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 > Audio And Visual System(for Radio And Display Type): Cellular Phone Inspection
PROCEDURE
1.
CHECK USAGE CONDITION
(a) Check that the vehicle and cellular phone meet the following conditions:
NOTICE:
If changing cellular phone settings, updating software, etc. is necessary, make
sure to obtain the permission of the customer before performin ...
Toyota CH-R Service Manual > Airbag System: Short in Curtain Shield Squib LH Circuit (B1835/58-B1838/58)
DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assembly and
curtain shield airbag assembly LH.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunction is detected in the curta ...