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: Front Airbag Sensor LH Malfunction (B1615/14)
DESCRIPTION
The front airbag sensor LH circuit consists of the airbag sensor assembly and
front airbag sensor LH.
The front airbag sensor LH detects impacts to the vehicle and sends signals to
the airbag sensor assembly to determine if the airbags and pretensioners should
be deployed.
DTC B ...
Toyota CH-R Service Manual > Lighting System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA (for LED Headlight)
(a) Whenever a lighting system DTC is stored, the headlight ECU sub-assembly
LH stores the current vehicle state as freeze frame data.
CHECK FREEZE FRAME DATA (for LED Headlight)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignit ...