Lexus NX: Terminals Of Ecu
TERMINALS OF ECU
CHECK STEREO COMPONENT EQUALIZER ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I117-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| I117-3 (+B) - Body ground | W - Body ground | Power supply | Power switch off | 11 to 14 V |
| I117-4 (CANH) - Body ground | R - Body ground | CAN communication signal | - | - |
| I117-5 (VLSW) - Body ground | G - Body ground | Vehicle sound switch signal | Power switch on (IG), vehicle sound switch on | 11 to 14 V |
| Power switch on (IG), vehicle sound switch off | Below 1 V | |||
| I117-9 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| I117-11 (IG) - Body ground | Y - Body ground | IG power supply | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| I117-12 (CANL) - Body ground | W - Body ground | CAN communication signal | - | - |
| I117-14 (VSLI) - Body ground | B - Body ground | Vehicle sound switch volume signal | Power switch on (IG), vehicle sound switch volume set to maximum | 11 to 14 V |
| Power switch on (IG), vehicle sound switch volume set to minimum | 8.0 to 11.5 V | |||
| I117-16 (SPO+) - I117-15 (SPO-) | B - R | Sound signal | Simulated engine sounds being output | A waveform synchronized with sound is output |
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK USING Techstream (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / ASC
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an ASC system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a)
Fail-safe Chart
FAIL-SAFE CHART ASC System (a) The stereo component equalizer assembly stores DTCs and freeze frame data and stops sound output if it detects any of the following abnormalities. Item Abnormality
SEE MORE:
Rear Door RH Entry Unlock Function does not Operate
DESCRIPTION If the entry unlock function does not operate for the rear door RH only, but the entry lock function operates, the request code is being transmitted properly from the rear door RH. In this case, there may be a problem related to the unlock sensor (connection between the certification ECU
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no m
