RM38N0EC _52 Drivetrain _119335 GF1A TRANSFER / 4WD / AWD _0524142 DYNAMIC TORQUE CONTROL AWD SYSTEM J

GF1A TRANSFER / 4WD / AWD  DYNAMIC TORQUE CONTROL AWD SYSTEM  AWD Warning does not Come ON  


PROCEDURE

1.CHECK HARNESS AND CONNECTOR
a.

Check that there is no looseness at the locking and connecting parts of the 4WD ECU assembly connector.

OK:

No looseness at the locking and connecting parts



b.

Disconnect the L48 4WD ECU assembly connector.


c.

Check the connector case and the terminal for deformation and corrosion.

OK:

No deformation or corrosion



d.

Connect the L48 4WD ECU assembly connector.


Result:
Proceed to
OK
NG



OK

2.CHECK 4WD WARNING MESSAGE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.CHECK 4WD WARNING MESSAGE
a.

According to the display on the GTS, read the Data List.

Chassis > Four Wheel Drive > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
4WD Warning Light AWD warning (multi-information display) Warning ON/OFF Observe combination meter assembly
Chassis > Four Wheel Drive > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
4WD Warning Light AWD warning (multi-information display) OFF or ON OFF: Warning off
ON: Warning on 		-
Chassis > Four Wheel Drive > Active Test
Active Test Display
4WD Warning Light
Data List Display
4WD Warning Light
50004 118 2 7

Result:
Result Proceed to
Data List display does not switch ON/OFF A
Data List display switches ON/OFF B



A

REPLACE 4WD ECU ASSEMBLY

Click hereDrivetrain>GF1A (TRANSFER / 4WD / AWD)>4WD CONTROL ECU>REMOVAL


B

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM (for TFT Meter Type)>HOW TO PROCEED WITH TROUBLESHOOTING