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 |
Installation
INSTALLATION
PROCEDURE
1. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG
(a) Temporarily tighten the rear disc brake bleeder plug.
HINT:
Fully tighten the rear disc brake bleeder plug after bleeding any air left in
the system.
(b) Install the rear di ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER STEERING ECU
HINT:
As connector z8 uses a lock lever, each terminal cannot be checked while the
connector is still connected to the power steering ECU.
Terminal No. (Symbol)
Wiring Color
...
Automatic High Beam System (B124B)
DESCRIPTION
The DTC is stored when the main body ECU (driver side junction block assembly)
detects malfunctions in the automatic high beam system.
DTC No.
DTC Detection Condition
Trouble Area
B124B
...