METER / GAUGE SYSTEM TERMINALS OF ECU


  1. COMBINATION METER ASSEMBLY (for TFT Display Type)

    B001EQ9N01

    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
      G304-1 (SW3) - Body ground LG - Body ground Light control rheostat ground Always Below 1 V
      G304-2 (FE) - Body ground W - Body ground Sub fuel sender gauge ground Always Below 1 Ω
      G304-3 (FE&B) - Body ground W - Body ground Main fuel sender gauge ground Always Below 1 Ω
      G304-7 (HZSW) - Body ground BR - Body ground Hazard warning switch signal Hazard warning switch off 11 to 14 V
      Hazard warning switch on Below 1 V
      G304-8 (ED) - Body ground W-B - Body ground Vehicle type for 3 door Below 1 V
      for 5 door 4.6 to 5.4 V
      G304-9 (S) - Body ground*1 R - Body ground Fuel sedimenter warning switch signal Ignition switch ON, fuel sedimenter warning switch on Below 1 V
      Ignition switch ON, fuel sedimenter warning switch off 11 to 14 V
      G304-10 (FFTR) - Body ground*1 V - Body ground Fuel filter warning switch signal Ignition switch ON, fuel filter warning switch on Below 1 V
      Ignition switch ON, fuel filter warning switch off 11 to 14 V
      G304-11 (PBKL) - Body ground L - Body ground Passenger side seat belt buckle switch Ignition switch ON, sit on the front passenger seat, and front passenger side seat belt unfastened 11 to 14 V
      Ignition switch ON, sit on the front passenger seat, and front passenger side seat belt fastened Below 1 V
      G304-13 (ET) - Body ground G - Body ground Ground Always Below 1 Ω
      G304-14 (RSET) - Body ground P - Body ground ODO/TRIP switch signal Ignition switch ON, ODO/TRIP switch on (Pushed) Below 1 Ω
      Ignition switch ON, ODO/TRIP switch off (Not pushed) 1 MΩ or higher
      G304-15 (BLP) - Body ground*2 R - Body ground Back-up light switch signal Ignition switch ON, back-up light switch on 11 to 14 V
      G304-16 (SW) - Body ground*3 P - Body ground Fluid level warning switch signal Ignition switch ON, fluid level warning switch on Below 1 V
      Ignition switch ON, fluid level warning switch off 11 to 14 V
      G304-17 (+S) - Body ground R - Body ground Speed signal for other systems (Output) Ignition switch ON, front wheel turns slowly

      Pulse generation

      (See waveform 1)
      G304-18 (SI) - Body ground V - Body ground Speed signal for other systems (Input) Ignition switch ON, front wheel turns slowly

      Pulse generation

      (See waveform 1)
      G304-20 (E2) - Body ground BR - Body ground Signal ground Always Below 1 V
      G304-21 (B) - Body ground L - Body ground Battery Always 11 to 14 V
      G304-22 (IG+) - Body ground R - Body ground Ignition switch signal Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G304-24 (FV) - Body ground B - Body ground

      Main fuel sender gauge

      (Power source)

      		 Always 4.5 to 5.5 V
      G304-25 (L) - Body ground B - Body ground

      Sub fuel sender gauge

      (Power source)

      		 Always 4.5 to 5.5 V
      G304-26 (FR) - G304-2 (FE) P - W

      Fuel level signal

      (Sub fuel sender gauge)

      		 Ignition switch ON, fuel level full Below 1 V

      Ignition switch ON, fuel level low

      (fuel level warning light on)

      		 4.5 to 5.5 V
      G304-27 (FR) - G304-3 (FE&B) V - W

      Fuel level signal

      (Main fuel sender gauge)

      		 Ignition switch ON, fuel level full Below 1 V

      Ignition switch ON, fuel level low

      (fuel level warning light on)

      		 4.5 to 5.5 V
      G304-29 (OIL) - Body ground*4 G - Body ground Oil level sensor signal Ignition switch ON, oil level warning light comes on Below 1 V
      Ignition switch ON, oil level warning light off 11 to 14 V
      G304-30 (WLVL) - Body ground*5 W - Body ground Washer level warning signal Ignition switch ON, level warning switch on Below 1 V
      Ignition switch ON, level warning switch off 11 to 14 V
      G304-31 (MSM+) - Body ground W - Body ground Steering pad switch signal Ignition switch ON, enter, top and back switches on steering pad switch not pushed 4.3 to 5.2 V
      Ignition switch ON, enter switch on steering pad switch pushed Below 0.6 V
      Ignition switch ON, top switch on steering pad switch pushed 1.0 to 2.2 V
      Ignition switch ON, back switch on steering pad switch pushed 2.3 to 3.4 V
      G304-32 (MSTI) - Body ground L - Body ground Steering pad switch signal Ignition switch ON, up, down, right and left switches on steering pad switch assembly not pushed 4.3 to 5.2 V
      Ignition switch ON, left switch on steering pad switch pushed Below 0.6 V
      Ignition switch ON, up switch on steering pad switch pushed 1.0 to 2.2 V
      Ignition switch ON, down switch on steering pad switch pushed 2.3 to 3.4 V
      Ignition switch ON, right switch on steering pad switch pushed 3.4 to 4.5 V
      G304-33 (SW1) - Body ground B - Body ground Power source for light control rheostat Ignition switch ON 4.6 to 5.4 V
      G304-34 (SW2) - Body ground GR - Body ground Light control rheostat signal Light control rheostat fully turned right Below 1 Ω
      Light control rheostat fully turned left 8 to 12 kΩ
      G304-35 (TC) - Body ground W - Body ground TAIL cancel switch signal TAIL cancel switch on Below 1 Ω
      TAIL cancel switch off 1 MΩ or higher
      G304-37 (MSCL) - Body ground*6 W - Body ground Local bus communication line - -
      G304-38 (MSCH) - Body ground*6 G - Body ground Local bus communication line - -
      G304-39 (CANL) - Body ground W - Body ground CAN communication signal Ignition switch off 200 Ω or higher
      G304-40 (CANH) - Body ground V - Body ground CAN communication signal Ignition switch off 200 Ω or higher
      G195-1 (B) - Body ground P - Body ground Battery Always 11 to 14 V
      G195-2 (CHG-) - Body ground*7 P - Body ground Charge warning light signal Ignition switch ON, charge warning light on Below 1 V
      Ignition switch ON, charge warning light off 11 to 14 V
      G195-3 (L) - Body ground R - Body ground Headlight dimmer switch (turn switch) signal Headlight dimmer switch (turn switch) off 11 to 14 V
      Headlight dimmer switch (turn switch) turned left or right full turn position Below 1 V
      G195-4 (ER) - Body ground P - Body ground Headlight dimmer switch (turn switch) signal Headlight dimmer switch (turn switch) off 11 to 14 V
      Headlight dimmer switch (turn switch) turned right position Below 1 V
      G195-5 (EL) - Body ground G - Body ground Headlight dimmer switch (turn switch) signal Headlight dimmer switch (turn switch) off 11 to 14 V
      Headlight dimmer switch (turn switch) turned left position Below 1 V
      G195-6 (S) - Body ground V - Body ground Oil pressure switch signal Ignition switch ON, oil pressure warning light on Below 1 V
      Ignition switch ON, oil pressure warning light off 11 to 14 V
      G195-8 (LL) - Body ground V - Body ground Turn signal light LH signal Ignition switch ON, LH turn indicator light off Below 1 V
      Ignition switch ON, LH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      G195-13 (LR) - Body ground G - Body ground Turn signal light RH signal Ignition switch ON, RH turn indicator light off Below 1 V
      Ignition switch ON, RH turn indicator light blinking 11 to 14 V ←→ Below 1 V

      • *1: for Diesei Engine

      • *2: for Manual Transmission

      • *3: for 2TR-FE

      • *4: except 2TR-FE

      • *5: w/ Washer Fluid Level Warning System

      • *6: w/ Navigation System or Audio and Visual System (for Radio and Dosplay Type)

      • *7: for 1GD-FTV, 1GR-FE

    2. B001G6PE01

      Using an oscilloscope, check waveform 1.

      Waveform (Reference)
      Item Condition
      Tester Connection

      • G304-17 (+S) - Body ground

      • G304-18 (SI) - Body ground
      Tool Setting 5 V/DIV., 20 ms./DIV.
      Vehicle Condition Driving at approximately 20 km/h (12 mph)

      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. COMBINATION METER ASSEMBLY (for Segment Display Type [except 5L-E])

    B001EQ9N01

    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
      G304-1 (SW3) - Body ground LG - Body ground Light control rheostat ground Always Below 1 V
      G304-2 (FE) - Body ground*1 W - Body ground Sub fuel sender gauge ground Always Below 1 Ω
      G304-3 (FE&B) - Body ground W - Body ground Main fuel sender gauge ground Always Below 1 Ω
      G304-7 (HZSW) - Body ground BR - Body ground Hazard warning switch signal Hazard warning switch off 11 to 14 V
      Hazard warning switch on Below 1 V
      G304-9 (S) - Body ground*2 R - Body ground Fuel sedimenter warning switch signal Ignition switch ON, fuel sedimenter warning switch on Below 1 V
      Ignition switch ON, fuel sedimenter warning switch off 11 to 14 V
      G304-10 (FFTR) - Body ground*2 V - Body ground Fuel filter warning switch signal Ignition switch ON, fuel filter warning switch on Below 1 V
      Ignition switch ON, fuel filter warning switch off 11 to 14 V
      G304-11 (PBKL) - Body ground L - Body ground Passenger side seat belt buckle switch Ignition switch ON, sit on the front passenger seat, and front passenger side seat belt unfastened 11 to 14 V
      Ignition switch ON, sit on the front passenger seat, and front passenger side seat belt fastened Below 1 V
      G304-13 (ET) - Body ground G - Body ground Ground Always Below 1 Ω
      G304-14 (RSET) - Body ground P - Body ground ODO/TRIP switch signal Ignition switch ON, ODO/TRIP switch on (Pushed) Below 1 Ω
      Ignition switch ON, ODO/TRIP switch off (Not pushed) 1 MΩ or higher
      G304-15 (BLP) - Body ground*3 R - Body ground Back-up light switch signal Ignition switch ON, back-up light switch on 11 to 14 V
      G304-16 (SW) - Body ground*4 P - Body ground Fluid level warning switch signal Ignition switch ON, fluid level warning switch on Below 1 V
      Ignition switch ON, fluid level warning switch off 11 to 14 V
      G304-17 (+S) - Body ground R - Body ground Speed signal for other systems (Output) Ignition switch ON, front wheel turns slowly

      Pulse generation

      (See waveform 1)
      G304-18 (SI) - Body ground V - Body ground Speed signal for other systems (Input) Ignition switch ON, front wheel turns slowly

      Pulse generation

      (See waveform 1)
      G304-20 (E2) - Body ground BR - Body ground Signal ground Always Below 1 V
      G304-21 (B) - Body ground L - Body ground Battery Always 11 to 14 V
      G304-22 (IG+) - Body ground R - Body ground Ignition switch signal Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G304-24 (FV) - Body ground B - Body ground

      Main fuel sender gauge

      (Power source)

      		 Always 4.5 to 5.5 V
      G304-25 (L) - Body ground*1 B - Body ground

      Sub fuel sender gauge

      (Power source)

      		 Always 4.5 to 5.5 V
      G304-26 (FR) - G304-2 (FE)*1 P - W

      Fuel level signal

      (Sub fuel sender gauge)

      		 Ignition switch ON, fuel level full Below 1 V

      Ignition switch ON, fuel level low

      (fuel level warning light on)

      		 4.5 to 5.5 V
      G304-27 (FR) - G304-3 (FE&B) V - W

      Fuel level signal

      (Main fuel sender gauge)

      		 Ignition switch ON, fuel level full Below 1 V

      Ignition switch ON, fuel level low

      (fuel level warning light on)

      		 4.5 to 5.5 V
      G304-29 (OIL) - Body ground G - Body ground Oil level sensor signal Ignition switch ON, oil level warning light comes on Below 1 V
      Ignition switch ON, oil level warning light off 11 to 14 V
      G304-30 (WLVL) - Body ground*5 W - Body ground Washer level warning signal Ignition switch ON, level warning switch on Below 1 V
      Ignition switch ON, level warning switch off 11 to 14 V
      G304-33 (SW1) - Body ground B - Body ground Power source for light control rheostat Ignition switch ON 4.6 to 5.4 V
      G304-34 (SW2) - Body ground GR - Body ground Light control rheostat signal Light control rheostat fully turned right Below 1 Ω
      Light control rheostat fully turned left 8 to 12 kΩ
      G304-39 (CANL) - Body ground W - Body ground CAN communication signal Ignition switch off 200 Ω or higher
      G304-40 (CANH) - Body ground V - Body ground CAN communication signal Ignition switch off 200 Ω or higher
      G195-1 (B) - Body ground P - Body ground Battery Always 11 to 14 V
      G195-2 (CHG-) - Body ground*6 P - Body ground Charge warning light signal Ignition switch ON, charge warning light on Below 1 V
      Ignition switch ON, charge warning light off 11 to 14 V
      G195-3 (L) - Body ground R - Body ground Headlight dimmer switch (turn switch) signal Headlight dimmer switch (turn switch) off 11 to 14 V
      Headlight dimmer switch (turn switch) turned left or right full turn position Below 1 V
      G195-4 (ER) - Body ground P - Body ground Headlight dimmer switch (turn switch) signal Headlight dimmer switch (turn switch) off 11 to 14 V
      Headlight dimmer switch (turn switch) turned right position Below 1 V
      G195-5 (EL) - Body ground G - Body ground Headlight dimmer switch (turn switch) signal Headlight dimmer switch (turn switch) off 11 to 14 V
      Headlight dimmer switch (turn switch) turned left position Below 1 V
      G195-6 (S) - Body ground V - Body ground Oil pressure switch signal Ignition switch ON, oil pressure warning light on Below 1 V
      Ignition switch ON, oil pressure warning light off 11 to 14 V
      G195-8 (LL) - Body ground V - Body ground Turn signal light LH signal Ignition switch ON, LH turn indicator light off Below 1 V
      Ignition switch ON, LH turn indicator light blinking 11 to 14 V ←→ Below 1 V
      G195-13 (LR) - Body ground G - Body ground Turn signal light RH signal Ignition switch ON, RH turn indicator light off Below 1 V
      Ignition switch ON, RH turn indicator light blinking 11 to 14 V ←→ Below 1 V

      • *1: for Double Tank Type

      • *2: for Diesei Engine

      • *3: for Manual Transmission

      • *4: for 2TR-FE

      • *5: w/ Washer Fluid Level Warning System

      • *6: for 1GD-FTV, 1GR-FE

    2. B001G6PE01

      Using an oscilloscope, check waveform 1.

      Waveform (Reference)
      Item Condition
      Tester Connection

      • G304-17 (+S) - Body ground

      • G304-18 (SI) - Body ground
      Tool Setting 5 V/DIV., 20 ms./DIV.
      Vehicle Condition Driving at approximately 20 km/h (12 mph)

      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.

  3. COMBINATION METER ASSEMBLY (for Segment Display Type [for 5L-E])

    B001E8GN01

    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
      G6-5 (ET) - Body ground*1 G - Body ground Ground Always Below 1 Ω
      G6-6 (SW1) - Body ground B - Body ground Power source for light control rheostat Ignition switch ON 4.6 to 5.4 V
      G6-7 (SW2) - Body ground GR - Body ground Light control rheostat signal Light control rheostat fully turned right Below 1 Ω
      Light control rheostat fully turned left 8 to 12 kΩ
      G6-8 (L) - Body ground*1 B - Body ground Fuel sender gauge signal Fuel F (full tank) → E (empty) Below 1 V → 4.5 to 9 V
      G6-9 (L) - Body ground R - Body ground Fuel sender gauge signal Fuel F (full tank) → E (empty) Below 1 V → 4.5 to 9 V
      G6-11 (RSET) - Body ground P - Body ground ODO/TRIP switch signal Ignition switch ON, ODO/TRIP switch on (Pushed) Below 1 Ω
      Ignition switch ON, ODO/TRIP switch off (Not pushed) 1 MΩ or higher
      G6-13 (BLP) - Body ground R - Body ground Back-up light switch signal Ignition switch ON, back-up light switch on 11 to 14 V
      G6-14 (ST) - Body ground W - Body ground Starter signal Clutch start switch on, Cranking 5.5 V or higher
      G6-15 (TCO) - Body ground V - Body ground DLC3 (TC) Ignition switch ON 11 to 14 V
      G6-19 (B) - Body ground Y - Body ground Turn signal LH Ignition switch ON, turn LH indicator light blinks Below 1 V ←→ 11 to 14 V
      Ignition switch ON, turn signal switch neutral position Below 1 V
      G6-20 (B) - Body ground G - Body ground Turn signal RH Ignition switch ON, turn RH indicator light blinks Below 1 V ←→ 11 to 14 V
      Ignition switch ON, turn signal switch neutral position Below 1 V
      G6-21 (E2) - Body ground BR - Body ground Signal ground Always Below 1 V
      G6-22 (SW3) - Body ground LG - Body ground Light control rheostat ground Always Below 1 V
      G6-23 (FE) - Body ground*1 W - Body ground Fuel sender gauge ground Always Below 1 Ω
      G6-24 (E) - Body ground W - Body ground Fuel sender gauge ground Always Below 1 Ω
      G6-26 (B) - Body ground L - Body ground Battery Always 11 to 14 V
      G6-28 (IG+) - Body ground R - Body ground Ignition switch signal Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      G6-30 (CHG-) - Body ground P - Body ground Charge warning light signal Ignition switch ON, charge warning light on Below 1 V
      Ignition switch ON, charge warning light off 11 to 14 V
      G6-31 (SW) - Body ground P - Body ground Fluid level warning switch signal Ignition switch ON, fluid level warning switch on Below 1 V
      Ignition switch ON, fluid level warning switch off 11 to 14 V
      G6-32 (+S) - Body ground R - Body ground Speed signal for other systems (Output) Ignition switch ON, front wheel turns slowly

      Pulse generation

      (See waveform 1)
      G6-33 (SI) - Body ground V - Body ground Speed signal for other systems (Input) Ignition switch ON, front wheel turns slowly

      Pulse generation

      (See waveform 1)
      G6-34 (S) - Body ground P - Body ground Engine speed signal Idling with warm engine

      Pulse generation

      (See waveform 2)
      G6-35 (TEMP) - Body ground L - Body ground Engine coolant temperature signal Idling with warm engine

      Pulse generation

      (See waveform 3)
      G6-39 (CANL) - Body ground W - Body ground CAN communication signal Ignition switch off 200 Ω or higher
      G6-40 (CANH) - Body ground V - Body ground*2 CAN communication signal Ignition switch off 200 Ω or higher
      LG - Body ground*3
      G7-3 (S) - Body ground R - Body ground Fuel sedimenter warning switch signal Ignition switch ON, fuel sedimenter warning switch on Below 1 V
      Ignition switch ON, fuel sedimenter warning switch off 11 to 14 V
      G7-7 (CHK) - Body ground V - Body ground MIL (Malfunction Indicator Lamp) signal Ignition switch ON, MIL (Malfunction Indicator Lamp) comes on Below 1 V
      Ignition switch ON, MIL (Malfunction Indicator Lamp) off 11 to 14 V
      G7-8 (GLW-) - Body ground R - Body ground GLOW indicator light signal Ignition switch ON, GLOW indicator light comes on Below 1 V
      Ignition switch ON, GLOW indicator light off 11 to 14 V
      G7-15 (P/SB) - Body ground L - Body ground Passenger side seat belt buckle switch Ignition switch ON, sit on the front passenger seat, and front passenger side seat belt unfastened 11 to 14 V
      Ignition switch ON, sit on the front passenger seat, and front passenger side seat belt fastened Below 1 V
      G7-23 (VCM) - Body ground G - Body ground Vacuum warning switch signal Ignition switch ON, vacuum warning switch on Below 1 V
      Ignition switch ON, vacuum warning switch off 11 to 14 V
      G7-24 (S) - Body ground V - Body ground Oil pressure switch signal Ignition switch ON, oil pressure warning light on Below 1 V
      Ignition switch ON, oil pressure warning light off 11 to 14 V

      • *1: for Double Tank Type

      • *2: for LHD

      • *3: for RHD

    2. B001G6PE01

      Using an oscilloscope, check waveform 1.

      Waveform (Reference)
      Item Condition
      Tester Connection

      • G6-32 (+S) - Body ground

      • G6-33 (SI) - Body ground
      Tool Setting 5 V/DIV., 20 ms./DIV.
      Vehicle Condition Driving at approximately 20 km/h (12 mph)

      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.

    3. B001G3OE06

      Using an oscilloscope, check waveform 2.

      Waveform (Reference)
      Item Condition
      Tester Connection G6-34 (S) - Body ground
      Tool Setting 5 V/DIV., 20 ms./DIV.
      Vehicle Condition Idling with warm engine
    4. B001DS1E09

      Using an oscilloscope, check waveform 3.

      Waveform (Reference)
      Item Condition
      Tester Connection G6-35 (TEMP) - Body ground
      Tool Setting 5 V/DIV., 0.1 sec./DIV.
      Vehicle Condition Idling with warm engine