Nissan Rogue (T33) 2021-Present Service Manual: P14aa Charge Air Cooler Cooling Electric Water Pump
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P14AA |
Charge air cooler cooling electric W/P (Charge air cooler cooling electric water pump) |
Diagnosis condition |
|
| Signal (terminal) | — | ||
| Threshold | Pump response duty becomes 83 – 92% after maintaining 2 – 8% (pump side: under protection control) | ||
| Diagnosis delay time | 8 – 12 seconds | ||
POSSIBLE CAUSE
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Charge air cooler (CAC) coolant leakage
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CAC coolant is mixed in air.
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Protection control is activated during pump idle running.
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Charge air cooler electric water pump
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
PRECONDITIONING
NOTE:
When DTC Confirmation Procedure has been preciously conducted, always perform the following before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
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Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
NOTE:
Before performing this procedure, check that the battery voltage is more than 11 V during ignition switch ON.
-
Start the engine and warm it up to the normal operating temperature.
-
Wait at least 20 seconds.
-
Check 1st trip DTC.
Is DTC P14AA detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
CHECK COOLANT LEVEL
Check the coolant level at the charge air cooler (CAC) coolant reservoir tank. Refer to Inspection.
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
CHECK CAC COOLING SYSTEM FOR COOLANT LEAKAGE
Check CAC cooling system for coolant leakage. Refer to Inspection.
Is the inspection result normal?
YES-1>>With CONSULT: Refill coolant until the specified range. Refer to Refilling. And then, GO TO 4.
YES-2>>Without CONSULT: GO TO 3.
NO>>Repair or replace error-detected parts.
PERFORM DTC CONFIRMATION PROCEDURE
-
Erase DTC.
-
Perform DTC confirmation procedure. Refer to DTC Description.
Is the DTC P14AA detected again?
YES>>Replace charge air cooler electric water pump. Refer to Removal and Installation.
NO>>INSPECTION END
COMPONENT FUNCTION CHECK
With CONSULT
-
Start the engine.
-
On CONSULT screen, select “ENGINE”>>“Active Test”>>“Charge air cooler cooling electric water pump”.
-
Perform the test and check that the water pump 1 is activated.
Is the inspection result normal?
YES>>INSPECTION END (Protection mode operation)
NO>>Replace charge air cooler electric water pump. Refer to Removal and Installation.
Other materials:
System Description. System
Body Control System
System Description
OUTLINE
BCM (Body Control Module) controls the various electrical components.
It inputs the information required to the control from CAN
communication and the signal received from each switch and sensor.
BCM has combination switch reading function ...
Abs Branch Line Circuit
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
ABS actuator and electric unit (control u ...
Basic information
WARNING
Always confirm the liftgate of the Nissan Rogue is securely closed before driving.
Never drive with the liftgate open to prevent exhaust gases from entering the cabin.
Do not leave children, pets, or dependent persons inside the Nissan Rogue unattended.
Keep hands and feet clear of the ...