Nissan Tiida C11. Manual — part 573
EC-942
< COMPONENT DIAGNOSIS >
[MR18DE]
P1706 PNP SWITCH
P1706 PNP SWITCH
Description
INFOID:0000000001161922
When the shift lever position is Neutral position, park/neutral position (PNP) switch is ON.
ECM detects the position because the continuity of the line (the ON signal) exists.
DTC Logic
INFOID:0000000001161923
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 SWITCH FUNCTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “P/N POSI SW” in “DATA MONITOR” mode with CONSULT-III. Then check the “P/N POSI SW” sig-
nal 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
P1706
Park/neutral position
switch
The signal of the park/neutral position (PNP)
switch is not changed in the process of engine
starting and driving.
• Harness or connectors
[The park/neutral position (PNP) switch
circuit is open or shorted.]
• Park/neutral position (PNP) switch
Position (Shift lever)
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
3.5 - 31.8 msec
P1706 PNP SWITCH
EC-943
< COMPONENT DIAGNOSIS >
[MR18DE]
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-943, "Component Function Check"
.
NOTE:
Use component function check the overall function of the park/neutral position (PNP) switch 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:0000000001161924
1.
PERFORM COMPONENT FUNCTION CHECK
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminal as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000001161925
1.
CHECK PNP SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Park/neutral position (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.
DTECTED MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between PNP switch and IPDM E/R
>> 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.
VHCL SPEED SE
More than 64 km/h (40 mph)
Shift lever
Suitable position
(+)
(–)
Condition
Voltage
Connector
Terminal
Connector
Terminal
F11
69
(PNP switch signal)
E16
108
Shift lever
Neutral
Approx. 0V
Except above
Battery voltage
PNP switch
Ground
Voltage
Connector
Terminal
F24
2
Ground
Battery voltage
EC-944
< COMPONENT DIAGNOSIS >
[MR18DE]
P1706 PNP SWITCH
2.
Disconnect ECM harness connector.
3.
Check the continuity between PNP switch 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 5.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK PNP SWITCH
TM-665, "PARK/NEUTRAL POSITION (PNP) SWITCH : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace PNP switch.
5.
CHECK INTERMITTENT INCIDENT
GI-55, "Intermittent Incident"
>> INSPECTION END
PNP switch
ECM
Continuity
Connector
Terminal
Connector
Terminal
F24
3
F11
69
Existed
P1805 BRAKE SWITCH
EC-945
< COMPONENT DIAGNOSIS >
[MR18DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P1805 BRAKE SWITCH
Description
INFOID:0000000001161929
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 driving.
DTC Logic
INFOID:0000000001161930
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
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.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001161931
1.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Check the stop lamp when depressing and releasing the brake pedal.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> GO TO 2
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Check the voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1805
Brake switch
A brake switch signal is not sent to ECM for ex-
tremely long time while the vehicle is driving.
• Harness or connectors
(Stop lamp switch circuit is open or short-
ed.)
• Stop lamp switch
Brake pedal
Stop lamp
Fully released
Not illuminated
Slightly depressed
Illuminated
Stop lamp switch
Ground
Voltage
Connector
Terminal
E13 (LHD models)
1
Ground
Battery voltage
M203 (RHD models)
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