Nissan Rogue (T33) 2021-Present Service Manual: P2128 App Sensor
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | ||
| P2128 | 00 |
APP SEN 2/CIRC (Throttle/Pedal position sensor/switch E circuit high) |
Diagnosis condition | Engine running at idle |
| Signal (terminal) | Accelerator pedal position sensor 2 signal | |||
| Threshold | An excessively high voltage is sent to ECM | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
-
Harness or connectors
-
APP sensor 2 circuit is open or shorted.
-
Sensor power supply 2 circuit is shorted.
-
-
Accelerator pedal position sensor (APP sensor 2)
-
Sensor power supply 2 circuit
FAIL-SAFE
Engine Control System
| Fail safe mode | Nissan Ariya Vehicle behavior | |
|---|---|---|
| Device fix mode |
|
|
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
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.
>>
GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE
-
Start engine and let it idle for 1 second.
-
Check DTC.
Is 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 APP SENSOR 2 POWER SUPPLY
-
Turn ignition switch OFF.
-
Disconnect accelerator pedal position (APP) sensor harness connector.
-
Turn ignition switch ON.
-
Check the voltage between APP sensor harness connector and ground.
+ − Voltage
(Approx.)APP sensor Connector Terminal E25 2 Ground 5 V
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Refer to DTC Diagnosis Procedure.
Is inspection result normal?
YES>>Perform the trouble diagnosis for power supply circuit.
NO>>Repair or replace error-detected parts.
CHECK APP SENSOR 2 GROUND CIRCUIT
-
Turn ignition switch OFF.
-
Disconnect ECM harness connector.
-
Check the continuity between APP sensor harness connector and ECM harness connector.
+ − Continuity APP sensor ECM Connector Terminal Connector Terminal E25 6 E21 152 Existed -
Also check harness for short to power.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace error-detected parts.
CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT
-
Check the continuity between APP sensor harness connector and ECM harness connector.
+ − Continuity APP sensor ECM Connector Terminal Connector Terminal E25 1 E21 151 Existed -
Also check harness for short to ground and to power.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace error-detected parts
CHECK APP SENSOR
Check the APP sensor. Refer to Component Inspection.
Is the inspection result normal?
YES>>Check intermittent incident. Refer to Intermittent Incident.
NO>>Replace accelerator pedal assembly. Refer to Removal and Installation.
Other materials:
Preparation
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CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
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Diagnosis condition
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