and C19 ECU connectors.
- Measure the voltage and resistance of the wire harness side connectors.CONVERTIBLE ROOF CONTROL ECU VOLTAGE AND RESISTANCE
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition BTP(C17-10)- Body ground W - Body ground Convertible roof motor power supply Always 10 to 14 V EIG(C18-5)- Body ground B-R - Body ground Ignition power supply Ignition switch OFF → ON Below 1V → 10 to 14 V GND1 (C17-2)-Body ground W-B - Body ground Ground Always Below 1 Ω GND2 (C19-10)-Body ground W-B - Body ground Ground Always Below 1 Ω GND3 (C18-9)-Body ground W-B - Body ground Ground Always Below 1 Ω SPD (C18-2) - Body ground V-W - Body ground Speed signal from combination meter Ignition switch ON, rotate driving wheel slowly Pulse generation ( TERMINALS OF ECU ) TPU(C18-1)- Body ground B-R - Body ground Convertible roof control switch CLOSE input Convertible roof control switch OFF → CLOSE 10 kΩ or higher → Below 1 Ω TPD(C18-6)- Body ground B - Body ground Convertible roof control switch OPEN input Convertible roof control switch OFF → OPEN 10 kΩ or higher → Below 1 Ω WLSW(C18-10)-Body ground G - Body ground Window lock switch input Window lock switch LOCK-4 UNLOCK 10 kΩ or higher → Below 1 Ω If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the C17, C18 and C19 ECU connectors.
- Measure the voltage the connectors.CONVERTIBLE ROOF CONTROL ECU VOLTAGE
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition TL+(C17-7) -GND1 (C17-2) L-W - W-B Convertible roof motor (LH) CLOSE output Ignition switch ON, Convertible roof control switch OFF → CLOSE Below 1 V → 10 to 14 V TL-(C17-3) -GND1(C17-2) W-R - W-B Convertible roof motor (LH) OPEN output Ignition switch ON, Convertible roof control switch OFF → OPEN Below 1 V → 10 to 14 V TSR+(C19-2)-GND1 (C17-2) L-W-W-B Convertible roof motor (RH) CLOSE output Ignition switch ON, Convertible roof control switch OFF → CLOSE Below 1 V → 10 to 14 V TSR-(C19-3)-GND1 (C17-2) W-R - W-B Convertible roof motor (RH) OPEN output Ignition switch ON, Convertible roof control switch OFF → OPEN Below 1 V → 10 to 14 V If the result is not as specified, the ECU may have a malfunction.