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Diagnostic Procedure
=NGEC1027
1 CHECK FUEL LEVEL SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect fuel level sensor until harness connector.
3. Turn ignition switch “ON”.
4. Check voltage between fuel level sensor unit terminal 2 and ground, ECM terminal 46 and ground with CONSULT-II or
tester.
SEF704ZA
OK or NG
OK 䊳 GO TO 3.
NG 䊳 GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors M67, B101 and M81, F36
쐌 Harness for open or short between combination meter and fuel level sensor until
䊳 Repair or replace harness or connectors.
3 CHECK FUEL LEVEL SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Check harness continuity between fuel level sensor unit terminal 4 and body ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK 䊳 GO TO 4.
NG 䊳 Repair open circuit or short to power in harness or connectors.
4 CHECK FUEL LEVEL SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 46 and fuel level sensor unit terminal 2. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK 䊳 GO TO 6.
NG 䊳 GO TO 5.
DTC P0464 FUEL LEVEL SENSOR CIRCUIT
KA24DE
Diagnostic Procedure
EC-421
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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