TERMINALS OF ECU
TERMINAL INSPECTION
*a |
Component without harness connected (Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)) |
- |
- |
(a) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Input/Output |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
Related Data List Item |
---|---|---|---|---|---|---|
F78-1 (GND) - Body ground |
- |
W-B - Body ground |
Ground*1 |
Always |
Below 1 Ω |
- |
F78-3 (IGEI) - F78-1 (GND) |
Input |
P - W-B |
Steering lock motor activation command signal (motor activation command signal sent from certification ECU (smart key ECU assembly)) |
Any door opened when conditions below met, and then steering lock motor activated:
|
Pulse generation (see waveform) |
Smart Key
|
F78-4 (SLP1) - F78-1 (GND) |
Output |
G - W-B |
Steering lock bar position signal (output signal from steering unlock sensor) |
Steering locked → unlocked |
11 to 14 V → Below 1.5 V |
Smart Key
|
F78-5 (LIN) - F78-1 (GND) |
Input/Output |
V - W-B |
LIN communication line |
- |
- |
Smart Key
|
F78-6 (IG2) - F78-1 (GND) |
Input |
B - W-B |
Power source mode signal (IG2 power supply input for entire steering lock actuator or upper bracket assembly)*1 |
Engine switch off → engine switch on (IG) |
Below 1 V → 11 to 14 V |
- |
F78-7 (B) - Body ground |
Input |
L - Body ground |
Power source*1 |
Always |
11 to 14 V |
- |
NOTICE:
There is 1 motor and 2 sensors built into the steering lock actuator or upper bracket assembly.
HINT:
(1) Waveform
*a |
Steering Lock Motor not Operating |
*b |
Steering Lock Motor Operating |
Item |
Content |
---|---|
Tester Connection |
F78-3 (IGEI) - F78-1 (GND) |
Tool Setting |
2 V/DIV., 200 ms./DIV. |
Vehicle Condition |
Steering lock motor not operating → Operating → Not operating |
Toyota CH-R Service Manual > Meter / Gauge System: Terminals Of Ecu
TERMINALS OF ECU
COMBINATION METER ASSEMBLY
(a) Disconnect the combination meter assembly connectors.
(b) Measure the voltage on the wire harness side connector according to the value(s)
in the table below.
Terminal No.
Wiring Color
Terminal Description
...
Toyota CH-R Service Manual > Hood: Adjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
*a
Centering Bolt
*b
Standard Bolt
HINT:
Centering bolts are used to install the hood hinges and hood lock. The
hood and hood lock cannot be adjusted with the centering bolts installed.
...