TERMINALS OF ECU
1. CHECK AWD CONTROL ECU
(a) Measure the voltage and resistance of the connector.
|
Terminal No. (Symbol) |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|
|
14 (CANH) - 16 (CANL) |
CAN communication |
Ignition switch off |
54 to 69 Ω |
|
23 (GND) - Body ground |
Ground |
Always |
Below 1 Ω |
|
11 (IG1) - 23 (GND) |
Power source voltage |
Ignition switch ON |
10 to 14 V |
|
13 (SLC+) - 32 (SLC-) |
Electromagnetic solenoid signal |
D position, Idling |
Pulse generation (See waveform 1) |
|
9 (BSLC) - 23 (GND) |
Power source voltage |
Always |
10 to 14 V |
If the result is not as specified, the AWD control ECU may have a malfunction.
(b) Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference)
|
Terminal Name |
Content |
|---|---|
|
Tester Range |
2 V/DIV., 1 msec./DIV. |
|
Condition |
D position, Idling |
Test Mode Procedure
Diagnosis SystemOperation Check
OPERATION CHECK
1. CHECK PANEL & STEERING SWITCH
HINT:
The radio and display receiver assembly panel switches and steering
switches are checked in the following procedure.
Illustrations may differ from the actual vehicle screen depending ...
Automatic High Beam Mirror (B124A)
DESCRIPTION
The DTC is stored when the main body ECU (driver side junction block assembly)
detects malfunctions in the inner rear view mirror assembly.
DTC No.
DTC Detection Condition
Trouble Area
B124A
...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Line
A/C amplifier
ECM
Magnetic clutch request signal*1
CAN
Idle up reques ...