CHECK HARNESS CONNECTOR BETWEEN TRANSFER DUTY SOLENOID AND TRANSMISSION.

Measure the resistance of harness between transmission connector and transmission ground.

Connector & terminal

(T4) No. 8 — Transmission ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

The circuit is normal.
If the ATF temperature warning light is flashing, repair the harness or connector between the transfer duty solenoid and transmission.

Repair short circuit of the harness between the transfer duty solenoid and transmission connector.