Lexus ES: Terminals Of Ecu
TERMINALS OF ECU
MULTIPLEX TILT AND TELESCOPIC ECU
| *a | Component with harness connected (Multiplex Tilt and Telescopic ECU) | - | - |
(a) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Inspect the connectors from the back side while the connectors are connected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G63-1 (GND) - Body ground | W-B - Body ground | ECU ground | Always | Below 1 Ω |
| G63-2 (+B) - G63-1 (GND) | B - W-B | Motor power source | Power switch off | 11 to 14 V |
| G63-3 (CANP) - G63-11 (CANN) | R - W | CAN communication | Power switch off | 54 to 69 Ω |
| G63-4 (E1) - Body ground | BE - Body ground | Tilt sensor ground | Always | Below 1 Ω |
| G63-5 (VC) - G63-18 (MSW) | L - GR | Tilt and telescopic switch signal | Power switch on (IG) | 4.9 to 5.1 V |
| G63-6 (TEM+) - G63-1 (GND) | B - W-B | Telescopic motor output |
| 11 to 14 V |
| Telescopic motor not operating | Below 1 V | |||
| G63-7 (TIM+) - G63-1 (GND) | LG - W-B | Tilt motor output |
| 11 to 14 V |
| Tilt motor not operating | Below 1 V | |||
| G63-8 (GND2) - Body ground | BR - Body ground | ECU ground | Always | Below 1 Ω |
| G63-9 (ECUB) - G63-1 (GND) | BR - W-B | ECU power source | Power switch off | 11 to 14 V |
| G63-10 (IG) - G63-1 (GND) | L - W-B | IG signal / IG power source | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| G63-13 (VCI) - G63-4 (E1) | B - BE | Tilt sensor power source | Power switch on (IG) | 8 to 14 V |
| G63-14 (VCE) - G63-17 (E2) | GR - LG | Telescopic sensor power source | Power switch on (IG) | 8 to 14 V |
| G63-15 (TES) - G63-17 (E2) | R - LG | Telescopic sensor signal | Telescopic motor operating | Pulse generation HI: 8 to 14 V LOW: Below 1 V |
| G63-16 (TIS) - G63-4 (E1) | W - BE | Tilt sensor signal | Tilt motor operating | Pulse generation HI: 8 to 14 V LOW: Below 1 V |
| G63-17 (E2) - Body ground | LG - Body ground | Telescopic sensor ground | Always | Below 1 Ω |
| G63-19 (TEM-) - G63-1 (GND) | G - W-B | Telescopic motor output |
| 11 to 14 V |
| Telescopic motor not operating | Below 1 V | |||
| G63-20 (TIM-) - G63-1 (GND) | L - W-B | Tilt motor output |
| 11 to 14 V |
| Tilt motor not operating | Below 1 V |
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