Nissan Rogue (T33) 2021-Present Service Manual: P0a1e Sub Starter & Generator
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P0A1E | 00 |
Starter/generator control module (Starter/generator control module) |
Diagnosis condition | Engine running at idle |
| Signal (terminal) | CAN communication signal | |||
| Threshold | Less than 5.5 V, or more than 17.5 V | |||
| Diagnosis delay time | 10 seconds or more | |||
POSSIBLE CAUSE
Sub starter & generator
FAIL-SAFE
Engine Control System
Not applicable
Stop/Start System
When a DTC is detected, the stop/start indicator lamp blinks slowly and the stop/start system operation is prohibited. When ECM detects error while operating the stop/start system, ECM restarts the engine.
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Start the engine and let it idle and wait for 10 seconds or more.
-
Perform “Self Diagnostic Result” mode of “ECM”.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: Inspection end.
Diagnosis Procedure
CHECK CAN COMMUNICATION CIRCUIT
Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.
Is inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace error-detected parts.
CHECK DTC WITH SUB STARTER & GENERATOR
Check DTC with sub starter & generator. Refer to CONSULT Function (SUB STARTER & GENERATOR).
Is DTC C1C90-49 detected?
YES>>GO TO 3.
NO>>Repair or replace error-detected parts.
CHECK SUB STARTER & GENERATOR
Check sub starter & generator. Refer to Diagnosis Procedure.
Is inspection result normal?
YES>>INSPECTION END
NO>>Repair or replace error-detected parts.
Other materials:
Basic Inspection
Work Procedure
INSPECTION START
Check service records for any recent repairs that may indicate a
related malfunction, or a current need for scheduled maintenance.
Open engine hood and check the following:
Harness connectors for improper connections
Wiring harness for imprope ...
Fuel information
Basic information
Use unleaded regular gasoline with an octane rating of at least 87 AKI (Anti-Knock Index) number (Research octane number 91), as recommended for your Nissan Rogue.
CAUTION
Using a fuel other than specified may negatively affect the emission control system of your Nissan Rogue an ...
Fuel Level Sensor Signal Circuit
Component Function Check
PERFORM COMPONENT FUNCTION CHECK (1)
Ignition switch OFF.
Disconnect fuel level sensor unit, fuel pump and FPCM (fuel level sensor) (main) harness connector.
Connect variable resistor between harness connector terminals located
on the Nissan Ariya vehicle s ...
