Nissan Murano: Dtc/circuit Diagnosis / P2135 Tp Sensor
DTC DETECTION LOGIC
Rationally incorrect voltage is sent to ECM compared with the signals from TP sensor 1 and TP sensor 2.
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P2135 |
TP SENSOR-B1 (Throttle/Pedal position sensor/switch “A” / “B” voltage correlation) |
Diagnosis condition | Start engine and let it idle |
| Signal (terminal) | TP sensor 1 signal and TP sensor 2 signal | ||
| Threshold | Rationally incorrect voltage is sent to ECM compared with the signals from TP sensor 1 and TP sensor 2 | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
-
Harness or connector
(TP sensor 1 or 2 circuit is open or shorted.)
-
Electric throttle control actuator
(TP sensor 1 or 2)
FAIL-SAFE
| Engine operating condition in fail-safe mode | ||
|---|---|---|
| Fail safe mode | Nissan Murano Vehicle behavior | |
| Throttle position sensor |
The ECM controls the electric throttle control actuator in regulating the throttle opening in order for the idle position to be within +10 degrees. The ECM regulates the opening speed of the throttle valve to be slower than the normal condition. Therefore, the acceleration will be poor. |
|
CHECK DTC PRIORITY
If DTC P2135 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Description.
NO>>GO TO 2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following 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 3.
PERFORM DTC CONFIRMATION PROCEDURE
-
Start engine and let it idle for 1 second.
-
Check DTC.
Is DTC detected?
YES>>Proceed to Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: INSPECTION END
CHECK DTC PRIORITY
If DTC P2135 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected?
YES>>Perform diagnosis of applicable. Refer to DTC Description.
NO>>GO TO 2.
CHECK THROTTLE POSITION SENSOR POWER SUPPLY
-
Disconnect electric throttle control actuator harness connector.
-
Turn ignition switch ON.
-
Check the voltage between electric throttle control actuator harness connector and ground.
+ − Voltage (Approx.) Electric throttle control actuator Connector Terminal F50 5 Ground 5 V
Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT
-
Turn ignition switch OFF.
-
Disconnect ECM harness connector.
-
Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F50 5 F79 98 Existed
Is the inspection result normal?
YES>>INSPECTION END
NO>>Repair or replace error-detected parts.
CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT
-
Turn ignition switch OFF.
-
Disconnect ECM harness connector.
-
Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F50 4 F79 75 Existed -
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair open circuit, short to ground or short to power in harness or connectors.
CHECK THROTTLE POSITION SENSOR INPUT SIGNAL CIRCUIT
-
Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
Electric throttle control actuator ECM Continuity Connector Terminal Connector Terminal F50 3 F79 72 Existed 6 71 -
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES>>GO TO 6.
NO>>Repair open circuit, short to ground or short to power in harness or connectors.
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to Component Inspection.
Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace electric throttle control actuator. Refer to Removal and Installation.
CHECK THROTTLE POSITION SENSOR
-
Turn ignition switch OFF.
-
Reconnect all harness connectors disconnected.
-
Perform Description.
-
Turn ignition switch ON.
-
Shift selector lever position to D.
-
Check the voltage between ECM harness connector terminals under the following conditions.
ECM Condition Voltage Connector + – Terminal F79 71 75 Accelerator pedal Fully released More than 0.36 V Fully depressed Less than 4.75 V 72 Fully released Less than 4.75 V Fully depressed More than 0.36 V
Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace electric throttle control actuator. Refer to Removal and Installation.
P2127 App Sensor
DTC Description
DTC DETECTION LOGIC
An excessively low voltage from the APP sensor 2 is sent to ECM.
An excessively high voltage from the APP sensor 2 is sent to ECM...
P2138 App Sensor
DTC Description
DTC DETECTION LOGICRationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2. DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2138
APP SENSOR
(Throttle/Pedal position sensor/switch “D” / “E” voltage correlation)
Diagnosis condition
Start engine and let it idle
Signal (terminal)
APP sensor 1 signal and APP sensor 2 signal
Threshold
Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2
Diagnosis delay time
—
POSSIBLE CAUSE
Harness or connector
(APP sensor 1 or 2 circuit is open or shorted...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: U0101 Can Comm Circuit
DTC Description DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real time application. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability...
Nissan Murano (Z52) 2015-2024 Service Manual: Can Communication System
System Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a Nissan Murano vehicle, and each control unit shares information and links with other control units during operation (not independent)...
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