2003 NISSAN ALMERA N16 Electronic Repair Manual

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NISSAN ALMERA N16 2003  Electronic Repair Manual 6 CHECK MASS AIR FLOW SENSOR
1. Reconnect harness connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Check voltage between ECM terminal 224 (Mass air flow sens

Page 1138 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual SEF594K
DescriptionNJEC0649The engine coolant temperature sensor is used to detect the
engine coolant temperature. The sensor modifies a voltage signal
from the ECM. The modified signal returns to the

Page 1139 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual 3) Perform “Diagnostic Test Mode II (Self-diagnostic results)” with
ECM.
4) If DTC is detected, go to “Diagnostic Procedure”, EC-87.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC

Page 1140 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual Wiring DiagramNJEC0652
YEC011A
DTC P0115 COOLANT TEMP SENYD
Wiring Diagram
EC-86

Page 1141 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual Diagnostic ProcedureNJEC0653
1 CHECK ECTS POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect engine coolant temperature sensor harness connector.
SEF382Y
3. Turn ignition switch “

Page 1142 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual 4 CHECK ENGINE COOLANT TEMPERATURE SENSOR
1. Remove engine coolant temperature sensor from the engine.
2. Check resistance between ECTS terminals 1 and 2 as shown in the figure.
SEF304X
OK or NG
OK GO

Page 1143 of 3189

NISSAN ALMERA N16 2003  Electronic Repair Manual DescriptionNJEC0679The accelerator work unit is installed on the upper end of the accelerator pedal assembly. The accelerator
position sensor and accelerator position switch are built into the acceler

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NISSAN ALMERA N16 2003  Electronic Repair Manual TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA(DC Voltage)
434 W Accelerator position sensor[Ignition switch “ON”]
Accelerator pedal fully released0.30 - 0.50V
[Ignition switch “ON”]
Accelerator