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 > Vehicle Stability Control System: Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)
DESCRIPTION
Depending on the malfunction, the skid control ECU (brake actuator assembly)
prohibits operation of the vehicle stability control system to protect components
and prevent incorrect operation when DTCs are stored.
If the switching solenoid is disabled due to prohibition of the vehic ...
Toyota CH-R Service Manual > Theft Deterrent / Keyless Entry: Transponder Key Amplifier
Components
COMPONENTS
ILLUSTRATION
*1
LOWER STEERING COLUMN COVER
*2
TRANSPONDER KEY COIL
*3
UNLOCK WARNING SWITCH ASSEMBLY
*4
UPPER STEERING COLUMN COVER
Removal
REMOVAL
PROCEDURE
1. ...