Nissan Altima L32. Instruction — part 452
P2127, P2128 APP SENSOR
EC-929
< COMPONENT DIAGNOSIS >
[QR25DE EXCEPT FOR CALIFORNIA]
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2. Disconnect ECM harness connector.
3. Check the continuity between APP sensor harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.
CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between APP sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.
CHECK APP SENSOR
EC-929, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 9.
9.
REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to
EC-930, "Special Repair Requirement"
.
>> INSPECTION END
10.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000004349917
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector and
ground.
APP sensor
ECM
Continuity
Connector
Terminal Connector
Terminal
E40
2
E10
100
Existed
APP sensor
ECM
Continuity
Connector
Terminal Connector
Terminal
E40
1
E10
82
Existed
PBIB3604E
EC-930
< COMPONENT DIAGNOSIS >
[QR25DE EXCEPT FOR CALIFORNIA]
P2127, P2128 APP SENSOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Go to
EC-930, "Special Repair Requirement"
.
>> INSPECTION END
Special Repair Requirement
INFOID:0000000004349918
1.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to
EC-565, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
>> GO TO 2.
2.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
EC-565, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"
.
>> GO TO 3.
3.
PERFORM IDLE AIR VOLUME LEARNING
EC-566, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"
>> END
ECM
Grou
nd
Condition
Voltage
Connec-
tor
Terminal
E40
81
(APP sensor
1 signal)
Grou
nd
Accelerator
pedal
Fully released
0.5 - 1.0V
Fully depressed
4.2 - 4.8V
82
(APP sensor
2 signal)
Fully released
0.25 - 0.5V
Fully depressed
2.0 - 2.5V
P2135 TP SENSOR
EC-931
< COMPONENT DIAGNOSIS >
[QR25DE EXCEPT FOR CALIFORNIA]
C
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EC
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P2135 TP SENSOR
Description
INFOID:0000000004349919
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has two sensors. These sensors are a
kind of potentiometers which transform the throttle valve position into
output voltage, and emit the voltage signal to the ECM. In addition,
these sensors detect the opening and closing speed of the throttle
valve and feed the voltage signals to the ECM. The ECM judges the
current opening angle of the throttle valve from these signals and the
ECM controls the throttle control motor to make the throttle valve
opening angle properly in response to driving condition.
DTC Logic
INFOID:0000000004349920
DTC DETECTION LOGIC
NOTE:
If DTC P2135 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 1 second.
2. Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000004349921
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E9. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT-I
1. Disconnect electric throttle control actuator harness connector.
PBIB0145E
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2135
Throttle position sensor
circuit range/perfor-
mance
Rationally incorrect voltage is sent to ECM
compared with the signals from TP sensor 1
and TP sensor 2.
• Harness or connector
(TP sensor 1 and 2 circuit is open or
shorted.)
• Electric throttle control actuator
(TP sensor 1 and 2)
EC-932
< COMPONENT DIAGNOSIS >
[QR25DE EXCEPT FOR CALIFORNIA]
P2135 TP SENSOR
2. Turn ignition switch ON.
3. Check the voltage between electric throttle control actuator har-
ness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between electric throttle control actuator harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit.
4.
CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between electric throttle control actuator harness connector and ground.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK THROTTLE POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between electric throttle control actuator harness connector and ground.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK THROTTLE POSITION SENSOR
EC-933, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 8.
Electric throttle control actuator
Ground
Voltage
Connector
Terminal
F57
1
Ground
Approx. 5V
PBIB3484E
Electric throttle control actuator
ECM
Continuity
Connector
Terminal
Connector
Terminal
F57
1
F13
47
Existed
Electric throttle control actuator
ECM
Continuity
Connector
Terminal
Connector
Terminal
F57
4
F13
36
Existed
Electric throttle control actuator
ECM
Continuity
Connector
Terminal
Connector
Terminal
F57
2
F13
37
Existed
3
38
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