Intelligent Key Unit Power Back Door Output Signal

INTELLIGENT KEY UNIT POWER BACK DOOR OUTPUT SIGNAL

Description

The keyfob of the Intelligent Key unit is capable of opening and closing the power back door. The driver can open or close the liftgate by pressing the liftgate button regardless whether the vehicle is locked provided the keyfob is within operating range.


Diagnosis Procedure

Regarding Wiring Diagram information, With Intelligent Key System.

1. POWER LIFTGATE SWITCH FUNCTION INSPECTION

Check power liftgate switch using switch operation.
Did the back door respond correctly?
YES- GO TO 2
NO- With Intelligent Key System.

2. KEYFOB SIGNAL INSPECTION

Check keyfob operation using lock and unlock buttons.
Did the keyfob operate correctly?
YES- GO TO 3
NO- Component Tests and General Diagnostics.

3. INTELLIGENT KEY UNIT SIGNAL INSPECTION

1.Turn ignition switch OFF.
2.Disconnect Intelligent Key unit, back door control unit and power liftgate switch connectors.





3.Check continuity between Intelligent Key unit connector (A) M70
terminal 23 and back door control unit connector (B) B55 terminal 23.
23 - 23: Continuity should exist.
4.Check continuity between Intelligent Key unit connector (A) M70
terminal 23 and ground.
23 - Ground: Continuity should not exist.
Is the inspection result normal?
YES- Replace Intelligent Key unit.
NO- Repair or replace the harness as necessary.