OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
Symptom | Check items | |||
Cooling system parts malfunction | Poor heat transfer | Water pump malfunction | Worn or loose drive belt | — |
Thermostat stuck closed | Engine coolant circulation | |||
Damaged fins | Dust contamination or rock clogging | |||
Mechanical damage | ||||
Clogged radiator cooling tube | Excess foreign material (rust, dirt, sand, etc.) | |||
Reduced air flow | Cooling fan does not operate | Fan shroud and motor as- High resistance to fan rota- sembly | — | |
High resistance to fan rotation | ||||
Damaged fan blades | ||||
Damaged radiator shroud | — | Radiator shroud | — | |
Improper engine coolant mixture ratio | — | Engine coolant viscosity | — | |
Poor engine coolant quality | — | Periodic maintenance | — | |
Insufficient engine coolant | Engine coolant leaks | Cooling hose | Loose clamp | |
Cracked hose | ||||
Water pump | Poor sealing | |||
Radiator cap | Loose | |||
Poor sealing | ||||
Radiator | O-ring for damage, deterioration or improper fitting | |||
Cracked radiator tank | ||||
Cracked radiator core | ||||
Reservoir tank | Cracked reservoir tank | |||
Overflowing reservoir tank | Exhaust gas leaks into cooling system | Cylinder head deterioration | ||
Cylinder head gasket deterioration | ||||
Except cooling system parts malfunction |
— |
Overload on engine | Abusive driving | High engine rpm under no load |
Driving in low gear for extended time | ||||
Driving at extremely high speed | ||||
Powertrain system malfunction |
— |
|||
Installed improper size wheels and tires | ||||
Dragging brakes | ||||
Improper ignition timing | ||||
Blocked or restricted air flow | Blocked radiator grille | Installed car brassiere | — | |
Blocked bumper | ||||
Blocked radiator | ||||
Blocked condenser | Mud contamination or paper clogging | |||
Installed large fog lamp |
Symptom diagnosis
Audio system
Symptom table
Related to audio
Related to hands-free phone
Before performing diagnosis, confirm that the cellular phone being used
by the customer is compatible with
the vehicle.
It is possible that a malfunction is occurring due to a version change
of the phone ...
Storage pouch
A storage pouch is located on the front of the
driver’s and passenger’s seats.
WARNING
Do not store angular, sharp, heavy objects
or objects that cannot fully fit inside
the pouch because they might increase
the likelihood of an injury in a
crash.
To ensure ...
Cluster lid A
Removal and Installation
REMOVAL
Release cluster lid A clips and pawls using a suitable tool.
: Pawl
Metal clip
Remove cluster lid A.
INSTALLATION
Installation is in the reverse order of removal. ...