AXLE SYSTEM > TERMINALS OF ECU

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HINT:
Inspect the connector from the backside while connector is connected.


SKID CONTROL ECU

C113680E02


Symbols
(Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
GND1 (S41-1) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 Ω
GND2 (S40-2) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 Ω
GND3 (S40-1) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 Ω
GND4 (S39-2) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 Ω
GND5 (S39-1) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 Ω
GND6 (S38-4) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 Ω
FR+ (S41-32) - FR- (S41-22)
W - O
Front speed sensor RH circuit
Ignition switch ON, driving at approximately 30 km/h (18 mph)
Pulse generation
(see waveform 1)
FL+ (S38-28) - FL- (S38-22)
G - R
Front speed sensor LH circuit
Ignition switch ON, driving at approximately 30 km/h (18 mph)
Pulse generation
(see waveform 1)
RR+ (S39-31) - RR- (S39-23)
G - R
Rear speed sensor RH circuit
Ignition switch ON, driving at approximately 30 km/h (18 mph)
Pulse generation
(see waveform 1)
RL+ (S40-35) - RL- (S40-27)
G - R
Rear speed sensor LH circuit
Ignition switch ON, driving at approximately 30 km/h (18 mph)
Pulse generation
(see waveform 1)
FSS (S38-13) - Body ground
LG - Body ground
Front speed sensor shield ground circuit
Always
Below 1 Ω
RSS (S40-10) - Body ground
BR - Body ground
Rear speed sensor shield ground circuit
Always
Below 1 Ω
IG1 (S40-7) - Body ground
Y - Body ground
Power source voltage
Ignition switch ON
10 to 14 V
IG2 (S38-5) - Body ground
W - Body ground
Power source voltage
Ignition switch ON
10 to 14 V
CANH (S40-19) - CANL (S40-18)
B - W
CAN communication line
Ignition switch off
54 to 67 Ω


    C113681E01

  1. Waveform 1 (Reference):
    Item
    		Contents
    Tool setting
    		1 V/DIV, 2 ms/DIV
    Vehicle condition
    		Driving at approximately 30 km/h (18 mph)

    HINT:
    As vehicle speed (wheel rotation speed) increases, the width of the waveform narrows.