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5.
Fuel Injector Resistance Inspection
Measure the resistance of the fuel injector side 2P
connector
[1]
terminals.
Standard:
11
-13
n (20°C)
(Fuel injector side terminals)
Is the resistance within specification?
YES - Replace the
ECM
with a known good one
and recheck.
NO - Faulty fuel injector
OTC
21
(02 SENSOR)
NOTE:
• Before starting the inspection, check for loose or
poor contact
on
the 02 sensor 1 P (Black) connector
and
ECM
33P (Black) connector, and recheck the
OTC.
1. 02
Sensor
Open Circuit Inspection
Turn the ignition switch OFF.
Disconnect the
02 sensor 1 P (Black) connector
(page 4-53).
Disconnect the
ECM
33P
(Black) connector (page
4-49).
Check for continuity between the
ECM
33P (Black)
connector
[1]
of the wire harness side and 02 sensor
1 P (Black) connector
[2]
of the wire harness side.
TOOL:
Test probe, 2 pack
07ZAJ-RDJA
110
Connection: A9 - Black/orange
Is there continuity?
YES -
GO
TO
STEP
2.
NO - Open circuit
in
the Black/orange wire
2.
02
Sensor Short Circuit Inspection
Check for continuity between the 02 sensor 1 P
(Black) connector terminal
[1]
of the wire harness
side
and
ground.
TOOL:
Test probe, 2 pack
07ZAJ-RDJA
110
Connection: Black/orange - Ground
Is there continuity?
YES - Short circuit
in
the Black/orange wire
NO -
GO
TO STEP
3.
SYSTEM
[1]
[2]
[1]
(A9)
[1]
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