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 SystemProblem Symptoms Table
PROBLEM SYMPTOMS TABLE
If there are no DTCs output and the problem still occurs, check the circuits
for each problem symptom in the order given in the following table and proceed to
the relevant troubleshooting page.
NOTICE:
When replacing the brake act ...
Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or an airbag inflates
upon collision, the fuel pump shut off system stops supplying fuel to the engine.
Follow the procedure below to restart the engine after the system is activated.
►Vehic ...
Vehicle Speed Signal Error (Test Mode DTC) (C2191/91)
DESCRIPTION
The tire pressure warning ECU receives a vehicle speed signal from the combination
meter. This DTC is stored upon entering signal check mode (test mode), and cleared
when a vehicle speed signal of 20 km/h (12 mph) is detected for 3 seconds or ...