Nissan Primera P11. Manual — part 269
4
DETECT MALFUNCTIONING PART
Check the following.
I
Harness for open or short between throttle position switch and ECM
I
Harness for open or short between throttle position switch and TCM (Transmission control module)
©
Repair open circuit or short to ground or short to power in harness or connectors.
5
ADJUST THROTTLE POSITION SWITCH IDLE POSITION
Perform Basic Inspection, EC-SR-84.
©
GO TO 6.
6
CHECK CLOSED THROTTLE POSITION SWITCH
Refer to “Component Inspection”, EC-SR-276.
OK or NG
OK
©
GO TO 7.
NG
©
Replace throttle position switch.
7
CHECK THROTTLE POSITION SENSOR
Refer to “Component Inspection”, EC-SR-142.
OK or NG
OK
©
GO TO 8.
NG
©
Replace throttle position sensor.
8
CHECK INTERMITTENT INCIDENT
Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-SR-114.
©
INSPECTION END
DTC P0510 CLOSED THROTTLE POSITION SWITCH
(IF SO EQUIPPED)
SR20DE
Diagnostic Procedure (Cont’d)
EC-275
Component Inspection
NCEC0294
CLOSED THROTTLE POSITION SWITCH
NCEC0294S01
With CONSULT-II
1)
Start engine and warm it up to normal operating temperature.
2)
Stop engine and turn ignition switch “ON”.
3)
Select “DATA MONITOR” mode with CONSULT-II.
4)
Check indication of “CLSD THL/P SW” under the following
conditions.
NOTE:
Measurement must be made with closed throttle position
switch installed in vehicle.
Throttle valve conditions
CLSD THL/P SW
Completely closed
ON
Partially open or completely open
OFF
If NG, adjust closed throttle position switch. Refer to “Basic
Inspection”, EC-SR-84.
5)
If it is impossible to adjust closed throttle position switch in
“Basic Inspection”, replace closed throttle position switch.
Without CONSULT-II
1)
Start engine and warm it up to normal operating temperature.
2)
Turn ignition switch “OFF”.
3)
Disconnect throttle position switch harness connector.
4)
Check continuity between terminals 4 and 5 under the follow-
ing conditions. Refer to wiring diagram.
NOTE:
Continuity measurement must be made with closed throttle
position switch installed in vehicle.
Throttle valve conditions
Continuity
Completely closed
Yes
Partially open or completely open
No
If NG, adjust closed throttle position switch. Refer to “Basic
Inspection”, EC-SR-84.
5)
If it is impossible to adjust closed throttle position switch in
“Basic Inspection”, replace closed throttle position switch.
DTC P0510 CLOSED THROTTLE POSITION SWITCH
(IF SO EQUIPPED)
SR20DE
Component Inspection
EC-276
Component Description
NCEC0295
The ECM consists of a microcomputer, diagnostic test mode
selector, and connectors for signal input and output and for power
supply. The ECM controls the engine.
On Board Diagnosis Logic
NCEC0296
DTC No.
Malfunction is detected when ...
Check Items (Possible Cause)
P0605
0605
I
ECM calculation function is malfunctioning.
I
ECM
DTC Confirmation Procedure
NCEC0297
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch “OFF” and wait at least 9 seconds
before conducting the next test.
With CONSULT-II
1)
Turn ignition switch “ON”.
2)
Select “DATA MONITOR” mode with CONSULT-II.
3)
Start engine.
4)
Run engine for at least 1 second at idle speed.
5)
If 1st trip DTC is detected, go to “Diagnostic Procedure”, EC-
SR-278.
With GST
Follow the procedure “With CONSULT-II” above.
SEF093X
NEF068A
DTC P0605 ECM
SR20DE
Component Description
EC-277
Diagnostic Procedure
=NCEC0298
1
INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS” mode with CONSULT-II.
3. Touch “ERASE”.
4. Perform “DTC Confirmation Procedure”.
See previous page.
5. Is the 1st trip DTC P0605 displayed again?
With GST
1. Turn ignition switch “ON”.
2. Select MODE 4 with GST.
3. Touch “ERASE”.
4. Perform “DTC Confirmation Procedure”.
See previous page.
5. Is the 1st trip DTC P0605 displayed again?
Yes or No
Yes
©
Replace ECM.
No
©
INSPECTION END
DTC P0605 ECM
SR20DE
Diagnostic Procedure
EC-278
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