Nissan X-Trail 32. Instruction — part 910
P2138 APP SENSOR
EC-769
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
YES
>> INSPECTION END
NO
>> Replace accelerator pedal assembly. Refer to
E C -7 7 0
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
BRAKE PEDAL POSITION SWITCH
BRAKE PEDAL POSITION SWITCH
Component Function Check
INFOID:0000000010986477
1.
CHECK BRAKE PEDAL POSITION SWITCH FUNCTION
With CONSULT
1.
Turn ignition switch ON.
2.
Select “BRAKE SW1” in “DATA MONITOR” mode with CONSULT.
3.
Check “BRAKE SW1” indication as per the following conditions.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000010986478
1.
CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect brake pedal position switch harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between brake pedal position switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuse block (J/B) harness connector.
3.
Check the continuity between brake pedal position switch harness connector and fuse block (J/B) harness
connector.
Monitor item
Condition
Indication
BRAKE SW1
Brake pedal
Slightly depressed
OFF
Fully released
ON
ECM
Condition
Voltage
Connector
+
–
Terminal
E60
116
128
Brake pedal
Slightly depressed
Approx. 0 V
Fully released
Battery voltage
+
-
Voltage
Brake pedal position switch
Connector
Terminal
E112
1
Ground
Battery voltage
+
+
Continuity
Brake pedal position switch
Fuse block (J/B)
Connector
Terminal
Connector
Terminal
E112
1
M2
16B
Existed
BRAKE PEDAL POSITION SWITCH
EC-771
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
3.
CHECK BRAKE PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between brake pedal position switch harness connector and ECM harness connec-
tor.
4.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
4.
CHECK BRAKE PEDAL POSITION SWITCH
Check brake pedal position switch. Refer to
EC-771, "Component Inspection (Brake Pedal Position Switch)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> Replace brake pedal position switch. Refer to
Component Inspection (Brake Pedal Position Switch)
INFOID:0000000010986479
1.
CHECK BRAKE PEDAL POSITION SWITCH-1
1.
Turn ignition switch OFF.
2.
Disconnect brake pedal position harness connector.
3.
Check the continuity between brake pedal position switch terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK BRAKE PEDAL POSITION SWITCH-2
1.
Adjust brake pedal position switch installation. Refer to
BR-22, "Inspection and Adjustment"
.
2.
Check the continuity between brake pedal position switch terminals as per the following conditions.
Is the inspection result normal?
+
+
Continuity
Brake pedal position switch
ECM
Connector
Terminal
Connector
Terminal
E112
2
E60
116
Existed
Brake pedal position switch
Condition
Continuity
+
−
Terminals
1
2
Brake pedal
Fully released
Existed
Slightly de-
pressed
Not existed
Brake pedal position switch
Condition
Continuity
+
−
Terminals
1
2
Brake pedal
Fully released
Existed
Slightly de-
pressed
Not existed
EC-772
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
BRAKE PEDAL POSITION SWITCH
YES
>> INSPECTION END
NO
>> Replace brake pedal position switch. Refer to
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