POWER STEERING SYSTEM (for Sedan) > TERMINALS OF ECU



F044303E02


Symbols (Terminals No.)
Terminal Description
Condition
Specified Condition
PIG (A19-1) - PGND (A19-2)
EPS fuse
Always
11 to 14 V
PGND (A19-2) - Body ground
Body ground
Always
Below 1 Ω
M1 (b1-1) - PGND (A19-2)
Power steering motor
  1. With ignition switch on, turn steering wheel to left
  2. With ignition switch on, turn steering wheel to right
  1. 11 to 14 V
  2. Below 1 V
M2 (b1-2) - PGND (A19-2)
Power steering motor
  1. With ignition switch on, turn steering wheel to left
  2. With ignition switch on, turn steering wheel to right
  1. Below 1 V
  2. 11 to 14 V
CANH (D31-1) - CANL (D31-7)
CAN BUS
Ignition switch off
108 to 132 Ω
SIL (D31-2) - PGND (A19-2)
DLC3
Communication established by connecting Techstream to DLC3
Pulse generation
(See waveform 1)
IG (D31-6) - PGND (A19-2)
ECU-IG fuse
Ignition switch on
11 to 14 V
TS (D31-11) - PGND (A19-2)
DLC3
Ignition switch on
11 to 14 V
SPD* (D31-5) - PGND (A19-2)
Speed signal
Ignition switch on
Pulse generation
(See waveform 2)
TRQ1 (c1-5) - PGND (A19-2)
Torque sensor
With ignition switch on, turn steering wheel to left and right
0.3 to 4.7 V
TRQV (c1-6) - PGND (A19-2)
Torque sensor
Ignition switch on
7.5 to 8.5 V
TRQ2 (c1-7) - PGND (A19-2)
Torque sensor
With ignition switch on, turn steering wheel to left and right
0.3 to 4.7 V
TRQG (c1-8) - PGND (A19-2)
Torque sensor
Always
Below 1 Ω
* Only for vehicles without ABS

Waveform 1
C081996E02
Reference 
Terminal
SIL - Body ground
Tool setting
5 V/DIV, 1 ms/DIV
Condition
Communication established by connecting Techstream to DLC3

Waveform 2
C053421E05
Reference 
Terminal
SPD - Body ground
Tool setting
5 V/DIV, 20 ms/DIV
Condition
Vehicle speed approximately 12.4 mph (20 km/h)