Lexus ES: Terminals Of Ecu
TERMINALS OF ECU
MULTIPLEX TILT AND TELESCOPIC ECU
.png)
| *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) | P - 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 |
READ NEXT:
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with the diagnostic system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body El
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA NOTICE:
Freeze frame data values will vary depending on the measurement conditions, surroundings, or vehicle conditions. For this reason, there may be a problem
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *1 SPIRAL CABLE SUB-ASSEMBLY *2 STEERING WHEEL HEATER SWITCH (REFRESHING SEAT SWITCH) *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 3 FUSE *4 AIR CONDITIONING CONTROL ASSEMBLY *5 AIR CONDITIONING AMPLIFIER ASSEMBLY *6 RADIO RECEIV
Brake Switch "A" Circuit Short to Battery (P057112)
DESCRIPTION The skid control ECU (brake actuator assembly) receives stop light switch assembly signals and uses them to determine whether or not the brakes are applied. DTCs may be stored if either of the following occurs:
Stop light switch assembly stuck on malfunction.
The accelerator and bra
