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 SystemHow To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the air conditioning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT DRIVE MONITOR SWITCH
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
3 (E) - ...
Lost Communication with Front Airbag Sensor LH (B1617/84,B1618/84)
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor assembly
and front airbag sensor LH.
The front airbag sensor LH detects impacts to the vehicle and sends signals to
the center airbag sensor assembly to determine if the ...