METER / GAUGE / DISPLAY METER / GAUGE SYSTEM TERMINALS OF ECU
COMBINATION METER ASSEMBLY
2.25,0.281 2.625,0.51
0.375,0.229
5.281,0.354 5.656,0.583
0.375,0.229
a.
Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
E43-5 (SI) - Body ground | R - Body ground | Speed signal for other system (Input) | Ignition switch ON, wheel being rotated | Pulse generation (See waveform 1) |
E43-6 (+S) - Body ground | V - Body ground | Speed signal for other system (Output) | Ignition switch ON, wheel being rotated | Pulse generation (See waveform 1) |
E43-9 (S) - Body ground | V - Body ground | Oil pressure signal | Engine started | 11 to 14 V |
Engine not started | Below 1 V | |||
E43-11 (CHK) - Body ground | LG - Body ground | MIL (Check engine warning light) signal | Ignition switch ON, MIL off | 11 to 14 V |
Ignition switch ON, MIL on | Below 1 V | |||
E43-12 (SW) - Body ground | Y - Body ground | Brake fluid level signal | Ignition switch ON, brake fluid level not low (brake warning light off) | 11 to 14 V |
Ignition switch ON, brake fluid level low (brake warning light on) | Below 1 V | |||
E43-13 (CHG-) - Body ground | G - Body ground | Charge warning signal | Engine running, charge warning light off*2 or "Charge warning (Charge warning symbol)" not displayed*3 | 11 to 14 V |
Engine running, charge warning light on*2 or "Charge warning (Charge warning symbol)" displayed*3 | Below 1 V | |||
E43-14 (-) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
E43-16 (L) - E43-15 (E) | V - BR | Fuel level signal | Ignition switch ON, fuel level full | Below 1 V |
Ignition switch ON, fuel level low (fuel level warning light on) | 4.5 to 9 V | |||
E43-19 (+) - Body ground | R - Body ground | High beam signal | High beam off | Below 1 V |
High beam on | 11 to 14 V | |||
E43-21 (ET) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
E43-31 (CANL) - Body ground | W - Body ground | CAN communication line | - | - |
E43-32 (CANH) - Body ground | LG - Body ground | CAN communication line | - | - |
E43-35 (TX1+) - E43-34 (TX1-) | G - W | Ambient temperature sensor signal | Ignition switch ON | 0.5 to 4 V |
E43-39 (IG+) - Body ground | P - Body ground | Ignition switch signal | Ignition switch off | Below 1 V |
Ignition switch ON | 11 to 14 V | |||
E43-40 (B) - Body ground | W - Body ground | Battery | Always | 11 to 14 V |
E47-1 (B) - Body ground | B - Body ground | Battery | Always | 11 to 14 V |
E47-3 (HAZ) - Body ground | GR - Body ground | Hazard warning switch signal | Ignition switch ON, hazard warning switch off | 11 to 14 V |
Ignition switch ON, hazard warning switch on | Below 1 V | |||
E47-7 (LR) - Body ground | L - Body ground | RH turn indicator light signal (Output) | 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 | |||
E47-9 (ER) - Body ground | P - Body ground | RH turn indicator light signal (Input) | Ignition switch ON, RH turn signal switch off | 11 to 14 V |
Ignition switch ON, RH turn signal switch on | Below 1 V | |||
E47-10 (EL) - Body ground | LG - Body ground | LH turn indicator light signal (Input) | Ignition switch ON, LH turn signal switch off | 11 to 14 V |
Ignition switch ON, LH turn signal switch on | Below 1 V | |||
E47-12 (FOG) - Body ground*1 | G - Body ground | Front fog indicator light signal | Ignition switch ON, front fog indicator light off | Below 1 V |
Ignition switch ON, front fog indicator light on | 11 to 14 V | |||
E47-13 (LL) - Body ground | Y - Body ground | LH turn indicator light signal (Output) | 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 |
*1: w/ Front Fog Light
*2: for Multi-information Display (Segment LCD Type)
*3: for Multi-information Display (Dot LCD Type)
i.
Waveform 1 (Reference):
Item | Condition |
---|---|
Tool setting | 5 V/DIV., 20 ms./DIV. |
Vehicle condition | Ignition switch ON, wheel being rotated |
- HINT:
-
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.