1999 NISSAN PRIMERA Electronic Repair Manual

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NISSAN PRIMERA 1999  Electronic Repair Manual With CONSULT-II
1) Turn ignition switch ªONº and select ªDATA MONITORº mode
with CONSULT-II.
2) Start engine and maintain the following conditions for at least
5 consecutive seconds.
VHCL SPEED SE

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NISSAN PRIMERA 1999  Electronic Repair Manual Wiring DiagramNCEC0084
YEC064A
DTC P0120 THROTTLE POSITION SENSORQG16I18DE
Wiring Diagram
EC-128

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NISSAN PRIMERA 1999  Electronic Repair Manual Diagnostic ProcedureNCEC0085
1 RETIGHTEN GROUND SCREWS
1. Turn ignition switch ªOFFº.
2. Loosen and retighten engine ground screws.
SEF994W
©GO TO 2.
2 CHECK POWER SUPPLY
1. Disconnect throttle pos

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NISSAN PRIMERA 1999  Electronic Repair Manual 3 CHECK GROUND CIRCUIT
1. Turn ignition switch ªOFFº.
2. Check harness continuity between throttle position sensor harness connector terminal 1 and engine ground.
Refer to wiring diagram.
Continuity

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NISSAN PRIMERA 1999  Electronic Repair Manual Component InspectionNCEC0086THROTTLE POSITION SENSORNCEC0086S01With CONSULT-II
1) Stop engine (ignition switch OFF).
2) Turn ignition switch ON.
3) Select ªDATA MONITORº mode with CONSULT-II.
4) Che

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NISSAN PRIMERA 1999  Electronic Repair Manual Component DescriptionNLEC0094The heated oxygen sensor 1 (front) is placed into the exhaust
manifold. It detects the amount of oxygen in the exhaust gas com-
pared to the outside air. The heated oxygen

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NISSAN PRIMERA 1999  Electronic Repair Manual On Board Diagnosis LogicNLEC0097Under the condition in which the heated oxygen sensor 1 (front)
signal is not input, the ECM circuits will read a continuous approxi-
mately 0.3V. Therefore, for this d

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NISSAN PRIMERA 1999  Electronic Repair Manual RESULTSº. If ªNGº is displayed, refer to ªDiagnostic Procedureº,
EC-QG-136.
Overall Function CheckNLEC0099Use this procedure to check the overall function of the heated oxy-
gen sensor 1 (front)