TERMINALS OF ECM
CHECK ECM
HINT:
The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
C63-59 (E1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
A38-1 (BATT) - C63-59 (E1) |
R - W-B |
Battery (for measuring battery voltage and for ECM memory) |
Always |
11 to 14 V |
|
C63-61 (LIN) - Body ground |
B - Body ground |
LIN communication line |
Ignition switch off (while LIN communication is stopped) |
10 kΩ or higher |
Problem Symptoms Table
Diagnosis SystemToyota CH-R Service Manual > Seat Belt Warning System(w/o Occupant Classification System): Driver Side Seat Belt Warning Light does not Operate
DESCRIPTION
The combination meter assembly blinks or turns off the seat belt warning light
on the combination meter assembly in accordance with the state of the front seat
inner belt assembly (driver seat).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The seat belt warning syste ...
Toyota CH-R Service Manual > Airbag System: Lost Communication with Front Airbag Sensor RH (B1612/83,B1613/83)
DESCRIPTION
The front airbag sensor RH circuit consists of the airbag sensor assembly and
front airbag sensor RH.
The front airbag sensor RH detects impacts to the vehicle and sends signals to
the airbag sensor assembly to determine if the airbags and pretensioners should
be deployed.
These ...