Page 1893 - Foton Workshop Manual - Tunland (AT)

TRANSMISSION（6HP21） - TRANSFER CASE（4WD）
TABLE OF MALFUNCTION SYMPTOMS
The table below can help you to rapidly find out the required malfunction information.
In case of operational difficulty, it is recommended to stop the transfer case. In most cases,
to accurately detect the fault, it may be necessary to remove, disassemble or partially
disassemble the transfer case.
Malfunction Symptoms
Electronic gear shift defective
No front wheel driving under
4WD
Noise at high and low gears
under 4WD
41-41
Possible Cause Reference
Chapter 41
1. Electronic component Transmission(6HP21) -
(broken) Transfer Case Control Unit,
Replacement
Chapter 41
Transmission(6HP21) -
2. Electric motor (broken)
Transfer Case Control Unit,
Overhaul
Chapter 41
3. Electric clutch (broken or Transmission(6HP21) -
defective) Transfer Case Control Unit,
Overhaul
Chapter 41
4. Internal connection Transmission(6HP21) -
harness (broken or defective) Transfer Case Control Unit,
Overhaul
5. Gear shift cam, Chapter 41
engagement sleeve, locking Transmission(6HP21) -
sleeve, fork or shift shaft Transfer Case Control Unit,
(broken or worn) Overhaul
Chapter 41
6. Shift fork, locking sleeve or Transmission(6HP21) - 41
gear (glued) Transfer Case Control Unit,
Overhaul
Chapter 41
1. Transmission chain Transmission(6HP21) -
(broken) Transfer Case Control Unit,
Overhaul
Chapter 41
Transmission(6HP21) -
1. Sprocket (broken or worn)
Transfer Case Control Unit,
Overhaul
Chapter 41
Transmission(6HP21) -
2. Chain (broken or worn)
Transfer Case Control Unit,
Overhaul
Page 1893