Nissan Rogue (T33) 2021-Present Service Manual: P2610 Ecm Internal Timer
DTC Description
DESCRIPTION
This ECM contains a timer and measures time between an ignition switch OFF and the next ignition switch ON. This enables the judging of the state of engine cooling at an engine start.
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P2610 | 00 |
ECM/PCM INTERNAL ENG OFF TIMER (ECM/PCM engine off timer performance) |
Diagnosis condition | — |
| Signal (terminal) | — | |||
| Threshold |
|
|||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
-
ECM
-
ECM power supply
FAIL-SAFE
Not applicable
DTC Confirmation Procedure
INSPECTION START
It is necessary to erase permanent DTC?
YES>>GO TO 4.
NO>>GO TO 2.
PRECONDITIONING
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 12 V or more under ignition switch OFF condition.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE-I
-
Turn ignition switch ON and wait at least 190 seconds.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>DTC Diagnosis Procedure
NO>>INSPECTION END
PRECONDITIONING
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
-
Before performing the following procedure, confirm that battery voltage is 12 V or more under ignition switch OFF condition.
-
Before performing the following procedure, check that fuel level is between 2/8 and 7/8.
>>
GO TO 5.
PERFORM DTC CONFIRMATION PROCEDURE-I
-
Turn ignition switch ON and wait at least 190 seconds.
-
Check 1st trip DTC.
Is 1st trip DTC detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>GO TO 6.
PERFORM DTC CONFIRMATION PROCEDURE-II
CAUTION:
To start this self-diagnosis, the conditions listed bellow are required to be satisfied. Perform the following steps to satisfy the conditions.
-
Engine coolant temperature decrease by 55°C (131°F) or more during the time between an ignition switch OFF (after engine warm-up) and the second ignition switch ON.
-
A fuel temperature at the second ignition switch ON is −5°C (23°F) or more and less than 35°C (95°F).
-
The temperature difference between engine coolant and fuel is 5°C (41°F) or more.
NOTE:
This self-diagnosis is not performed if the distance traveled is extremely short.
-
Turn ignition switch ON.
-
Start engine and warm it up to normal operating temperature.
-
Turn ignition switch OFF and soak the Nissan Ariya vehicle for at least 12 hours.
CAUTION:
-
Never turn ON the ignition switch during soaking.
-
Never open the fuel filler cap and perform refueling during soaking.
-
-
Turn ignition switch ON and wait at least 190 seconds.
-
Check 1st trip DTC.
Is 1st trip DTC 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 ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace error-detected parts.
CHECK SELF-DIAGNOSTIC RESULT
Check that DTCs related to the fuel system and the cooling system are not detected.
Is any DTC detected?
YES>>Check the DTC. Refer to DTC Index.
NO>>GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Erase DTC.
-
Perform DTC Confirmation Procedure again. Refer to DTC Description.
Is the 1st trip DTC P2610 displayed again?
YES>>Replace ECM. Refer to ECM : Removal & Installation.
NO>>INSPECTION END
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DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
B12A3-72
Fuel pump Off circuit
(Fuel pump OFF circuit)
[ACTUATOR STUCK OPEN]
Diagnosis condition
When ignition switch is ON
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Exploded View
1.
Terminal plate cover
2.
Terminal plate
3.
Terminal plate bracket
A.
Harness (rear)
B.
Harness (center)
C.
Harness (front)
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