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 SystemComponents
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
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Engine oil
With the engine at operating temperature and turned off, check the oil level
on the dipstick.
- Checking the engine oil
Park the vehicle on level ground.
After warming up the engine and turning it off, wait more than five minutes for
the oil to ...
Short in Front Pretensioner Squib LH Circuit (B1905/74-B1908/74)
DESCRIPTION
The front pretensioner squib LH circuit consists of the center airbag sensor
assembly and front seat outer belt assembly LH.
The center airbag sensor assembly uses this circuit to deploy the seat belt pretensioner
when deployment conditions a ...