Terminals Of Ecu
WARNING: This page is about a different car, the 2006 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.TERMINALS SPECIFIED CONDITION
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 14V EIG (C18-5) - Body ground B-R - Body ground Ignition power supply Ignition switch OFF --> ON Below 1V --> 10 to 14V 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 (See 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 --> 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.VOLTAGE SPECIFIED CONDITION
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 1V --> 10 to 14V 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 1V --> 10 to 14V 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 1V --> 10 to 14V 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 1V --> 10 to 14V If the result is not as specified, the ECU may have a malfunction.