LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2016 >> RC 200t Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostics - Introduction (7 Of 8) >> Meter / Gauge System >> Terminals Of Ecu [08/2016 - 11/2017] >> Terminals Of Ecu [08/2016 - 11/2017]

Terminals Of Ecu [08/2016 - 11/2017]

  1. COMBINATION METER ASSEMBLY 
    GTY500568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      O3-2 (MSM+) - Body ground L - Body ground Steering pad switch assembly signal Engine switch on (IG), enter, top and back switches on steering pad switch assembly not pushed 4.8 to 5.2 V
      O3-3 (MSTI) - Body ground P - Body ground Steering pad switch assembly signal Engine switch on (IG), up, down, right and left switches on steering pad switch assembly not pushed 4.8 to 5.2 V
      O3-4 (ODO) - Body ground L - Body ground ODO/TRIP switch signal Engine switch on (IG), ODO/TRIP switch not pushed 4 to 6 V
      Engine switch on (IG), ODO/TRIP switch pushed Below 1 V
      O3-8 (CHG-) - Body ground L - Body ground Charge warning light signal Engine switch on (IG), charge warning light off 11 to 14 V
      Engine switch on (IG), charge warning light on Below 1 V
      O3-9 (S) - Body ground LG - Body ground Oil pressure signal Idling 11 to 14 V
      Engine switch on (IG) Below 1 V
      O3-11 (VCM) - Body ground*3 SB - Body ground Vacuum warning switch signal Engine started, vacuum warning switch off (brake warning light off) 11 to 14 V
      Engine started, vacuum warning switch on (brake warning light on) Below 1 V
      O3-15 (OILW) - Body ground GR - Body ground Engine oil level signal Engine switch on (IG), engine oil level not low 11 to 14 V
      Engine switch on (IG), engine oil level low Below 1 V
      O3-16 (WLVL) - Body ground V - Body ground Washer fluid level signal Engine switch on (IG), washer fluid level not low 11 to 14 V
      Engine switch on (IG), washer fluid level low Below 1 V
      O3-17 (SW) - Body ground LG - Body ground Brake fluid level signal Engine switch on (IG), brake fluid level not low Below 1 V
      Engine switch on (IG), brake fluid level low 11 to 14 V
      O3-19 (+S) - Body ground L - Body ground Speed signal for other system (Output) Engine switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      O3-20 (SI) - Body ground V - Body ground Speed signal for other system (Input) Engine switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      O3-21 (IG+) - Body ground B - Body ground Engine switch signal Engine switch off Below 1 V
      Engine switch on (IG) 11 to 14 V
      O3-22 (B) - Body ground LG - Body ground Battery Always 11 to 14 V
      O3-25 (TR) - Body ground P - Body ground Trip switch signal Engine switch on (IG), up switch and down switch of trip switch not pushed 4 to 6 V
      Engine switch on (IG), up switch or down switch of trip switch pushed Below 1 V
      O3-26 (SW3) - Body ground W - Body ground Ground for trip switch Always Below 1 Ω
      O3-27 (FR) - O3-28 (FE) SB - GR Fuel level signal Engine switch on (IG), fuel level warning off Below 1 V
      Engine switch on (IG), fuel level warning on 4.5 to 9 V
      O3-29 (CANH) - Body ground LG - Body ground CAN communication line - -
      O3-30 (CANL) - Body ground B - Body ground CAN communication line - -
      O3-31 (ES) - Body ground BR - Body ground Ground Always Below 1 Ω
      O3-39 (ILL-) - Body ground BE - Body ground Illumination signal Headlight dimmer switch off Below 1 V
      Headlight dimmer switch in tail or head position Pulse generation
      O3-40 (EP) - Body ground BR - Body ground Ground Always Below 1 Ω
      O4-2 (MSCL) - Body ground P - Body ground Local bus communication line - -
      O4-3 (MSCH) - Body ground V - Body ground Local bus communication line - -
      O4-4 (ER) - Body ground P - Body ground RH turn indicator light signal (Input) Engine switch on (IG), RH turn signal switch off 11 to 14 V
      Engine switch on (IG), RH turn signal switch on Below 1 V
      O4-5 (EL) - Body ground GR - Body ground LH turn indicator light signal (Input) Engine switch on (IG), LH turn signal switch off 11 to 14 V
      Engine switch on (IG), LH turn signal switch on Below 1 V
      O4-7 (LR) - Body ground R - Body ground RH turn indicator light signal (Output) Engine switch on (IG), RH turn indicator light off Below 1 V
      Engine switch on (IG), RH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      O4-8 (B) - Body ground B - Body ground Battery Always 11 to 14 V
      O4-11 (HZSW) - Body ground W - Body ground Hazard warning signal switch signal (Input) Engine switch on (IG), hazard warning signal switch not pressed 11 to 14 V
      Engine switch on (IG), hazard warning signal switch pressed Below 1 V
      O4-12 (HAZM) - Body ground B - Body ground Hazard warning signal switch signal (Output) Engine switch on (IG), hazard warning signal switch not pressed 11 to 14 V
      Engine switch on (IG), hazard warning signal switch pressed Below 1 V
      O4-13 (LL) - Body ground G - Body ground LH turn indicator light signal (Output) Engine switch on (IG), LH turn indicator light off Below 1 V
      Engine switch on (IG), LH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      O130-1 (GVIF) - Body ground*1 B - Body ground Video signal (Digital) - -
      1. *1: w/ Navigation System
      2. *2: w/ Rear Seat Belt Warning
      3. *3: for 8AR-FTS
      1. Waveform 1 (Reference):
        GTY436923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Item Condition
        Tool setting 5 V/DIV., 20 ms./DIV.
        Vehicle condition Engine switch on (IG), wheel being rotated

        HINT: 

        When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.

scientia non olet · About LEMON Manuals