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:
Purge Pump
Exploded View
1.
Resonator hose 1
2.
Clamp
3.
Resonator
4.
Resonator bracket
5.
Purge pump
6.
Purge control valve hose 1
7.
Purge control valve hose 2
8.
Purge control valve
9.
Mounting rubber
10.
Purge control valve bracket 2
11.
...
Entry Assist Function
System Description
SYSTEM DIAGRAMSeveral types of signals are transmitted from the following units to the driver seat control unit via CAN communication.INPUT SIGNAL AND OUTPUT SIGNAL Component Signal
ABS actuator and electric unit (control unit)
Nissan Ariya Vehicle speed signal
BCM
...
Can Gateway. Basic Inspection. Additional Service When Replacing 8ch Can Gateway
Additional Service When Replacing 8ch Can Gateway
Work Procedure
DescriptionWhen replacing the 8CH gateway, perform "Procedure before replacing" and "Procedure after replacing"CAUTION:
Never reuse the parts which has been dropped
Dispose 8CH CAN gateway which is paired with Intelligent K ...