METER / GAUGE SYSTEM (for 1KD-FTV) TERMINALS OF ECU


  1. COMBINATION METER ASSEMBLY

    A01KG35E02
    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    C13-2 - Body ground R-G - Body ground Hi beam signal

    Hi beam indicator light

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C13-3 - Body ground Y-R - Body ground GLOW signal

    GLOW indicator

    ON → OFF

    		 Below 1 V → 11 to 14 V
    C13-5 - Body ground BR - Body ground Ground (Vehicle speed sensor) Always Below 1 V
    C13-11 - Body ground (*1) L-R - Body ground Oil change light reset switch signal

    Oil change light reset switch

    OFF → ON

    		 1 MΩ or higher → Below 1 Ω
    C13-12 - Body ground (*1) L-W - Body ground Oil change light signal

    Oil change light

    OFF → ON

    		 11 to 14 V → Below 1 V
    C13-14 - Body ground P-L - Body ground Oil pressure signal

    Oil pressure warning light

    ON → OFF

    		 Below 1 V → 11 to 14 V
    C13-16 - Body ground B-Y - Body ground Brake warning light signal

    Brake warning light

    OFF → ON

    		 11 to 14 V → Below 1 V
    C13-17 - Body ground G-Y - Body ground Right turn signal

    Right turn indicator light

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C13-18 - Body ground

    R - Body ground (*1)

    R-L - Body ground (*2)

    		 Engine coolant temperature signal from ECM Ignition switch ON Pulse generation
    C13-24 - Body ground G-B - Body ground Left turn signal

    Left turn indicator light

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C13-25 - Body ground W-B - Body ground Ground Always Below 1 V
    C13-26 - Body ground Y - Body ground Fuel sender signal Ignition switch ON 11 to 14 V
    C13-27 - Body ground L-Y - Body ground Battery Always 11 to 14 V
    C13-28 - Body ground R-L - Body ground Ignition switch signal

    Ignition switch

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C13-29 - Body ground G - Body ground Illumination signal

    Headlight dimmer switch

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C13-30 - Body ground W-B - Body ground Ground Always Below 1 V
    C13-31 - Body ground BR - Body ground Ground Always Below 1 V
    C13-35 - Body ground B - Body ground Engine revolution signal from ECM Engine running

    Pulse generation

    (See waveform 1)
    C13-36 - Body ground V-Y - Body ground Vehicle speed sensor signal Ignition switch ON and drive wheel turned slowly

    Pulse generation

    (See waveform 2)
    C13-37 - Body ground

    V - Body ground (*1)

    V-W - Body ground (*2)

    		 Vehicle speed signal output to ECM Ignition switch ON and drive wheel turned slowly

    Pulse generation

    (See waveform 2)
    C13-38 - Body ground (*1) V-W - Body ground Vehicle speed signal output to OIL MONITOR SYSTEM Ignition switch ON and drive wheel turned slowly

    Pulse generation

    (See waveform 2)
    C13-39 - Body ground B-R - Body ground Engine oil level warning switch signal

    Oil level warning light

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C13-40 - Body ground (*3) R-Y - Body ground ABS warning light signal

    ABS warning light

    OFF → ON

    		 11 to 14 V → Below 1 V
    C13-40 - Body ground (*4) R-Y - Body ground Ground Always Below 1 V
    C14-3 - Body ground (*2) V-R - Body ground Fuel sedimenter switch signal

    Fuel filter warning light

    OFF → BLINKING

    		 11 to 14 V → Below 1 V
    C14-6 - Body ground W-B - Body ground Ground Always Below 1 V
    C14-7 - Body ground Y - Body ground Charge signal

    Ignition switch ON (engine stopped)

    →

    Engine idling

    		 Below 1 V → 11 to 14 V
    C14-8 - Body ground R-L - Body ground Ignition switch signal

    Ignition switch

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C14-12 - Body ground W - Body ground Fuel filter warning switch signal

    Fuel filter warning light

    OFF → ON

    		 11 to 14 V → Below 1 V
    C14-19 - Body ground (*5) GR-B - Body ground Ignition switch signal

    Ignition switch

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C14-20 - Body ground (*5) R - Body ground Ignition switch signal

    Ignition switch

    OFF → ON

    		 Below 1 V → 11 to 14 V
    C14-21 - Body ground (*5) B-Y - Body ground Airbag warning signal

    Airbag warning light

    OFF → ON

    		 11 to 14 V → Below 1 V
    C14-23 - Body ground W-L - Body ground MIL signal

    MIL

    OFF → ON

    		 11 to 14 V → Below 1 V

    *1: Europe

    *2: Singapore

    *3: w/ ABS

    *4: w/o ABS

    *5: w/ Airbag system

  2. Waveform 1

    A01KEJ0E19
    Item Contents
    Tool setting 5 V/DIV, 10 msec./DIV
    Vehicle condition Engine idling speed

  3. Waveform 2

    A01KG66E31
    Item Contents
    Tool setting 5 V/DIV, 20 msec./DIV
    Vehicle condition Driving at approximately 20 km/h (12 mph)

  4. CHECK ECM

    A01KFUOE56
    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    THW (E6-19) - E2 (E6-28) B-Y - BR Engine coolant temperature signal Ignition switch ON Pulse generation
    THWO (E7-2) - E01 (E6-7)

    R - BR*1

    R-L - BR*2

    		 Engine coolant temperature signal Ignition switch ON Pulse generation
    TACH (E7-4) - E01 (E6-7) B - BR Engine revolution signal Engine running Pulse generation (See waveform 1)
    GIND (E7-14) - Body ground Y-R - Body ground GLOW signal Glow indicator ON → OFF Below 1 V → 11 to 14 V

    *1: Europe

    *2: Singapore

  5. Waveform 1

    A01KEJ0E19
    Item Contents
    Tool setting 5 V/DIV, 10 msec./DIV
    Vehicle condition Engine idling speed

  6. COMBINATION METER INNER CIRCUIT

    A01KH97E02
    A01KH2JE03
    Connectors:
    Terminal No. Wire Harness Side
    C13 2

    H-LP Fuse (HI RH) (*6)

    Head light (HI LH and RH) (*7)
    3 ECM
    5 Vehicle speed sensor
    11

    Condition indicator ECU (*1)
    12

    Condition indicator ECU (*1)
    14 Oil pressure switch
    16 Parking brake, Brake vacuum warning and Brake fluid level warning switches
    17 Combination switch
    18 ECM
    24 Combination switch
    25 Ground
    26 Fuel sender gauge
    27 DOME Fuse
    28 Gauge Fuse
    29 TAIL Relay
    30 Ground
    31 Ground
    35 ECM
    36 Vehicle speed sensor
    37 ECM
    38

    Condition indicator ECU (*1)
    39 Engine oil level warning switch
    40

    ABS ECU (*3)

    Ground (*4)
    C14

    3 (*2)

    		 Fuel sedimenter switch
    6 Ground
    7 Generator
    8 GAUGE Fuse
    12 Fuel filter warning switch

    19 (*5)

    		 A/Bag Fuse

    20 (*5)

    		 ECU-IG2 Fuse

    21 (*5)

    		 Center airbag sensor assembly
    23 ECM

    *1: Europe

    *2: Singapore

    *3: w/ ABS

    *4: w/o ABS

    *5: w/ Airbag system

    *6: w/ Daytime running light

    *7: w/o Daytime running light