METER / GAUGE SYSTEM TERMINALS OF ECU


  1. COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE)

    B004P2MN01

    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
      F6-1 (MSM+) - Body ground LG - Body ground Steering pad switch assembly signal Power switch on (IG), enter, back and trip switches on steering pad switch assembly not pushed 4.8 to 5.2 V
      F6-2 (MSTI) - Body ground L - Body ground Steering pad switch assembly signal Power switch on (IG), up, down, right and left switches on steering pad switch assembly not pushed 4.8 to 5.2 V
      F6-6 (INT) - Body ground*2 LG - Body ground Tire pressure warning reset switch signal

      • Power 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

      • Power switch on (IG)

      • "ENTER" switch (steering pad switch assembly) off

      		 8 to 15 V
      F6-8 (S) - Body ground GR - Body ground Oil pressure signal Engine started 11 to 14 V
      Engine not started Below 1 V
      F6-9 (E3) - Body ground*10 W-B - Body ground Ground Always Below 1 V
      F6-10 (RRSB) - Body ground*3 P - Body ground Rear seat belt buckle switch RH signal Power switch on (IG), rear seat belt RH unfastened Below 1 V
      Power switch on (IG), rear seat belt RH fastened 11 to 14 V
      F6-11 (RCSB) - Body ground*3 R - Body ground Rear seat belt buckle switch center signal Power switch on (IG), rear seat belt center unfastened Below 1 V
      Power switch on (IG), rear seat belt center fastened 11 to 14 V
      F6-12 (RLSB) - Body ground*3 GR - Body ground Rear seat belt buckle switch LH signal Power switch on (IG), rear seat belt LH unfastened Below 1 V
      Power switch on (IG), rear seat belt LH fastened 11 to 14 V
      F6-13 (PODS) - Body ground*1 G - Body ground Occupant detection sensor signal Power switch on (IG), front passenger seat not occupied Below 1 V
      Power switch on (IG), front passenger seat occupied 11 to 14 V
      F6-14 (PBKL) - Body ground*1 L - Body ground Front passenger seat belt buckle switch signal Power switch on (IG), front passenger seat belt unfastened Below 1 V
      Power switch on (IG), front passenger seat belt fastened 11 to 14 V
      F6-15 (OIL) - Body ground P - Body ground Engine oil level signal Power switch on (IG), engine oil level not low 11 to 14 V
      Power switch on (IG), engine oil level low Below 1 V
      F6-16 (WLVL) - Body ground BE - Body ground Washer fluid level signal Power switch on (IG), washer fluid level not low 11 to 14 V
      Power switch on (IG), washer fluid level low Below 1 V
      F6-19 (+S) - Body ground B - Body ground Speed signal for other system (Output) Power switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      F6-20 (SI) - Body ground LG - Body ground Speed signal for other system (Input) Power switch on (IG), wheel being rotated Pulse generation (See waveform 1)
      F6-21 (IG+) - Body ground G - Body ground Power switch signal Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      F6-22 (B) - Body ground W*5 or GR*6 - Body ground Auxiliary battery Power switch off 11 to 14 V
      F6-23 (TWS3) - F6-3 (E2)*4 SB - Body ground Engine coolant temperature sensor signal Power switch on (IG), engine coolant temperature below 113°C (235°F) 0.2 to 4.8 V
      Power switch on (IG), engine coolant temperature 120°C (248°F) or more Below 0.15 V
      F6-24 (TR) - Body ground*5 L - Body ground Light control rheostat switch signal Power switch on (IG), up switch and down switch of combination switch assembly not pushed 4.6 to 5.3 V
      Power switch on (IG), up switch of combination switch assembly pushed Below 1 V
      Power switch on (IG), down switch of combination switch assembly pushed 2 to 3.6 V
      F6-26 (CANH) - Body ground V - Body ground CAN communication line - -
      F6-27 (CANL) - Body ground W - Body ground CAN communication line - -
      F6-28 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω
      F6-29 (FR) - F6-30 (FE&B) L - BE Fuel level signal Power switch on (IG), fuel level full 4.1 to 4.4 V
      Power switch on (IG), fuel level low (fuel level warning light on) Below 1 V
      F6-31 (FV) - Body ground V - Body ground Fuel sender gauge (Power source) Power switch on (IG) 4.5 to 5.5 V
      F6-33 (MSCH) - Body ground*7 B - Body ground Local bus communication line - -
      F6-34 (MSCL) - Body ground*7 W - Body ground Local bus communication line - -
      F6-37 (LST1) - Body ground*8 R - Body ground Fuel lid operation signal "Please Wait Now Opening" displayed on multi-information display Pulse generation (See waveform 2)
      "Close Fuel Lid" displayed on multi-information display Pulse generation (See waveform 3)
      "Refuel Ready" displayed on multi-information display Pulse generation (See waveform 4)
      Power switch on (IG) 11 to 14 V
      F6-39 (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
      F6-40 (EP) - Body ground W-B - Body ground Ground Always Below 1 Ω
      F7-1 (B) - Body ground G - Body ground Auxiliary battery Power switch off 11 to 14 V
      F7-2 (LP) - Body ground R - Body ground Security warning signal Security warning off 11 to 14 V
      Security warning blinking Below 1 V ←→ 11 to 14 V
      F7-3 (PAON) - Body ground*9 W - Body ground Passenger airbag ON indicator light Power switch on (IG), passenger airbag on indicator light on Below 1 V
      Power switch on (IG), passenger airbag on indicator light off 11 to 14 V
      F7-4 (P-AB) - Body ground*9 B - Body ground Passenger airbag OFF indicator light Power switch on (IG), passenger airbag off indicator light on Below 1 V
      Power switch on (IG), passenger airbag off indicator light off 11 to 14 V
      F7-5 (ER) - Body ground GR - Body ground RH turn signal switch signal Power switch on (IG), RH turn signal switch off 11 to 14 V
      Power switch on (IG), RH turn signal switch on Below 1 V
      F7-7 (TRNR) - Body ground SB - Body ground Turn signal light LH signal Power switch on (IG), LH turn indicator light off Below 1 V
      Power switch on (IG), LH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      F7-9 (SW) - Body ground BE - Body ground Turn signal switch signal Power switch on (IG), LH and RH turn signal switch off 11 to 14 V
      Power switch on (IG), LH or RH turn signal switch on Below 1 V
      F7-10 (HAZ) - Body ground L - Body ground Hazard warning signal switch signal Power switch on (IG), hazard warning signal switch not pressed 11 to 14 V
      Power switch on (IG), hazard warning signal switch pressed Below 1 V
      F7-11 (EL) - Body ground W - Body ground LH turn signal switch signal Power switch on (IG), LH turn signal switch off 11 to 14 V
      Power switch on (IG), LH turn signal switch on Below 1 V
      F7-13 (TRNL) - Body ground BE - Body ground Turn signal light RH signal Power switch on (IG), RH turn indicator light off Below 1 V
      Power switch on (IG), RH turn indicator light blinking 11 to 14 V ←→ Below 1 V

      • *1: w/o Occupant Classification System

      • *2: w/ Tire Pressure Warning System

      • *3: w/ Rear Seat Belt Warning

      • *4: w/ Exhaust Heat Recirculation System

      • *5: for LHD

      • *6: for RHD

      • *7: for Navigation Receiver Type or Radio and Display Type

      • *8: w/ Canister Pump Module

      • *9: w/ Passenger Airbag ON/OFF Indicator Light

      • *10: w/o Exhaust Heat Recirculation System


      1. B004OI1N02

        Waveform 1 (Reference):

        Item Condition
        Tool setting 5 V/DIV., 20 ms./DIV.
        Vehicle condition Power 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. B004PV7E02
        *a 5 V/DIV.
        *b 20 ms./DIV.

        Waveform 2:

        Item Condition
        Tester Range 5 V/DIV., 20 ms./DIV.
        Condition "Please Wait Now Opening" displayed on multi-information display
      3. B004QRPE01
        *a 5 V/DIV.
        *b 20 ms./DIV.

        Waveform 3:

        Item Condition
        Tester Range 5 V/DIV., 20 ms./DIV.
        Condition "Close Fuel Lid" displayed on multi-information display
      4. B004P71E01
        *a 5 V/DIV.
        *b 20 ms./DIV.

        Waveform 4:

        Item Condition
        Tester Range 5 V/DIV., 20 ms./DIV.
        Condition "Refuel Ready" displayed on multi-information display