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 Heater System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Seat Heater System
DTC No.
Detection Item
Link
B14B5
Lost Communication with Front Seat Temperature Adjustment Switch LIN
...
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): Evaporator Temperature Sensor Circuit (B1413)
DESCRIPTION
The No. 1 cooler thermistor (evaporator temperature sensor) is installed to the
evaporator in the air conditioner unit to detect the temperature of the cooled air
that has passed through the evaporator, which is used to control the air conditioning
system. It sends signals to the ...