METER / GAUGE SYSTEM TERMINALS OF ECU


  1. COMBINATION METER ASSEMBLY

    B007Y95N27

    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
      J10-2 (MSM+) - Body ground Y - Body ground Steering pad switch assembly signal Engine switch on (IG), enter, back and top switches on steering pad switch assembly not pushed 4.3 to 6 V
      Engine switch on (IG), enter switch on steering pad switch assembly pushed Below 0.6 V
      Engine switch on (IG), back switch on steering pad switch assembly pushed 2.3 to 3.2 V
      Engine switch on (IG), top switch on steering pad switch assembly pushed 1 to 2 V
      J10-3 (MSTI) - Body ground LG - Body ground Steering pad switch assembly signal Engine switch on (IG), up, down, right and left switches on steering pad switch assembly not pushed 4.3 to 6 V
      Engine switch on (IG), up switch on steering pad switch assembly pushed 1 to 2 V
      Engine switch on (IG), down switch on steering pad switch assembly pushed 2.3 to 3.2 V
      Engine switch on (IG), right switch on steering pad switch assembly pushed 3.4 to 4.1 V
      Engine switch on (IG), left switch on steering pad switch assembly pushed Below 0.6 V
      J10-4 (ODO) - Body ground W - 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
      J10-5 (EPB) - Body ground R - Body ground Electric parking brake signal 20 seconds after engine switch turned off 9 to 14 V
      J10-6 (RRBT) - Body ground*3, *8 W - Body ground Rear No. 2 seat belt buckle switch RH signal Engine switch on (IG), rear No. 2 seat belt RH unfastened Below 1 V
      Engine switch on (IG), rear No. 2 seat belt RH fastened 11 to 14 V
      J10-7 (PODS) - Body ground*1 LG*7 or L*4 - Body ground Occupant detection sensor signal Engine switch on (IG), front passenger seat not occupied Below 1 V
      Engine switch on (IG), front passenger seat occupied 11 to 14 V
      J10-8 (RLBT) - Body ground*3, *8 R - Body ground Rear No. 2 seat belt buckle switch LH signal Engine switch on (IG), rear No. 2 seat belt LH unfastened Below 1 V
      Engine switch on (IG), rear No. 2 seat belt LH fastened 11 to 14 V
      J10-9 (S) - Body ground*2 V - Body ground Engine oil pressure signal Engine started 11 to 14 V
      Engine not started Below 1 V
      J10-12 (RRSB) - Body ground*3 W - Body ground Rear seat belt warning light RH signal Engine switch on (IG), rear seat belt warning light RH off 11 to 14 V
      Engine switch on (IG), rear seat belt warning light RH on Below 1 V
      J10-13 (RCSB) - Body ground*3 B - Body ground Rear seat belt warning light center signal Engine switch on (IG), rear seat belt warning light center off 11 to 14 V
      Engine switch on (IG), rear seat belt warning light center on Below 1 V
      J10-14 (RLSB) - Body ground*3 R - Body ground Rear seat belt warning light LH signal Engine switch on (IG), rear seat belt warning light LH off 11 to 14 V
      Engine switch on (IG), rear seat belt warning light LH on Below 1 V
      J10-15 (OILW) - Body ground SB - 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
      J10-16 (WLVL) - Body ground L - 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
      J10-17 (SW) - Body ground LG - Body ground Brake fluid level signal Engine switch on (IG), brake fluid level not low (brake warning light / red (malfunction) off) 11 to 14 V
      Engine switch on (IG), brake fluid level low (brake warning light / red (malfunction) on) Below 1 V
      J10-18 (FV) - Body ground*2 R - Body ground Fuel sender gauge (Power source) Engine switch on (IG) 4.5 to 5.5 V
      J10-19 (+S) - Body ground V - Body ground Speed signal for other system (Output) Engine switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      J10-20 (SI) - Body ground P - Body ground Speed signal for other system (Input) Engine switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      J10-21 (IG+) - Body ground GR - Body ground Engine switch signal Engine switch off Below 1 V
      Engine switch on (IG) 11 to 14 V
      J10-22 (B) - Body ground G - Body ground Battery Always 11 to 14 V
      J10-23 (IND) - Body ground*2 B - Body ground Vacuum warning switch signal Engine started, vacuum warning switch off (brake warning light / red (malfunction) off) 11 to 14 V
      Engine started, vacuum warning switch on (brake warning light / red (malfunction) on) Below 1 V
      J10-25 (TR) - Body ground BE - Body ground Light control rheostat 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
      J10-26 (SW3) - Body ground V - Body ground Ground for trip switch Always Below 1 Ω
      J10-27 (FR) - J10-28 (FE) P - G Fuel level signal Engine switch on (IG), fuel level full → low (fuel level warning light on) Pulse generation (See waveform 2)
      J10-29 (CANH) GR CAN communication line - -
      J10-30 (CANL) W CAN communication line - -
      J10-31 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J10-32 (L) - Body ground*3, *8 L - Body ground Rear seat belt warning light (rear No. 2 seat LH) output signal Engine switch on (IG), rear seat belt warning light (rear No. 2 seat LH) off 11 to 14 V
      Engine switch on (IG), rear seat belt warning light (rear No. 2 seat LH) on Below 1 V
      J10-33 (SW) - Body ground*3, *8 R - Body ground Rear seat belt warning light (rear No. 2 seat RH) output signal Engine switch on (IG), rear seat belt warning light (rear No. 2 seat RH) off 11 to 14 V
      Engine switch on (IG), rear seat belt warning light (rear No. 2 seat RH) on Below 1 V
      J10-35 (RLMT) - Body ground*3 Y - Body ground Rear seat belt buckle switch LH signal Engine switch on (IG), rear seat belt LH unfastened Below 1 V
      Engine switch on (IG), rear seat belt LH fastened 11 to 14 V
      J10-36 (RCMT) - Body ground*3 W - Body ground Rear seat belt buckle switch center signal Engine switch on (IG), rear seat belt center unfastened Below 1 V
      Engine switch on (IG), rear seat belt center fastened 11 to 14 V
      J10-37 (RRMT) - Body ground*3 B - Body ground Rear seat belt buckle switch RH signal Engine switch on (IG), rear seat belt RH unfastened Below 1 V
      Engine switch on (IG), rear seat belt RH fastened 11 to 14 V
      J10-38 (IL2-) - Body ground G - Body ground Illumination signal Headlight dimmer switch off Below 1 V
      Headlight dimmer switch in tail or head position Pulse generation
      J10-39 (ILL-) - Body ground L - Body ground Illumination signal Headlight dimmer switch off Below 1 V
      Headlight dimmer switch in tail or head position Pulse generation
      J10-40 (EP) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J11-1 (B) - Body ground Y - Body ground Battery Always 11 to 14 V
      J11-2 (HZSW) - Body ground GR - Body ground Hazard warning signal switch signal (Input) Hazard warning signal switch not pressed 11 to 14 V
      Hazard warning signal switch pressed Below 1 V
      J11-3 (ER) - Body ground SB - Body ground RH turn signal switch signal 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
      J11-4 (EL) - Body ground BE - Body ground LH turn signal switch signal 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
      J11-5 (TRNR) - Body ground V - Body ground Rear turn signal light LH signal 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
      J11-6 (INT) - Body ground*5 L - Body ground Tire pressure warning ECU and receiver signal Engine switch on (IG) 8 to 15 V
      Engine switch on (IG), steering pad switch assembly operated, "TPMS" selected on the multi-information display and "ENTER" switch (steering pad switch assembly) pressed and held Below 1.5 V
      J11-7 (LR) - Body ground W*7 or Y*4 - Body ground Front and side turn signal light RH signal 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
      J11-8 (SW) - Body ground B - Body ground Turn signal switch signal Engine switch on (IG), LH and RH turn signal switch off 11 to 14 V
      Engine switch on (IG), LH or RH turn signal switch on Below 1 V
      J11-9 (TX-) W Local bus communication line - -
      J11-10 (TX+) LG Local bus communication line - -
      J11-11 (TRNL) - Body ground G - Body ground Rear turn signal light RH signal 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
      J11-12 (HAZM) - Body ground P - Body ground Hazard warning signal switch signal (Output) Hazard warning signal switch not pressed 11 to 14 V
      Hazard warning signal switch pressed Below 1 V
      J11-13 (LL) - Body ground R*7 or B*4 - Body ground Front and side turn signal light LH signal 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
      J127-1 (GVIF)*6 B Video signal (Digital) - -

      • *1: w/o Occupant Classification System

      • *2: for 2GR-FKS and 8AR-FTS (for Rear Air Fuel Ratio Sensor)

      • *3: w/ Rear Seat Belt Warning

      • *4: for RHD

      • *5: w/ Tire Pressure Warning System

      • *6: w/ Navigation System

      • *7: for LHD

      • *8: w/ Rear No. 2 Seat


      1. B007XCPN02

        Waveform 1 (Reference):

        Item Condition
        Tool setting 5 V/DIV., 20 ms./DIV.
        Vehicle condition Engine switch on (IG), wheel being rotated

        Tech Tips

        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.

      2. B007ZJAN01

        Waveform 2 (Reference):

        Item Condition
        Tool setting 5 V/DIV., 20 ms./DIV.
        Vehicle condition Engine switch on (IG), fuel level full → low

        Tech Tips


        • (A) will depending on the fuel level

        • Fuel level full → low (below 1 V → 4.5 to 9 V)*1

        • Fuel level full → low (4.1 to 4.6 V → 0.3 to 1 V)*2


          • *1: for 8AR-FTS (for Rear Heated Oxygen Sensor)

          • *2: for 2GR-FKS and 8AR-FTS (for Rear Air Fuel Ratio Sensor)