Nissan Primera P11. Manual — part 129
4
CHECK THROTTLE VALVE OPERATION
1. Remove intake air ducts.
2. Check throttle valve operation when moving throttle drum by hand.
OK or NG
OK
©
Retighten the throttle drum fixing nuts.
NG
©
Clean the throttle body and throttle valve.
5
CHECK CLOSED THROTTLE POSITION SWITCH IDLE POSITION
With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Turn ignition switch “ON”.
4. Select “THRTL POS SEN” and “CLSD THL POS” in “DATA MONITOR” mode with CONSULT-II.
5. Make sure that “THRTL POS SEN” indicates 0.35 to 0.65V, and “CLSD THL POS” indicates “ON”. (Accelerator pedal is
fully released.)
NEF238A
OK or NG
OK
©
GO TO 11.
NG
©
GO TO 6.
6
ADJUST THROTTLE POSITION SENSOR IDLE POSITION
With CONSULT-II
1. Loosen throttle position sensor fixing bolts.
2. Turn throttle position sensor body clockwise or counterclockwise until “THRTL POS SEN” indication becomes 0.35 to
0.65V.
SEF964W
3. Tighten the throttle position sensor fixing bolts.
©
GO TO 7.
TROUBLE DIAGNOSIS — BASIC INSPECTION
QG16
I
18DE
Basic Inspection (Cont’d)
EC-73
7
RESET THROTTLE POSITION SENSOR IDLE POSITION MEMORY
With CONSULT-II
NOTE:
Always warm up engine to normal operating temperature. If engine is cool, the throttle position sensor idle posi-
tion memory will not be reset correctly.
1. Start engine and warm it up to normal operating temperature.
2. Select “CLSD THL POS” in “DATA MONITOR” mode with CONSULT-II.
3. Stop engine. (Turn ignition switch “OFF”.)
4. Turn ignition switch “ON” and wait at least 5 seconds.
SEF864V
5. Turn ignition switch “OFF” and wait at least 9 seconds.
6. Repeat steps 4 and 6 until “CLSD THL POS” indication changes to “ON”.
SEF061Y
©
GO TO 11.
8
CHECK CLOSED THROTTLE POSITION SWITCH IDLE POSITION
Without CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Turn ignition switch “ON”.
4. Check voltage between ECM terminal 92 and ground with accelerator pedal fully released.
NEF239A
Voltage: 0.35 to 0.65V
OK
©
GO TO 6.
NG
©
GO TO 9.
TROUBLE DIAGNOSIS — BASIC INSPECTION
QG16
I
18DE
Basic Inspection (Cont’d)
EC-74
9
ADJUST THROTTLE POSITION SENSOR IDLE POSITION
Without CONSULT-II
1. Loosen throttle position sensor fixing bolts.
2. Turn throttle position sensor body clockwise or counterclockwise until the voltage between ECM terminal 92 and ground
becomes 0.35 to 0.65V.
SEF964W
3. Tighten the throttle position sensor fixing bolts.
©
GO TO 10.
10
RESET THROTTLE POSITION SENSOR IDLE POSITION MEMORY
Without CONSULT-II
NOTE:
Always warm up engine to normal operating temperature. If engine is cool, the throttle position sensor idle posi-
tion memory will not be reset correctly.
1. Start engine and warm it up to normal operating temperature.
2. Stop engine. (Turn ignition switch “OFF”.)
3. Turn ignition switch “ON” and wait at least 5 seconds.
SEF864V
4. Turn ignition switch “OFF” and wait at least 9 seconds.
5. Repeat steps 4 and 6, 20 times.
©
GO TO 11.
11
CHECK (1ST TRIP) DTC
1. Start engine and warm it up to normal operating temperature.
2. Rev (2,000 to 3,000 rpm) two or three times.
3. Make sure no (1st trip) DTC is displayed with CONSULT-II GST or Diagnostic Test Mode II (Self-diagnostic Results).
OK or NG
OK
©
GO TO 13.
NG
©
GO TO 12.
12
REPAIR MALFUNCTION
Repair or replace components as necessary according to corresponding “Diagnostic Procedure”.
©
GO TO 11.
TROUBLE DIAGNOSIS — BASIC INSPECTION
QG16
I
18DE
Basic Inspection (Cont’d)
EC-75
13
CHECK TARGET IDLE SPEED
With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode With CONSULT-II.
3. Check idle speed.
700±50 rpm
Without CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.
700±50 rpm
OK or NG
OK
©
GO TO 22.
NG
©
GO TO 14.
14
PERFORM IDLE AIR VOLUME LEARNING
Refer to “Idle Air Volume Learning”, EC-QG-33.
Which is the result CMPLT or INCMP?
CMPLT or INCMP
CMPLT
©
GO TO 15.
INCMP
©
1. Follow the instruction of “Idle Air Volume Learning”.
2. GO TO 14.
15
CHECK TARGET IDLE SPEED AGAIN
With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “ENG SPEED” in “DATA MONITOR” mode With CONSULT-II.
3. Check idle speed.
700±50 rpm
Without CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.
700±50 rpm
OK or NG
OK
©
GO TO 20.
NG
©
GO TO 16.
16
REPLACE IACV-AAC VALVE
Replace IACV-AAC valve.
©
GO TO 17.
17
PERFORM IDLE AIR VOLUME LEARNING
Refer to “Idle Air Volume Learning”, EC-QG-33.
Which is the result CMPLT or INCMP?
CMPLT or INCMP
CMPLT
©
GO TO 18.
INCMP
©
1. Follow the instruction of “Idle Air Volume Learning”.
2. GO TO 14.
TROUBLE DIAGNOSIS — BASIC INSPECTION
QG16
I
18DE
Basic Inspection (Cont’d)
EC-76
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