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SEF800Z
Component Description
NGEC1036
The fuel level sensor is mounted in the fuel level sensor unit. The
sensor detects a fuel level in the fuel tank and transmits a signal
to the ECM.
It consists of two parts, one is mechanical float and the other side
is variable resistor. Fuel level sensor output voltage changes
depending on the movement of the fuel mechanical float.
On Board Diagnostic Logic
NGEC1037
ECM receives two signals from the fuel level sensor.
One is fuel level sensor power supply circuit, and the other is fuel
level sensor ground circuit.
This diagnosis indicates the latter to detect open circuit malfunc-
tion. Malfunction is detected when a high voltage from the sensor
is sent to ECM.
Possible Cause
NGEC1038
쐌 Fuel level sensor circuit
(The fuel level sensor circuit is open or shorted.)
DTC Confirmation Procedure
NGEC1039
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch “OFF” and wait at least 10 seconds
before conducting the next test.
SEF195Y
WITH CONSULT-II
NGEC1039S01
1) Turn ignition switch “ON”.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Wait at least 5 seconds.
4) If 1st trip DTC is detected, go to “Diagnostic Procedure”,
EC-529.
WITH GST
NGEC1039S02
Follow the procedure “WITH CONSULT-II” above.
DTC P1464 FUEL LEVEL SENSOR CIRCUIT
(GROUND SIGNAL)
KA24DE
Component Description
EC-527
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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