Nissan Qashqai J11. Manual — part 348
P2138 APP SENSOR
ECM-369
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
ECM
N
P
O
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 6.
6.
CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between APP sensor harness connector and ECM harness connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace malfunctioning part.
7.
CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform
ECM-392, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace malfunctioning part.
8.
CHECK APP SENSOR 1 GROUND CIRCUIT
1.
Turn ignition switch OFF.
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 power.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace malfunctioning part.
9.
CHECK APP SENSOR 2 GROUND CIRCUIT
1.
Turn ignition switch OFF.
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 power.
+
−
Voltage
(Approx.)
APP sensor
Connector
Terminal
E20
5
Ground
5 V
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
5
E57
118
Existed
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
2
E57
127
Existed
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
1
E57
120
Existed
ECM-370
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
P2138 APP SENSOR
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace malfunctioning part.
10.
CHECK ECM GROUND CIRCUIT
Check the continuity between ECM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace malfunctioning part.
11.
CHECK APP SENSOR INPUT SIGNAL CIRCUIT
1.
Check the continuity between APP sensor harness connector and ECM harness connector.
2.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Repair or replace malfunctioning part.
12.
CHECK APP SENSOR
Check the APP sensor. Refer to
ECM-370, "Component Inspection"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accelerator pedal assembly. Refer to
ACC-3, "Removal and Installation"
Component Inspection
INFOID:0000000010703058
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1.
Turn ignition switch OFF.
2.
Reconnect all harness connectors disconnected.
3.
Turn ignition switch ON.
4.
Check the voltage between ECM harness connector terminals as per the following condition.
+
−
Continuity
ECM
Connector
Terminal
F15
11
Ground
Existed
E57
123
125
128
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E20
3
E57
126
Existed
6
119
P2138 APP SENSOR
ECM-371
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
ECM
N
P
O
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accelerator pedal assembly. Refer to
ACC-3, "Removal and Installation"
ECM
Condition
Voltage
Connector
+
–
Terminal
E57
126
127
Accelerator pedal
Fully released
0.6 - 0.9 V
Fully depressed
3.9 - 4.7 V
119
120
Fully released
0.3 - 0.6 V
Fully depressed
1.95 - 2.4 V
ECM-372
< DTC/CIRCUIT DIAGNOSIS >
[MR20DD]
FUEL INJECTOR
FUEL INJECTOR
Component Function Check
INFOID:0000000010703059
1.
INSPECTION START
Turn ignition switch to START.
Are any cylinders ignited?
YES
>> GO TO 2.
NO
>> Proceed to
ECM-372, "Diagnosis Procedure"
.
2.
CHECK FUEL INJECTOR FUNCTION
With CONSULT
1.
Start engine.
2.
Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT.
3.
Check that each circuit produces a momentary engine speed drop.
Without CONSULT
1.
Start engine and let it idle.
2.
Listen to each fuel injector operating sound.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
ECM-372, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010703060
1.
CHECK FUEL INJECTOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect fuel injector harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between fuel injector harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 2.
2.
CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between fuel injector harness connector and ECM harness connector.
Clicking sound should be heard.
PBIB3332E
+
−
Voltage
Fuel injector
Cylinder
Connector
Terminal
1
F29
1
Ground
Battery voltage
2
F30
1
3
F31
1
4
F32
1
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст