Infiniti G35 (V35) Sedan. Manual — part 527
EC-254
< COMPONENT DIAGNOSIS >
[VQ35HR]
P0335 CKP SENSOR (POS)
P0335 CKP SENSOR (POS)
Description
INFOID:0000000000956642
The crankshaft position sensor (POS) is located on the cylinder
block facing the gear teeth (cogs) of the signal plate. It detects the
fluctuation of the engine revolution.
The sensor consists of a permanent magnet and Hall IC.
When the engine is running, the high and low parts of the teeth
cause the gap with the sensor to change.
The changing gap causes the magnetic field near the sensor to
change.
Due to the changing magnetic field, the voltage from the sensor
changes.
The ECM receives the voltage signal and detects the fluctuation of
the engine revolution.
ECM receives the signals as shown in the figure.
DTC Logic
INFOID:0000000000956643
DTC DETECTION LOGIC
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.
JMBIA0062ZZ
JMBIA0001GB
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0335
Crankshaft position sen-
sor (POS) circuit
• The crankshaft position sensor (POS) signal
is not detected by the ECM during the first
few seconds of engine cranking.
• The proper pulse signal from the crankshaft
position sensor (POS) is not sent to ECM
while the engine is running.
• The crankshaft position sensor (POS) signal
is not in the normal pattern during engine run-
ning.
• Harness or connectors
[CKP sensor (POS) circuit is open or
shorted.]
[CMP sensor (PHASE) (bank 2) circuit is
shorted.]
[EVT control position sensor (bank 2) cir-
cuit is shorted.]
(Battery current sensor circuit is shorted.)
(APP sensor 2 circuit is shorted.)
(EVAP control system pressure sensor
circuit is shorted.)
(Refrigerant pressure sensor circuit is
shorted.)
• Crankshaft position sensor (POS)
• Camshaft position sensor (PHASE)
(bank 2)
• Exhaust valve timing control position sen-
sor (bank 2)
• Battery current sensor
• Accelerator pedal position sensor
• EVAP control system pressure sensor
• Refrigerant pressure sensor
• Signal plate
P0335 CKP SENSOR (POS)
EC-255
< COMPONENT DIAGNOSIS >
[VQ35HR]
C
D
E
F
G
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EC
N
P
O
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V with igni-
tion switch ON.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for at least 5 seconds.
If engine does not start, crank engine for at least 2 seconds.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000956644
1.
CHECK GROUND CONNECTION
1.
Turn ignition switch OFF.
2.
Check ground connection M95. Refer to Ground Inspection in
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT-I
1.
Disconnect crankshaft position (CKP) sensor (POS) harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between CKP sensor (POS) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 3.
3.
CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT-II
1.
Turn ignition switch ON.
2.
Disconnect ECM harness connector.
3.
Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit.
4.
CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
CKP sensor (POS)
Ground
Voltage
Connector
Terminal
F2
1
Ground
Approx. 5V
CKP sensor (POS)
ECM
Continuity
Connector
Terminal
Connector
Terminal
F2
1
F101
46
Existed
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
F101
46
CKP sensor (POS)
F2
1
EC-256
< COMPONENT DIAGNOSIS >
[VQ35HR]
P0335 CKP SENSOR (POS)
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair short to ground or short to power in harness or connectors.
5.
CHECK COMPONENTS
Check the following.
• Camshaft position sensor (PHASE) (bank 2) (Refer to
EC-262, "Component Inspection"
• Exhaust valve timing control position sensor (bank 2) (Refer to
EC-350, "Component Inspection"
.)
• Battery current sensor (Refer to
EC-381, "Component Inspection"
.)
• EVAP control system pressure sensor (Refer to
EC-298, "Component Inspection"
.)
• Refrigerant pressure sensor (Refer to
HAC-92, "Component Inspection"
.)
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace malfunctioning component.
6.
CHECK APP SENSOR
EC-427, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> GO TO 7.
7.
REPLACE ACCELERATOR PEDAL ASSEMBLY
1.
Replace accelerator pedal assembly.
2.
Go to
EC-427, "Special Repair Requirement"
.
>> INSPECTION END
8.
CHECK CKP SENSOR (POS) GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between CKP sensor (POS) 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 9.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
9.
CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
F102
64
CMP sensor (PHASE) (bank 2)
F18
1
EVT control position sensor (bank 2)
F19
1
Battery current sensor
E21
1
M107
103
APP sensor
E112
6
107
EVAP control system pressure sensor
B252
3
111
Refrigerant pressure sensor
E77
3
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
CKP sensor (POS)
ECM
Continuity
Connector
Terminal
Connector
Terminal
F2
2
F101
47
Existed
P0335 CKP SENSOR (POS)
EC-257
< COMPONENT DIAGNOSIS >
[VQ35HR]
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2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.
CHECK CRANKSHAFT POSITION SENSOR (POS)
EC-257, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Replace crankshaft position sensor (POS).
11.
CHECK GEAR TOOTH
Visually check for chipping signal plate gear tooth.
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Replace the signal plate.
12.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000000956645
1.
CHECK CRANKSHAFT POSITION SENSOR (POS)-I
1.
Turn ignition switch OFF.
2.
Loosen the fixing bolt of the sensor.
3.
Disconnect crankshaft position sensor (POS) harness connector.
4.
Remove the sensor.
5.
Visually check the sensor for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace crankshaft position sensor (POS).
2.
CHECK CRANKSHAFT POSITION SENSOR (POS)-II
Check resistance between crankshaft position sensor (POS) terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace crankshaft position sensor (POS).
CKP sensor (POS)
ECM
Continuity
Connector
Terminal
Connector
Terminal
F2
3
F101
37
Existed
JMBIA0063ZZ
Terminals (Polarity)
Resistance
1 (+) - 2 (-)
Except 0 or
∞
Ω
[at 25
°
C (77
°
F)]
1 (+) - 3 (-)
2 (+) - 3 (-)
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