Toyota Venza: Terminals Of Ecu
TERMINALS OF ECU
1. TERMINALS OF ECU
Text in Illustration
|
*1 |
Component without harness connected (Brake Actuator (Skid Control ECU)) |
|
Terminal No. (Symbol) |
Terminal Description |
|---|---|
|
1 (GND2) |
Pump motor ground |
|
2 (+BM) |
Motor relay power supply |
|
3 (+BS) |
Solenoid relay power supply |
|
4 (GND1) |
Skid control ECU ground |
|
5 (FL-) |
Front wheel speed LH (-) signal input |
|
6 (RL+) |
Rear wheel speed LH (+) signal input |
|
8 (RR+) |
Rear wheel speed RH (+) signal input |
|
9 (FR+) |
Front wheel speed RH (+) signal input |
|
10 (FR-) |
Front wheel speed RH (-) signal input |
|
11 (D/G) |
Diagnosis tester communication line |
|
13 (STP2) |
Stop light control relay input |
|
14 (CANL) |
CAN communication line L |
|
16 (TS) |
Sensor check input |
|
17 (CSW) |
VSC OFF switch input |
|
20 (FSW+) |
Brake pedal load sensing switch input |
|
26 (FL+) |
Front wheel speed LH (+) signal input |
|
27 (RL-) |
Rear wheel speed LH (-) signal input |
|
28 (IG1) |
ECU power supply |
|
29 (RR-) |
Rear wheel speed RH (-) signal input |
|
30 (STP) |
Stop light switch input |
|
33 (SP1) |
Speed signal output for speedometer |
|
35 (CANH) |
CAN communication line H |
|
39 (STP0) |
Stop light control relay output |
2. TERMINAL INSPECTION
(a) Disconnect the connector and measure the voltage and resistance on the wire harness side.
Text in Illustration
|
*1 |
Front view of wire harness connector (to Brake Actuator (Skid Control ECU)) |
HINT:
Voltage cannot be measured with the connector connected to the skid control ECU because the connector is watertight.
Standard|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
A42-1 (GND2) - Body ground |
W-B - Body ground |
Pump motor ground |
Always |
Below 1 Ω |
|
A42-2 (+BM) - Body ground |
Y - Body ground |
Motor relay power supply |
Always |
11 to 14 V |
|
A42-3 (+BS) - Body ground |
GR - Body ground |
Solenoid relay power supply |
Always |
11 to 14 V |
|
A42-4 (GND1) - Body ground |
W - Body ground |
Skid control ECU ground |
Always |
Below 1 Ω |
|
A42-13 (STP2) - Body ground |
R - Body ground |
Stop light control relay input |
Stop light switch ON → OFF (Brake pedal depressed → released) |
8 to 14 V → Below 1.5 V |
|
A42-17 (CSW) - Body ground |
LG - Body ground |
VSC OFF switch input |
VSC OFF switch held ON → OFF (Not pressed) |
Below 1 Ω → 10 kΩ or higher |
|
A42-20 (FSW+) - Body ground |
R - Body ground |
Brake pedal load sensing switch input |
Brake pedal load sensing switch OFF → ON (Brake pedal depressed → released) |
950 to 1050 Ω → 203 to 223 Ω |
|
A42-28 (IG1) - Body ground |
GR - Body ground |
ECU power supply |
Ignition switch ON |
11 to 14 V |
|
A42-30 (STP) - Body ground |
P - Body ground |
Stop light switch input |
Stop light switch ON → OFF (Brake pedal depressed → released) |
8 to 14 V → Below 1.5 V |
|
A42-39 (STP0) - Body ground |
BR - Body ground |
Stop light control relay output |
Ignition switch ON |
11 to 14 V |
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