2001 NISSAN ALMERA N16 Electronic Repair Manual

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Page 673 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual 7 CHECK HEATED OXYGEN SENSOR 1 (FRONT) Refer to ªComponent Inspectionº, EC-377. OK or NG OK©GO TO 8. NG©Replace heated oxygen sensor 1 (front). 8 CHECK INTERMITTENT INCIDENT Perform ªTROUBLE DIAG

Page 674 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual SEF648Y SEF011X Without CONSULT-II 1) Start engine and warm it up to normal operating temperature. 2) Set voltmeter probes between ECM terminal 62 (HO2S1 sig- nal) and engine ground. 3) Check the foll

Page 675 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual DescriptionNJEC1223SYSTEM DESCRIPTIONNJEC1223S01 Sensor Input Signal to ECMECM func- tionActuator Camshaft position sensor (PHASE) Crankshaft position sensor (POS)Engine speedHeated oxygen sensor 1 he

Page 676 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual Wiring DiagramNJEC1228 YEC987 HEATED OXYGEN SENSOR 1 HEATER (FRONT)QG Wiring Diagram EC-380

Page 677 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual Diagnostic ProcedureNJEC1229 1 CHECK OVERALL FUNCTION 1. Turn ignition switch ªONº. 2. Set the tester probe between ECM terminals 4 [HO2S1 Heater (front) signal] and ground. 3. Start engine and let

Page 678 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual 3 DETECT MALFUNCTIONING PART Check the following. +Harness connectors F113, M169 +10A fuse +Harness for open or short between heated oxygen sensor 1 (front) and fuse ©Repair harness or connectors. 4

Page 679 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual SEF327R Component DescriptionNJEC1231The heated oxygen sensor 2 (rear), after three way catalyst, moni- tors the oxygen level in the exhaust gas. Even if switching characteristics of the heated oxygen

Page 680 of 2493

NISSAN ALMERA N16 2001 Electronic Repair Manual Wiring DiagramNJEC1237 YEC988 HEATED OXYGEN SENSOR 2 (REAR)QG Wiring Diagram EC-384
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