Transfer Case: Testing and Inspection

ELECTRIC SHIFT TRANSFER

1. If a malfunction occurs, the 4WD indicator lamp will blink to warn the driver.

2. Following items will be indicated
(1) TCCM
(2) Shift motor
(3) Magnetic synchronizer clutch
(4) Speed sensor
(5) Hub solenoid
(6) Selector switch
(7) Motor position sensor
3. DTC Table

4. DTC Indication
(1) Indicator lamp check (0.6S)
(2) Lamp OFF (3S)
(3) DTC Indication
(4) OFF (3S)
(5) Repeat steps 3), 4)
(6) Repeat steps 3), 4), 5) for additional faults.
5. Meaning of code
0 : Lamp ON for 0.5 second
1 : Lamp ON for 1 second
6. EX) TCCM Fault (DTC : 001)
(1) Indicator lamp check (0.6S)
(2) Lamp OFF (3S)
(3) Lamp ON (0.5S)
(4) Lamp OFF (0.5S)
(5) Lamp ON (0.5S)
(6) Lamp OFF (0.5S)
(7) Lamp ON (1S)
(8) Lamp OFF (3S)
(9) Repeat steps 3) - 8).

READING METHOD

Normal

Fault

DTC PATTERN

ACTIVE TORQUE TRANSFER (TOD)

DTC Memory Erase
DTC memory in case of the Active Torque Transfer type is erased by the Hi-Scan.

SELF-DIAGNOSIS PROCEDURE FOR EST(MANUAL)
1. Connect a Hi-scan to the self-diagnosis connector on the engine room OBD connector. (the lower inside of crash pad in driver's side)
2. Turn the ignition ON.
3. Select and operate according to the instructions on the Hi-scan screen.
(1) Select "KIA VEHICLE DIAGNOSIS".
(2) Select "VEHICLE NAME".
(3) Select "4WD SYSTEM".

(4) Select "4WD(EST-MANUAL)".

(5) Select "01.DIAGNOSTIC TROUBLE CODES".
It shows diagnostic trouble code list.

ERASE THE DIAGNOSTIC TROUBLE CODES FOR EST
1. Select and operate according to the instructions on the Hi-scan screen.
(1) Select "KIA VEHICLE DIAGNOSIS".
(2) Select "VEHICLE NAME".
(3) Select "4WD SYSTEM".
(4) Select "4WD(EST-MANUAL)".
(5) Select "01.DIAGNOSTIC TROUBLE CODES".

SELF-DIAGNOSIS PROCEDURE FOR TOD(AUTO)
1. Select and operate according to the instructions on the Hi-scan screen. procedures)

EST standard input and output value in TCCM

WARNING LAMP OPERATING CONDITIONS

DTC LIST AND FAIL SAFE

STANDARD INPUT AND OUTPUT VALUE IN TODCM