TOD
17
8.6 GENERAL SYMPTOMS AND DIAGNOSIS
SR. NO.
PROBLEM
POSSIBLE CAUSES
REMEDY
1
Noise in 4X4
(AUTO)
operation
Oil level is lower than minimum
required.
Top- up with specified oil.
Loosen bolts and mounting parts. Re-tighten as specified.
Noisy transfer case bearings
Replace bearings.
Worn or damaged sprocket or
drive chain.
Dismantle the assembly and
check for wear and damage.
Replace if necessary.
Incorrect tire pressure.
Adjust tire pressure.
2
No front wheel drive
even after TOD
working fine.
Broken chain drive.
Replace broken chain and
check other parts, replace if
necessary.
3
Transfer case oil
leakage.
Cracked transfer case housing.
Replace the housing.
Leakage from other parts.
Clean case parts and check for
leakage.
Breather clogging.
Remove breather, clean the
same and replace if necessary.
Oil level higher than required or
improper brand of oil being used.
Use only specified oil and adjust
oil level.
Loosened sealing bolts
Re-tighten.
Improper brand of sealant or
improperly applied sealant.
Use specified sealant
(LOCTITE
RTV 598HB)
and apply it
properly.
Worn or damaged oil seal.
Replace oil seal.
4
Warning Lamp is
continuously ON
Ignition/Battery Fuse or Wire
Failure, Switch Failure, FAD
Failure, EMC Failure, CAN Failure
etc.
Read the Diagnostic Trouble
Codes using TML diagnostic
tool.
Please refer the TOD DTC
document.




