DESCRIPTION
The AWD control ECU receives signals from each sensor to control clutch pressure to distribute torque according to the driving conditions.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1298/98 |
When the following continues for 1 second or more: - With the current of the 0.8 A or more, an open or short in the electromagnetic solenoid circuit occurs. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Check the condition of each related circuit connector before troubleshooting
(See page ).
PROCEDURE
1. |
CHECK WIRE HARNESS (AWD CONTROL ECU - BATTERY) |
(a) Disconnect the ECU connector. |
|
(b) Measure the voltage of the wire harness side connector.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D38-9 (BSLC) - Body Ground |
Always |
11 to 14 V |
*1 |
Rear view of wire harness connector (to AWD Control ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
INSPECT ELECTRO MAGNETIC CONTROL COUPLING (ELECTROMAGNETIC SOLENOID) |
(a) Remove the coupling connector. |
|
(b) Measure the resistance of the solenoid.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 (BSF) - 2 (SLC) |
Always |
2.2 to 2.6 Ω |
1 (BSF) - Body ground |
Always |
10 kΩ or higher |
2 (SLC) - Body ground |
Always |
10 kΩ or higher |
*1 |
Electromagnetic Solenoid |
NG | ![]() |
REPLACE ELECTRO MAGNETIC CONTROL COUPLING |
|
3. |
CHECK WIRE HARNESS (ELECTROMAGNETIC CONTROL COUPLING - AWD CONTROL ECU) |
(a) Disconnect the ECU connector. |
|
(b) Measure the resistance of the wire harness side connector.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D38-13 (SLC+) - O1-1 (BSF) |
Always |
Below 1 Ω |
D38-32 (SLC-) - O1-2 (SLC) |
Always |
Below 1 Ω |
D38-13 (SLC+) - Body ground |
Always |
10 kΩ or higher |
D38-32 (SLC-) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Electromagnetic Solenoid) |
*2 |
Rear view of wire harness connector (to AWD Control ECU) |
OK | ![]() |
REPLACE AWD CONTROL ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Hydraulic Test
HYDRAULIC TEST
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
CAUTION:
The line pressure test should always be carried out with at least 2 people. One
person should observe the condition of wheels and wheel chocks while the other is
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