Nissan Quest E52. Instruction — part 543
EC-382
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
P1715 INPUT SPEED SENSOR (PRIMARY SPEED SENSOR)
P1715 INPUT SPEED SENSOR (PRIMARY SPEED SENSOR)
Description
INFOID:0000000009651233
ECM receives input speed sensor signal from TCM via the CAN communication line. ECM uses this signal for
engine control.
DTC Logic
INFOID:0000000009651234
DTC DETECTION LOGIC
NOTE:
• If DTC P1715 is displayed with DTC UXXXX first perform the trouble diagnosis for DTC UXXXX.
• If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer
• If DTC P1715 is displayed with DTC P0340, P0345, first perform the trouble diagnosis for DTC P0340,
P0345. Refer to
.
• If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer
• If DTC P1715 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
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.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine.
2.
Drive vehicle at a speed of more than 50 km/h (31 MPH) for at least 5 seconds.
3.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651235
1.
CHECK DTC WITH TCM
Check DTC with TCM. Refer to
.
Is the inspection result normal?
YES
NO
>> Perform trouble shooting relevant to DTC indicated.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1715
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
P1800 VIAS CONTROL SOLENOID VALVE 1
EC-383
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P1800 VIAS CONTROL SOLENOID VALVE 1
DTC Logic
INFOID:0000000009651236
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
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 battery voltage is more than 11 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for at least 5 seconds.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651237
1.
CHECK VIAS CONTROL SOLENOID VALVE 1 POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect VIAS control solenoid valve 1 harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between VIAS control solenoid valve 1 harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
2.
CHECK VIAS CONTROL SOLENOID VALVE 1 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between VIAS control solenoid valve 1 harness connector and ECM harness con-
nector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1800
VIAS control solenoid valve 1
circuit
An excessively low or high voltage signal
is sent to ECM through the VIAS control
solenoid valve 1.
• Harness or connectors
(The solenoid valve 1 circuit is open or
shorted.)
• VIAS control solenoid valve 1
VIAS control solenoid valve 1
Ground
Voltage
Connector
Terminal
F74
1
Ground
Battery voltage
VIAS control solenoid valve 1
ECM
Continuity
Connector
Terminal
Connector
Terminal
F74
2
F7
39
Existed
EC-384
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
P1800 VIAS CONTROL SOLENOID VALVE 1
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
3.
CHECK VIAS CONTROL SOLENOID VALVE 1
Check VIAS control solenoid valve 1. Refer to
EC-384, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Replace VIAS control solenoid valve 1. Refer to
.
Component Inspection
INFOID:0000000009651238
1.
CHECK VIAS CONTROL SOLENOID VALVE 1
With CONSULT
1.
Turn ignition switch OFF.
2.
Reconnect all harness connectors disconnected.
3.
Disconnect vacuum hoses connected to VIAS control solenoid valve 1.
4.
Turn ignition switch ON.
5.
Select “VIAS S/V-1” in “ACTIVE TEST” mode with CONSULT.
6.
Check air passage continuity and operation delay time under the
following conditions.
Without CONSULT
1.
Turn ignition switch OFF.
2.
Disconnect VIAS control solenoid valve 1 harness connector.
3.
Disconnect vacuum hoses connected to VIAS volume control solenoid valve 1.
4.
Check air passage continuity and operation delay time under the
following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace VIAS control solenoid valve 1. Refer to
.
Condition
(VIAS S/V-1)
Air passage continuity
between (A) and (B)
Air passage continuity
between (A) and (C)
ON
Existed
Not existed
OFF
Not existed
Existed
JMBIA0180ZZ
Condition
Air passage continuity
between (A) and (B)
Air passage continuity
between (A) and (C)
12 V direct current supply be-
tween terminals 1 and 2
Existed
Not existed
No supply
Not existed
Existed
PBIB2532E
P1801 VIAS CONTROL SOLENOID VALVE 2
EC-385
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
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M
A
EC
N
P
O
P1801 VIAS CONTROL SOLENOID VALVE 2
DTC Logic
INFOID:0000000009651239
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
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 battery voltage is more than 11 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for at least 5 seconds.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651240
1.
CHECK VIAS CONTROL SOLENOID VALVE 2 POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect VIAS control solenoid valve 2 harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between VIAS control solenoid valve 2 harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
2.
CHECK VIAS CONTROL SOLENOID VALVE 2 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between VIAS control solenoid valve 2 harness connector and ECM harness con-
nector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1801
VIAS control solenoid valve 2
circuit
An excessively low or high voltage signal
is sent to ECM through the VIAS control
solenoid valve 2.
• Harness or connectors
(The solenoid valve 2 circuit is open or
shorted.)
• VIAS control solenoid valve 2
VIAS control solenoid valve 2
Ground
Voltage
Connector
Terminal
F75
1
Ground
Battery voltage
VIAS control solenoid valve 2
ECM
Continuity
Connector
Terminal
Connector
Terminal
F75
2
F7
40
Existed
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