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 > Meter / Gauge System: Fuel Sender Open Detected (B1500)
DESCRIPTION
This DTC is stored when the combination meter assembly detects a fuel sender
gauge assembly malfunction via a direct line.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Memory
B1500
Fuel ...
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): PTC Heater Circuit
DESCRIPTION
The air conditioning amplifier assembly sends operation signals to the PTC heater
relays when quick heater assembly operation conditions are met. Based on the signals
from the air conditioning amplifier assembly, the PTC heater relays turn on, and
power is supplied to the quick he ...