Nissan Rogue (T33) 2021-Present Service Manual: P05ec Cold Start Control
DTC Description
ECM controls fuel injection timing and fuel injection quantity when engine is started with the engine cold.
This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P05EC | 00 |
COLD START CONTROL (COLD START CONTROL) |
Diagnosis condition | — |
| Signal (terminal) | — | |||
| Threshold | ECM does not control fuel injection timing properly when engine is started with the engine cold | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
ECM
FAIL-SAFE
Not applicable
CONFIRMATION PROCEDURE
CHECK DTC PRIORITY
If DTC P05EC is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Turn ignition switch OFF and wait at least 10 seconds.
>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON.
-
Select “DATA MONITOR” mode of “ENGINE” using CONSULT.
-
Check that “COOLANT TEMP/S”.
-
If it is between 5°C (41°F) and 40°C (104°F) go to the following steps.
-
If it is below 5°C (41°F) warm engine up to more than 5°C (41°F) and retry from step 1.
-
If it is above 40°C (104°F) cool engine down to less than 40°C (104°F) and retry from step 1.
-
-
Start engine and let it idle for 5 minutes.
-
Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?
YES>>Refer 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 DTC PRIORITY
If DTC P05EC is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Index.
NO>>GO TO 2.
INSPECTION START
-
Turn ignition switch ON.
-
Erase DTC.
-
Perform DTC confirmation procedure. Refer to DTC Description.
-
Check 1st trip DTC.
Is the 1st trip DTC P05EC displayed again?
YES>>Replace ECM. Refer to ECM : Removal & Installation.
NO>>INSPECTION END
Other materials:
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Description
The low tire pressure location indicator continues displaying though low tire pressure warning lamp turns/stays OFF.
Diagnosis Procedure
CHECK TIRE PRESSURE
Ignition switch ON.
CAUTION:
Never start the engine.
Check the tire pressure for all wheels and adjust to the spec ...
P0078 Evt Control Solenoid Valve
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0078
00
EX V/T ACT/CIRC-B1
(Exhaust valve control solenoid circuit bank 1)
Diagnosis condition
Engine running
Signal (terminal)
Exhaust valve timing c ...
Informations de base
AVERTISSEMENT
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