Nissan Pathfinder (2011 year). Manual — part 287
EC-350
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
P1572 ASCD BRAKE SWITCH
4. Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 6.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK ASCD BRAKE SWITCH
EC-351, "Component Inspection"
OK or NG
OK
>> GO TO 11.
NG
>> Replace ASCD brake switch. Refer to
BR-23, "Removal and Installation"
.
7.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch terminal 1 and ground
with CONSULT-III or tester.
OK or NG
OK
>> GO TO 9.
NG
>> GO TO 8.
8.
DETECT MALFUNCTIONING PART
Check the following.
• Fuse block (J/B) connector E160
• 10 A fuse (No.20)
• Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
9.
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 2.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 10.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.
CHECK STOP LAMP SWITCH
BBIA0560E
Voltage: Battery voltage
PBIB1184E
Continuity should exist.
2011 Pathfinder
P1572 ASCD BRAKE SWITCH
EC-351
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
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EC-351, "Component Inspection"
OK or NG
OK
>> GO TO 11.
NG
>> Replace stop lamp switch. Refer to
BR-23, "Removal and Installation"
.
11.
CHECK INTERMITTENT INCIDENT
GI-37, "Intermittent Incident"
.
>>
INSPECTION END
Component Inspection
INFOID:0000000006244084
ASCD BRAKE SWITCH
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.
3. Check harness continuity between ASCD brake switch terminals
1 and 2 under the following conditions.
If NG, adjust ASCD brake switch installation, refer to
"Inspection and Adjustment - Standard Pedal"
and perform step
3 again.
STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check harness continuity between stop lamp switch terminals 1
and 2 under the following conditions.
If NG, adjust stop lamp switch installation, refer to
"Inspection and Adjustment - Standard Pedal"
, and perform step
3 again.
Condition
Continuity
When brake pedal: Fully released.
Should exist.
When brake pedal: Slightly depressed.
Should not exist.
SEC023D
Condition
Continuity
When brake pedal: Fully released.
Should not exist.
When brake pedal: Slightly depressed.
Should exist.
PBIB1185E
2011 Pathfinder
EC-352
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
P1715 INPUT SPEED SENSOR
P1715 INPUT SPEED SENSOR
Description
INFOID:0000000006244089
ECM receives input speed sensor signal from TCM through CAN communication line. ECM uses this signal for
engine control.
On Board Diagnosis Logic
INFOID:0000000006244090
NOTE:
•
If DTC P1715 is displayed with DTC UXXXX first perform the trouble diagnosis for DTC UXXXX.
•
If DTC P1715 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer
EC-310, "On Board Diagnosis Logic"
.
•
If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer
EC-219, "Component Description"
•
If DTC P1715 is displayed with DTC P0340, P0345 first perform the trouble diagnosis for DTC P0340,
P0345. Refer to
EC-223, "Component Description"
•
If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer
EC-308, "Component Description"
The MIL will not illuminates for this diagnosis.
Diagnosis Procedure
INFOID:0000000006244091
1.
CHECK DTC WITH TCM
Check DTC with TCM. Refer to
TM-34, "OBD-II Diagnostic Trouble Code (DTC)"
OK or NG
OK
>> GO TO 2.
NG
>> Perform trouble shooting relevant to DTC indicated.
2.
REPLACE TCM
Replace TCM. Refer to
TM-174, "Removal and Installation"
>>
INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1715
1715
Input speed sensor
(TCM output)
Input speed sensor signal is different from
the theoretical value calculated by ECM
from output speed sensor signal and en-
gine rpm signal.
• Harness or connectors
(The CAN communication line is open or short-
ed)
• Harness or connectors
(Input speed sensor circuit is open or shorted)
• TCM
2011 Pathfinder
P1800 VIAS CONTROL SOLENOID VALVE 1
EC-353
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
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P1800 VIAS CONTROL SOLENOID VALVE 1
Component Description
INFOID:0000000006244092
The VIAS control solenoid valve cuts the intake manifold vacuum
signal for power valve control. It responds to ON/OFF signals from
the ECM. When the solenoid is off, the vacuum signal from the
intake manifold is cut. When the ECM sends an ON signal the coil
pulls the plunger downward and sends the vacuum signal to the
power valve actuator.
On Board Diagnosis Logic
INFOID:0000000006244093
The MIL will not illuminate for this self-diagnosis.
DTC Confirmation Procedure
INFOID:0000000006244094
NOTE:
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next step.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is between 11V at idle.
1. Start engine and let it idle for at least 5 seconds.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to
Diagnosis Procedure
INFOID:0000000006244095
1.
CHECK VIAS CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect VIAS control solenoid valve harness connector.
3. Turn ignition switch ON.
BBIA0569E
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1800
1800
VIAS control solenoid valve cir-
cuit
An excessively low or high voltage signal
is sent to ECM through the valve
• Harness or connectors
(The solenoid valve circuit is open or
shorted.)
• VIAS control solenoid valve
BBIA0569E
2011 Pathfinder
EC-354
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
P1800 VIAS CONTROL SOLENOID VALVE 1
4. Check voltage between terminal 1 and ground with CONSULT-
III or tester.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E2, F32
• Harness for open or short between VIAS control solenoid valve and IPDM E/R
• Harness for open or short between VIAS control solenoid valve and ECM
>> Repair harness or connectors.
3.
CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 29 and VIAS control solenoid valve terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK VIAS CONTROL SOLENOID VALVE
EC-354, "Component Inspection"
OK or NG
OK
>> GO TO 5.
NG
>> Replace VIAS control solenoid valve. Refer to
EM-27, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
GI-37, "Intermittent Incident"
>>
INSPECTION END
Component Inspection
INFOID:0000000006244096
VIAS CONTROL SOLENOID VALVE
With CONSULT-III
1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform “VIAS SOL VALVE” in “ACTIVE TEST” mode.
Voltage: Battery voltage
PBIB0173E
Continuity should exist.
2011 Pathfinder
P1800 VIAS CONTROL SOLENOID VALVE 1
EC-355
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
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4. Check air passage continuity and operation delay time under the
following conditions.
Operation takes less than 1 second.
With GST
Check air passage continuity and operation delay time under the fol-
lowing conditions.
Operation takes less than 1 second.
Condition
VIAS SOL VALVE
Air passage continuity
between (A) and (B)
Air passage continuity
between (A) and (C)
ON
Yes
No
OFF
No
Yes
JMBIA0180ZZ
Condition
Air passage continuity
between (A) and (B)
Air passage continuity
between (A) and (C)
12V direct current supply
between terminals 1 and 2
Yes
No
No supply
No
Yes
PBIB2532E
2011 Pathfinder
EC-356
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
P1805 BRAKE SWITCH
P1805 BRAKE SWITCH
Description
INFOID:0000000006244097
Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is being driven.
On Board Diagnosis Logic
INFOID:0000000006244098
The MIL will not illuminate for this diagnosis.
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode.
DTC Confirmation Procedure
INFOID:0000000006244099
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase the DTC with CONSULT-III.
4. Check 1st trip DTC.
5. If 1st trip DTC is detected, go to
Diagnosis Procedure
INFOID:0000000006244100
1.
CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Check the stop lamp when depressing and releasing the brake pedal.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1805
1805
Brake switch
A brake switch signal is not sent to ECM for ex-
tremely long time while the vehicle is being driv-
en.
• Harness or connectors
(Stop lamp switch circuit is open or short-
ed.)
• Stop lamp switch
Engine operating condition in fail-safe mode
ECM controls the electric throttle control actuator by regulating the throttle opening to a small range.
Therefore, acceleration will be poor.
Vehicle condition
Driving condition
When engine is idling
Normal
When accelerating
Poor acceleration
Brake pedal
Stop lamp
Fully released
Not illuminated
Slightly depressed
Illuminated
2011 Pathfinder
P1805 BRAKE SWITCH
EC-357
< DTC/CIRCUIT DIAGNOSIS >
[VQ40DE]
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1. Disconnect stop lamp switch harness connector.
2. Check voltage between stop lamp switch terminal 1 and ground
with CONSULT-III or tester.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
• 10A fuse
• Fuse block (J/B) connector E160
• Harness for open and short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Disconnect stop lamp switch harness connector.
3. Check harness continuity between ECM terminal 101 and stop
lamp switch terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 5.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
5.
CHECK STOP LAMP SWITCH
EC-358, "Component Inspection"
OK or NG
OK
>> GO TO 6.
NG
>> Replace stop lamp switch. Refer to
BR-23, "Removal and Installation"
.
6.
CHECK INTERMITTENT INCIDENT
GI-37, "Intermittent Incident"
.
>>
INSPECTION END
BBIA0560E
Voltage: Battery voltage
PBIB1184E
Continuity should exist.
BBIA0560E
2011 Pathfinder
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