Nissan Frontier D22. Instruction — part 441
DTC P0335 CKP SENSOR (OBD)
EC-867
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
7.
CHECK INTERMITTENT INCIDENT
Refer to
EC-696, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
>> INSPECTION END.
EC-868
[VG33E]
DTC P0340 CMP SENSOR
DTC P0340 CMP SENSOR
PFP:22100
Component Description
UBS00DJS
The camshaft position sensor is a basic component of the engine
control system. It monitors engine speed and piston position. These
input signals to the ECM are used to control fuel injection, ignition
timing and other functions.
The camshaft position sensor has a rotor plate and a wave-forming
circuit. The rotor plate has 360 slits for a 1
° (POS) signal and 6 slits
for a 120
° (REF) signal. The wave-forming circuit consists of Light
Emitting Diodes (LED) and photo diodes.
The rotor plate is positioned between the LED and the photo diode.
The LED transmits light to the photo diode. As the rotor plate turns,
the slits cut the light to generate rough-shaped pulses. These pulses
are converted into on-off signals by the wave-forming circuit and
sent to the ECM.
The distributor is not repairable and must be replaced as an assem-
bly except distributor cap and rotor head.
NOTE:
The rotor screw which secures the distributor rotor head to the dis-
tributor shaft must be torqued properly.
On Board Diagnosis Logic
UBS00DJT
DTC Confirmation Procedure
UBS00DJU
NOTE:
●
Perform PROCEDURE FOR MALFUNCTION A first. If DTC cannot be confirmed, perform PROCE-
DURE FOR MALFUNCTION B AND C.
●
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait
at least 5 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V at idle.
PROCEDURE FOR MALFUNCTION A
With CONSULT-II
1.
Turn ignition switch ON.
: 3.6
±0.3 N·m (37±3 kg-cm, 32±3 in-lb)
SEF928V
SEF614B
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0340
Camshaft position sen-
sor circuit
A)
●
Either 1
° or 120° signal is not sent to ECM
for the first few seconds during engine
cranking.
●
Harness or connectors
(The CMP sensor circuit is open or
shorted)
●
Camshaft position sensor
●
Starter motor (Refer to
.)
●
Starting system circuit (Refer to
●
Dead (Weak) battery
B)
●
Either 1
° or 120° signal is not sent to ECM
often enough while the engine speed is
higher than the specified engine speed.
C)
●
The relation between 1
° and 120° signal is
not in the normal range during the specified
engine speed.
DTC P0340 CMP SENSOR
EC-869
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Crank engine for at least 2 seconds.
4.
If 1st trip DTC is detected, go to
EC-872, "Diagnostic Procedure"
.
With GST
Follow the procedure “With CONSULT-II”.
PROCEDURE FOR MALFUNCTION B AND C
With CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Start engine and run it for at least 2 seconds at idle speed.
4.
If 1st trip DTC is detected, go to
EC-872, "Diagnostic Procedure"
.
With GST
Follow the procedure “With CONSULT-II”.
SEF058Y
SEF058Y
EC-870
[VG33E]
DTC P0340 CMP SENSOR
Wiring Diagram
UBS00DJV
BBWA0482E
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