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Diagnostic Procedure
=NFEC1115
1 CHECK FUEL LEVEL SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 78 and body ground. Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to power.
OK or NG
OK © GO TO 3.
NG © GO TO 2.
2 DETECT MALFUNCTIONING PART
1. Check the following.
I Harness connectors F68, M161
I Harness connectors M6, B3
I Harness for open between ECM and body ground
© Replace open circuit or short to power in harness or connectors.
3 CHECK FUEL LEVEL SENSOR
Refer to EL-129, “Fuel Level Sensor Unit Check”.
OK or NG
OK © GO TO 4.
NG © Replace fuel level sensor unit.
4 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
OK or NG
© INSPECTION END
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1464 FUEL LEVEL SENSOR
Diagnostic Procedure
EC-621
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