Toyota 2GR-FE Manual page 887

Symbols (Terminal No.)
B (E51-7) - Body ground
IG2 (E51-6) - Body ground
IG2 (E51-6) - Body ground
GND (E51-1) - Body ground
SGND (E51-2) - Body ground
Symbols (Terminal No.)
SLP1 (E51-4) - GND (E51-1)
SLP1 (E51-4) - GND (E51-1)
2GR-FE STARTING – SMART KEY SYSTEM
(e) Using an oscilloscope, check the signal waveform of
Terminal No.
Tool Setting
Vehicle Condition
GND
I042330E01
4. CHECK STEERING LOCK ECU
E51
7 6 5
(a) Disconnect the E51 ECU connector.
(b) Measure the voltage and resistance of the wire
Wiring Color Terminal Description
P - Body ground +B power supply
B - Body ground Ignition power supply
B - Body ground Ignition power supply
W-B - Body ground Ground
W-B - Body ground Ground
(c) Reconnect the E51 ECU connector.
(d) Measure the voltage of the connector.
Wiring Color Terminal Description
Steering lock actuator
P - W-B
position signal
Steering lock actuator
P - W-B
position signal
If the result is not as specified, the ECM may have a
malfunction.
the ECM.
Waveform 1 (Reference):
A55-15 (TACH) - C55-81 (E1)
5 V/DIV., 10 ms./DIV.
Engine idling
HINT:
As the vehicle speed increases, the wavelength
shortens.
4 3 2 1
harness side connector.
Condition
Always
Engine switch on (IG)
Engine switch off
Always
Always
If the result is not as specified, there may be a
malfunction on the wire harness side.
Condition
Steering is locked
Steering is released
If the result is not as specified, the ECU may have a
malfunction.
ST–25
B106649E13
Specified Condition
10 to 14 V
10 to 14 V
Below 1 V
Below 1 Ω
Below 1 Ω
Specified Condition
10 to 14 V
Below 1 V
ST