Nissan March K13. Instruction — part 192
P0643 SENSOR POWER SUPPLY
EC-229
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair short to ground or short to power in harness or connectors.
3.
CHECK CAMSHAFT POSITION SENSOR (PHASE)
Check camshaft position sensor (PHASE). Refer to
EC-202, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace camshaft position sensor (PHASE).
4.
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to
EC-187, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace electric throttle control actuator.
5.
CHECK APP SENSOR
Check app sensor. Refer to
EC-269, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace accelerator pedal assembly.
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-33, "Intermittent Incident"
.
>> Repair or replace malfunctioning part.
EC-230
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P0850 PNP SWITCH
P0850 PNP SWITCH
Description
INFOID:0000000005989315
When the selector lever position is Neutral position, park/neutral position (PNP) signal is ON.
DTC Logic
INFOID:0000000005989316
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
INSPECTION START
Do you have CONSULT-III?
Do you have CONSULT-III?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
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.
>> GO TO 3.
3.
CHECK PNP SIGNAL FUNCTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “P/N POSI SW” in “DATA MONITOR” mode with CONSULT-III. Then check “P/N POSI SW” signal
under the following conditions.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Go to
4.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Select “DATA MONITOR” mode with CONSULT-III.
2.
Start engine and warm it up to normal operating temperature.
3.
Maintain the following conditions for at least 50 consecutive seconds.
CAUTION:
Always drive vehicle at a safe speed.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0850
Park/neutral position
signal
The park/neutral position (PNP) signal is not
changed in the process of engine starting and
driving.
• Harness or connectors
[The park/neutral position (PNP) signal
circuit is open or shorted.]
• Park/neutral position (PNP) switch
Shift lever position
Known-good signal
Neutral position
ON
Except above position
OFF
ENG SPEED
1,500 - 6,375 rpm
COOLAN TEMP/S
More than 70
°
C (158
°
F)
B/FUEL SCHDL
3.0 - 31.8 msec
VHCL SPEED SE
More than 64 km/h (40 mph)
Shift lever
Suitable position
P0850 PNP SWITCH
EC-231
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
5.
PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to
EC-231, "Component Function Check"
.
NOTE:
Use component function check the overall function of the park/neutral position (PNP) signal circuit. During this
check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Component Function Check
INFOID:0000000005989317
1.
PERFORM COMPONENT FUNCTION CHECK
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000005989318
1.
CHECK PARK/NEUTRAL POSITION (PNP) SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect PNP switch harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between PNP switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
DETECT MALFUNCTIONING PART
Check harness for open or short between PNP switch and fuse.
Is the inspection result normal?
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between PNP switch harness connector and ECM harness connector.
ECM
Condition
Voltage
Connector
+
−
Terminal
Terminal
F8
69
(PNP signal)
108
Shift lever
Neutral
Battery voltage
Except above
Approx. 0 V
PNP switch
Ground
Voltage
Connector
Terminal
F22
2
Ground
Battery voltage
EC-232
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P0850 PNP SWITCH
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK PNP SWITCH
Check pnp switch. Refer to
TM-10, "PARK/NEUTRAL POSITION (PNP) SWITCH : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace PNP switch. Refer to
TM-14, "Removal and Installation"
.
5.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-33, "Intermittent Incident"
.
>> Repair or replace malfunctioning part.
PNP switch
ECM
Continuity
Connector
Terminal
Connector
Terminal
F22
3
F16
69
Existed
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