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 > Headlight Dimmer Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY
(a) Engage the claws to install the headlight dimmer switch assembly as shown
in the illustration.
Install in this Direction
(b) Connect the connector.
2. INSTALL WINDSHIELD WIPER SWITCH ASSEMBL ...
Toyota CH-R Service Manual > Safety Connect System: Backup Battery Failure (B15CC)
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery)
malfunctions.
The BUB (Back-Up Battery) temperature is (temporarily) high.
DTC No.
Detect ...