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 SystemSteering Angle Sensor Initialization Incomplete (C1439/31,C1445/31)
DESCRIPTION
The skid control ECU acquires the steering angle sensor zero point every time
the ignition switch is turned to ON and the vehicle is driven at 50 km/h (31 mph)
or more for approximately 30 seconds. The ECU also stores previous zero points.
Wa ...
Adjusting the settings
- Adjusting the temperature setting
Turn the temperature control dial clockwise (warm) or counterclockwise (cool).
The air conditioning system switches between dual and simultaneous modes each
time is pressed.
Each temperature setting will be displ ...
Back Door Entry Unlock Function does not Operate
DESCRIPTION
If the entry back door open function does not operate but the back door entry
lock function operates, the communication between the vehicle and key is normal.
As a faulty part, the back door open switch circuit (from the back door opener switc ...