Terminals Of Ecu [03/2012 - 05/2013]
- CHECK COMBINATION METER ASSEMBLY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Measure the voltage and resistance of the wire harness side connector.
Terminals No.
(Symbol)Wiring Color Terminal Description Condition Specified Condition D7-1 (B) - Body ground R-W - Body ground Battery Always 11 to 14 V D7-2 (IG+) - Body ground W-G - Body ground Ignition switch signal Ignition switch off → ON Below 1 V → 11 to 14 V D7-6 (CANH) - Body ground BR - Body ground CAN communication line Ignition switch ON Pulse generation D7-7 (CANL) - Body ground BR-W - Body ground CAN communication line Ignition switch ON Pulse generation D7-9 (ILL-) - Body ground B-W - Body ground Light control rheostat output signal Ignition switch ON
Light control rheostat all top open → all bottom openBelow 1 V → 11 to 14 V D7-13 (P/SB) - Body ground BR-R - Body ground Front passenger seat inner belt output signal Front passenger seat is occupied and its seat belt unfastened → fastened Below 1 V → 11 to 14 V D7-14 (S) - Body ground LG - Body ground Engine oil pressure signal Engine oil pressure warning light ON → OFF Below 1 V → 11 to 14 V D7-15 (CHG-) - Body ground G - Body ground Charge warning light signal Engine start
Charge warning light ON → OFFBelow 1 V → 11 to 14 V D7-17 (LBL) - Body ground W-L - Body ground Brake fluid level warning light signal Ignition switch ON
Brake fluid level warning light ON → OFFBelow 1 V → 11 to 14 V D7-18 (ILL+) - Body ground V - Body ground Security warning light signal Ignition switch ON
Security warning light blink → OFFBelow 1 V ←→11 to 14 V→ 11 to 14 V D7-20 (ES1) - Body ground B-Y - Body ground Ground Always Below 1 Ω D7-21 (LR) - Body ground GR - Body ground Right turn signal Ignition switch ON
Right turn indicator light blink → OFFBelow 1 V ←→11 to 14 V→ 11 to 14 V D7-22 (LL) - Body ground W-R - Body ground Left turn signal Ignition switch ON
Left turn indicator light blink → OFFBelow 1 V ←→11 to 14 V→ 11 to 14 V D7-24 (TAM) - D7-25 (SG-) L - W Ambient temperature sensor signal Ignition switch ON
at 25°C (77°F)1.35 to 1.75 V D7-27 (L) - D7-28 (FS-) LG - L Fuel level signal Fuel level is FULL → EMPTY Below 1 V → 4.5 to 9.0 V D7-30 (E) - Body ground L-R - Body ground Light control rheostat ground Always Below 1 Ω D7-31 (TR) - Body ground Y - Body ground Light control rheostat input signal Light control rheostat all top open → all bottom open 510 Ω → 100 Ω D7-32 (T) - Body ground G-W - Body ground Ignition switch signal Ignition switch off → ON Below 1 V → 3.6 to 4.6 V D7-33 (TC) - Body ground BR - Body ground Light control rheostat signal Light control rheostat all top open → Light control rheostat (cancel switch) ON 10 kΩ or higher → Below 1 Ω D7-34 (DISP) - Body ground R - Body ground DISP switch signal DISP switch ON → OFF Below 1 Ω → 10 kΩ or higher D7-36 (TRIP) - Body ground P - Body ground ODO/TRIP switch signal ODO/TRIP switch ON → OFF Below 1 Ω → 10 kΩ or higher D7-37 (DBKL) - Body ground R-B - Body ground Driver seat inner belt input signal Driver seat is seat belt unfastened → fastened Below 1 V → 11 to 14 V D7-38 (PBKL) - Body ground R-G - Body ground Airbag sensor assembly input signal Front passenger seat is occupied and its seat belt unfastened → fastened Below 1 V → 11 to 14 V D7-40 (ES2) - Body ground B-Y - Body ground Ground Always Below 1 Ω If the result is not as specified, the combination meter assembly may have a malfunction.
- Measure the voltage and resistance of the wire harness side connector.