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5 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors B101, M67
쐌 Harness for open or short between fuel pump and body ground
쐌 Harness for open or short between fuel pump and fuel pump relay
䊳 Repair open circuit or short to power in harness or connectors.
6 CHECK OUTPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 11 and fuel pump relay connector terminal 1.
SEF227V
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK 䊳 GO TO 8.
NG 䊳 GO TO 7.
7 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors F36, M81
쐌 Harness for open or short between ECM and fuel pump relay
NG 䊳 Repair open circuit or short to power in harness or connectors.
FUEL PUMP
KA24DE
Diagnostic Procedure (Cont’d)
EC-581
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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