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 > Airbag System: Short in Front Pretensioner Squib RH Circuit (B1900/73-B1903/73)
DESCRIPTION
The front pretensioner squib RH circuit consists of the airbag sensor assembly
and front seat outer belt assembly RH.
The airbag sensor assembly uses this circuit to deploy the pretensioner when
deployment conditions are met.
These DTCs are stored when a malfunction is detected in ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Terminals Of Ecu
TERMINALS OF ECU
RADIO AND DISPLAY RECEIVER ASSEMBLY
*A
w/ Navigation System
*B
w/ Manual (SOS) Switch
*C
w/o Navigation System
*D
for Satellite Radio
Terminal No. (Symbol)
...