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 > Power Window Control System: Parts Location
PARTS LOCATION
ILLUSTRATION
*A
w/ Smart Key System
-
-
*1
MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
*2
COMBINATION METER ASSEMBLY
*3
DLC3
*4
CERTIFICAT ...
Toyota CH-R Service Manual > Power Window Control System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Power window control system data and Diagnostic Trouble Codes (DTCs) can
be read through the vehicle Data Link Connector 3 (DLC3). When the system seems
to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
CHECK DLC3
(a) Che ...