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 |
Toyota CH-R Service Manual > Airbag System: Short in Driver Side Squib 2nd Step Circuit (B1810/53-B1813/53)
DESCRIPTION
The driver side squib 2nd step circuit consists of the airbag sensor assembly,
spiral cable with sensor sub-assembly and horn button assembly.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunc ...
Toyota CH-R Service Manual > Drive Shaft / Propeller Shaft: Drive Shaft System
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Che ...