Nissan Rogue (T33) 2021-Present Service Manual: Kr15ddt :: Symptom Diagnosis. Overheating Cause Analysis
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 | 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 | Engine cooling fans | — | |
| High resistance to fan rotation | ||||
| Damaged fan blades | ||||
| Damaged radiator shroud | — | Radiator shroud | — | |
| Improper coolant mixture ratio | — | Coolant viscosity | — | |
| Poor coolant quality | — | Periodic maintenance | — | |
| Insufficient coolant | Coolant leaks | Cooling hose | Loose clamp | |
| Cracked hose | ||||
| Water pump | Poor sealing | |||
| Reservoir tank 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 | — | |
| Mud contamination or paper clogging | ||||
| Blocked bumper | ||||
| Blocked radiator | ||||
| Blocked condenser | ||||
| Installed large fog lamp | ||||
Other materials:
P06db Engine Oil Pressure Control Solenoid Valve
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P06DB
00
ENGINE OIL PRESSURE CONTROL
(Engine oil pressure control circuit low)
Diagnosis condition
—
Signal (terminal)
Engine oil pressure control so ...
Evtc Branch Line Circuit
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the electric intake valve
timing control module for damage, bend and loose connection (unit side
and connector side).
...
Symptom Diagnosis. Intelligent Key Interlock Function Does Not Operate
Diagnosis Procedure
CHECK VEHICLE SPECIFICATION
Check if vehicle equipped navigation system.
Is equipped navigation system?
YES>>
GO TO 2.
NO>>
GO TO 3.
CHECK LOG-IN FUNCTION
Check log-in function. Refer to System Description.
Is the inspection result normal?
YES>>
G ...