METER / GAUGE SYSTEM TERMINALS OF ECU

  1. COMBINATION METER ASSEMBLY

    E235640N05

    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

      G16-1 (RLMT) - Body ground*3

      B - Body ground

      Rear left seat belt warning indicator signal (Output)

      Power switch on (IG), Rear left seat belt warning indicator off

      Below 1 V

      Power switch on (IG), Rear left seat belt warning indicator on

      11 to 14 V

      G16-2 (ILL-) - Body ground

      LG - Body ground

      Ground

      Always

      Below 1 Ω

      G16-2 (RCMT) - Body ground*3

      G - Body ground

      Rear center seat belt warning indicator signal (Output)

      Power switch on (IG), Rear center seat belt warning indicator off

      Below 1 V

      Power switch on (IG), Rear center seat belt warning indicator on

      11 to 14 V

      G16-3 (RRMT) - Body ground*3

      L - Body ground

      Rear right seat belt warning indicator signal (Output)

      Power switch on (IG), Rear right seat belt warning indicator off

      Below 1 V

      Power switch on (IG), Rear right seat belt warning indicator on

      11 to 14 V

      G16-4 (EP) - Body ground*4

      BR - Body ground

      Ground

      Always

      Below 1 Ω

      G16-5 (SI) - Body ground

      V - Body ground

      Speed signal for other systems (Input)

      Driving at approximately 20 km/h (12 mph)

      Pulse generation

      (See waveform 1)

      G16-6 (+S) - Body ground

      P - Body ground

      Speed signal for other systems (Output)

      Driving at approximately 20 km/h (12 mph)

      Pulse generation

      (See waveform 1)

      G16-7 (P/SB) - Body ground

      L - Body ground

      Passenger side seat belt signal

      Power switch on (IG), Passenger side seat belt buckle switch off or passenger seat occupant switch off

      11 to 14 V

      Power switch on (IG), Passenger side seat belt buckle switch on and passenger seat occupant switch on

      Below 1 V

      G16-9 (S) - Body ground

      L - Body ground

      Engine oil pressure switch signal

      Power switch on (IG), engine oil pressure switch off

      11 to 14 V

      Power switch on (IG), engine oil pressure switch on

      Below 1 V

      G16-10 (WLVL) - Body ground

      LG - Body ground

      Level warning switch signal

      Power switch on (IG), washer level indicator light off

      11 to 14 V

      Power switch on (IG), washer level indicator light on

      Below 1 V

      G16-15 (E) - Body ground

      GR - Body ground

      Fuel sender gauge ground

      Always

      Below 1 Ω

      G16-16 (L) - Body ground

      SB - Body ground

      Fuel sender gauge signal

      Fuel level F

      Below 1 V

      Fuel level E

      4.5 to 9 V

      G16-17 (TC) - Body ground

      G - Body ground

      Tail cancel switch signal

      Tail cancel switch off

      1 MΩ or higher

      Tail cancel switch on

      Below 1 Ω

      G16-18 (MSTI) - Body ground

      BE - Body ground

      Steering pad switch assembly signal

      Power switch on (IG), Left, Up, Down and Right switches on steering pad switch assembly not pushed

      4.8 to 5.2 V

      Power switch on (IG), Left switch on steering pad switch assembly pushed

      0 to 0.52 V

      Power switch on (IG), Up switch on steering pad switch assembly pushed

      1.14 to 2.1 V

      Power switch on (IG), Down switch on steering pad switch assembly pushed

      2.54 to 3.66 V

      Power switch on (IG), Right switch on steering pad switch assembly pushed

      3.76 to 4.37 V

      G16-21 (ET) - Body ground

      BR - Body ground

      Ground

      Always

      Below 1 Ω

      G16-22 (MSCL) - Body ground

      SB - Body ground

      CAN communication line

      -

      -

      G16-23 (MSCH) - Body ground

      V - Body ground

      CAN communication line

      -

      -

      G16-24 (RLSB) - Body ground*3

      G - Body ground

      Rear right seat belt buckle switch signal

      Power switch on (IG), Rear right seat belt buckle switch off

      11 to 14 V

      Power switch on (IG), Rear right seat belt buckle switch on

      Below 1 V

      G16-25 (RCSB) - Body ground*3

      B - Body ground

      Rear center seat belt buckle switch signal

      Power switch on (IG), Rear center seat belt buckle switch off

      11 to 14 V

      Power switch on (IG), Rear center seat belt buckle switch on

      Below 1 V

      G16-26 (RRSB) - Body ground*3

      W - Body ground

      Rear right seat belt buckle switch signal

      Power switch on (IG), Rear right seat belt buckle switch off

      11 to 14 V

      Power switch on (IG), Rear right seat belt buckle switch on

      Below 1 V

      G16-28 (MSM+) - Body ground

      L - Body ground

      Steering pad switch assembly signal

      Power switch on (IG), Enter, Trip and Back switches on steering pad switch assembly not pushed

      4.8 to 5.2 V

      Power switch on (IG), Enter switch on steering pad switch assembly pushed

      0 to 0.52 V

      Power switch on (IG), Trip switch on steering pad switch assembly pushed

      1.14 to 2.1 V

      Power switch on (IG), Back switch on steering pad switch assembly pushed

      2.54 to 3.66 V

      G16-29 (HAZ) - Body ground

      BE - Body ground

      Turn signal switch (full turn) signal

      Power switch on (IG), turn signal switch (full turn) off

      4.4 to 5.6 V

      Power switch on (IG), turn signal switch (full turn) on

      Below 1 V

      G16-31 (CANL) - Body ground

      W - Body ground

      CAN communication line

      -

      -

      G16-32 (CANH) - Body ground

      G - Body ground

      CAN communication line

      -

      -

      G16-33 (SW3) - Body ground

      P - Body ground

      Ground

      Always

      Below 1 Ω

      G16-34 (TX1-) - Body ground

      W - Body ground

      Thermistor signal ground

      Always

      Below 1 V

      G16-35 (TX1+) - Body ground

      G - Body ground

      Thermistor signal

      Power switch on (IG)

      4.4 to 5.6 V

      G16-36 (SW2) - Body ground

      GR - Body ground

      Light control rheostat signal

      Power switch on (IG), light control rheostat position (min.)

      Below 1 V

      Power switch on (IG), light control rheostat position (max.)

      4 to 6 V

      G16-37 (SW1) - Body ground

      V - Body ground

      Light control rheostat signal

      Always

      4 to 6 V

      G16-39 (IG+) - Body ground

      B - Body ground

      Ignition switch signal

      Power switch off

      Below 1 V

      power switch on (IG)

      11 to 14 V

      G16-40 (B) - Body ground

      Y - Body ground

      Battery

      Always

      11 to 14 V

      G17-1 (B) - Body ground

      L - Body ground

      Battery

      Always

      11 to 14 V

      G17-3 (HAZ) - Body ground

      GR - Body ground

      Hazard warning switch signal

      Power switch on (IG), hazard warning switch not pressed

      11 to 14 V

      Power switch on (IG), hazard warning switch pressed

      Below 1 V

      G17-4 (LVWG) - Body ground*5

      LG - Body ground

      Automatic High Beam indicator light

      Power switch on (IG), Headlight beam level control system indicator light off

      11 to 14 V

      Power switch on (IG), Headlight beam level control system indicator light on

      Below 1 V

      G17-7 (LR) - Body ground

      L - Body ground

      Turn signal light (RH) signal

      Power switch on (IG), turn signal light (RH) off

      Below 1 V

      Power switch on (IG), turn signal light (RH) on

      11 to 14 V

      G17-9 (ER) - Body ground

      SB - Body ground

      Turn signal switch (RH) signal

      Power switch on (IG), turn signal switch (RH) off

      11 to 14 V

      Power switch on (IG), turn signal switch (RH) on

      Below 1 V

      G17-10 (EL) - Body ground

      LG - Body ground

      Turn signal switch (LH) signal

      Power switch on (IG), turn signal switch (LH) off

      11 to 14 V

      Power switch on (IG), turn signal switch (LH) on

      Below 1 V

      G17-13 (LL) - Body ground

      Y - Body ground

      Turn signal light (LH) signal

      Power switch on (IG), turn signal light (LH) off

      Below 1 V

      Power switch on (IG), turn signal light (LH) on

      11 to 14 V

      • *1: w/ Front Fog Light

      • *2: for Halogen Head Light

      • *3: w/ Rear Seat Belt Warning

      • *4: w/ Canister Pump Module

      • *5: w/ Automatic Headlight Beam Level Control System

    2. E251775N01

      Using an oscilloscope, check waveform 1.

      Table 1. Waveform 1 (Reference)

      Item

      Condition

      Tester Connection

      G16-5 (SI) - Body ground

      G16-6 (+S) - Body ground

      Tool Setting

      5 V/DIV., 20 ms./DIV.

      Vehicle Condition

      Driving at approximately 20 km/h (12 mph)
      Tip:

      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.