2001 NISSAN ALMERA N16 ignition

Diagnostic ProcedureNJAT0309
1 CHECK VALVE RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 1 and ground.
Resistance:
5-20W
SAT904JB
OK or NG
OK©GO TO 2.
NG©1. Remove control valve assembly. Refer to AT-343.
2. Check the following items:
+Shift solenoid valve B
Refer to ªComponent Inspectionº, AT-255.
+Harness of terminal cord assembly for short or open
DTC P0755 SHIFT SOLENOID VALVE BEURO-OBD
Diagnostic Procedure
AT-253

2 CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to ªOFFº position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 12 and TCM harness connector terminal 1.
Continuity should exist.
SAT905JD
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-251.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
DTC P0755 SHIFT SOLENOID VALVE BEURO-OBD
Diagnostic Procedure (Cont'd)
AT-254

ON BOARD DIAGNOSIS LOGICNJAT0311S03
Diagnostic trouble code Malfunction is detected when ... Check items (Possible cause)
: TP SEN/CIRC A/T
TCM receives an excessively low or high
voltage from the sensor.+Harness or connectors
(The sensor circuit is open or shorted.)
+Throttle position sensor
+Throttle position switch
: P1705
SAT014K
SAT971J
SAT014K
SAT020K
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NJAT0311S04CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If ªDIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DUREº has been previously conducted, always turn ignition
switch ªOFFº and wait at least 5 seconds before conducting
the next test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
With CONSULT-II
1) Apply vacuum to the throttle opener, then check the following.
Refer to steps from 1 to 5 of ªPreparationº, ªTCM SELF-DIAG-
NOSTIC PROCEDURE (No Tools)º, AT-61.
2) Turn ignition switch ªONº and select ªDATA MONITORº mode
for ªA/Tº with CONSULT-II.
3) Check the following.
Accelerator pedal
conditionTHRTL POS SEN CLOSED THL/SW W/O THRL/P´SW
Fully released Less than 4.7V ON OFF
Partially
depressed0.1 - 4.6V OFF OFF
Fully depressed 1.9 - 4.6V OFF ON
If the check result is NG, go to ªDIAGNOSTIC PROCEDUREº,
AT-260.
If the check result is OK, go to following step.
4) Turn ignition switch ªONº and select ªDATA MONITORº mode
for ªENGINEº with CONSULT-II.
5) Start engine and maintain the following conditions for at least
3 consecutive seconds. Then release accelerator pedal com-
pletely.
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: Approximately 3V or less
Selector lever: D position (OD ªONº)
If the check result is NG, go to ªDIAGNOSTIC PROCEDUREº,
AT-260.
If the check result is OK, go to following step.
6) Maintain the following conditions for at least 3 consecutive
seconds. Then release accelerator pedal completely.
VHCL SPEED SE: 10 km/h (6 MPH) or more
Accelerator pedal: Wide open throttle
Selector lever: D position (OD ªONº)
DTC P1705 THROTTLE POSITION SENSOREURO-OBD
Description (Cont'd)
AT-257

Diagnostic ProcedureNJAT0313
1 CHECK DTC WITH ECM
Perform diagnostic test mode II (self-diagnostic results) for engine control.
Refer to EC-72, ªMalfunction Indicator (MI)º.
OK or NG
OK (With CONSULT-II)©GO TO 2.
OK (Without CONSULT-
II)©GO TO 3.
NG©Check throttle position sensor circuit for engine control. Refer to EC-168, ªDTC P0120
THROTTLE POSITION SENSORº.
2 CHECK INPUT SIGNAL (WITH CONSULT-II)
With CONSULT-II
1. Apply vacuum to the throttle opener then check the following. Refer from step 1 to 5 of ªPreparationº, ªTCM SELF-DI-
AGNOSTIC PROCEDURE (No Tools)º, AT-61.
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
SAT014K
4. Read out the value of ªTHRTL POS SENº.
Voltage:
Fully-closed throttle:
Approximately 0.5V
Fully-open throttle:
Approximately 4V
SAT614J
OK or NG
OK©GO TO 4.
NG©Check harness for short or open between ECM and TCM regarding throttle position sen-
sor circuit. (Main harness)
DTC P1705 THROTTLE POSITION SENSOREURO-OBD
Diagnostic Procedure
AT-260

3 CHECK INPUT SIGNAL (WITHOUT CONSULT-II)
Without CONSULT-II
1. Apply vacuum to the throttle opener then check the following. Refer to steps 1 to 5 of ªPreparationº, ªTCM SELF-DIAG-
NOSTIC PROCEDURE (No Tools)º, AT-61.
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Check voltage between TCM terminals 41 and 42 while accelerator pedal is depressed slowly.
Voltage:
Fully-closed throttle valve:
Approximately 0.5V
Fully-open throttle valve:
Approximately 4V
(Voltage rises gradually in response to throttle position)
SAT453J
OK or NG
OK©GO TO 5.
NG©Check harness for short or open between ECM and TCM regarding throttle position sen-
sor circuit. (Main harness)
DTC P1705 THROTTLE POSITION SENSOREURO-OBD
Diagnostic Procedure (Cont'd)
AT-261

4 CHECK THROTTLE POSITION SWITCH CIRCUIT (WITH CONSULT-II)
With CONSULT-II
1. Apply vacuum to the throttle opener, then check the following. Refer to steps 1 to 5 of ªPreparationº, ªTCM SELF-DIAG-
NOSTIC PROCEDURE (No Tools)º, AT-61.
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
4. Read out ªCLOSED THL/SWº and ªW/O THRL/P-SWº depressing and releasing accelerator pedal.
Check the signal of throttle position switch is indicated properly.
MTBL0011
SAT702J
OK or NG
OK©GO TO 6.
NG©Check the following items:
+Throttle position switch Ð Refer to ªComponents Inspectionº, AT-264.
+Harness for short or open between ignition switch and throttle position switch (Main
harness)
+Harness for short or open between throttle position switch and TCM (Main harness)
DTC P1705 THROTTLE POSITION SENSOREURO-OBD
Diagnostic Procedure (Cont'd)
AT-262

5 CHECK THROTTLE POSITION SWITCH CIRCUIT (WITHOUT CONSULT-II)
Without CONSULT-II
1. Apply vacuum to the throttle opener, then check the following. Refer to steps 1 to 5 of ªPreparationº, ªTCM SELF-DIAG-
NOSTIC PROCEDURE (No Tools)º, AT-61.
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Check voltage between TCM terminals 16, 17 and ground while depressing, and releasing accelerator pedal slowly.
(After warming up engine)
MTBL0137
SAT454JB
OK or NG
OK©GO TO 6.
NG©Check the following items:
+Throttle position switch Ð Refer to ªComponents Inspectionº, AT-264.
+Harness for short or open between ignition switch and throttle position switch (Main
harness)
+Harness for short or open between throttle position switch and TCM (Main harness)
6 CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-257.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
DTC P1705 THROTTLE POSITION SENSOREURO-OBD
Diagnostic Procedure (Cont'd)
AT-263

SAT322GC
DescriptionNJAT0315The overrun clutch solenoid valve is activated by the TCM in
response to signals sent from the inhibitor switch, overdrive con-
trol switch, vehicle speed and throttle position sensors. The over-
run clutch operation will then be controlled.
TCM TERMINALS AND REFERENCE VALUENJAT0315S01Remarks: Specification data are reference values.
Terminal
No.Wire color Item ConditionJudgement stan-
dard
20 L/BOverrun clutch
solenoid valve
When overrun clutch solenoid valve
operates.Battery voltage
When overrun clutch solenoid valve
does not operate.1V or less
ON BOARD DIAGNOSIS LOGICNJAT0315S02
Diagnostic trouble code Malfunction is detected when ... Check items (Possible cause)
: O/R CLTCH SOL/CIRC TCM detects an improper voltage drop
when it tries to operate the solenoid
valve.+Harness or connectors
(The solenoid circuit is open or shorted.)
+Overrun clutch solenoid valve
: P1760
SAT014K
SAT020K
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NJAT0315S03CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If ªDIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DUREº has been previously conducted, always turn ignition
switch ªOFFº and wait at least 5 seconds before conducting
the next test.
TESTING CONDITION:
Always drive vehicle on a level road to improve accuracy of
test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
With CONSULT-II
1) Turn ignition switch ªONº and select ªDATA MONITORº mode
for ªENGINEº with CONSULT-II.
2) Start engine.
3) Accelerate vehicle to a speed of more than 10 km/h (6 MPH)
with ªDº position (OD ªONº).
4) Release accelerator pedal completely with ªDº position (OD
ªOFFº).
DTC P1760 OVERRUN CLUTCH SOLENOID VALVEEURO-OBD
Description
AT-265