PGM-FI SYSTEM
4-42
DTC
1.2-1
(FUEL INJECTOR)
NOTE:
• Before starting the inspection, check for loose or
poor contact
on
the fuel injector 2P (Black)
connector
and
ECM
33P (Black) connector, and
recheck the
OTC.
1. Fuel Injector System Inspection
Erase the DTC's (page 4-12).
Turn the ignition switch
ON,
start the engine and
check the fuel injector with the MCS.
Is the DTC 12-1 indicated?
YES -
GO
TO STEP
2.
NO -
Intermittent failure
2.
Fuel Injector Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the fuel injector 2P (Black) connector
(page 7-24
).
Turn the ignition switch
ON.
Measure the voltage between the fuel injector 2P
(Black) connector
[1]
of the wire harness side
and
ground.
Connection: Black/white(+) - Ground
(-)
Standard: Battery voltage
Does the standard voltage exist?
YES -
GO
TO STEP
3.
NO -
Open circuit
in
the Black/white wire
3.
Fuel Injector Signal Line Open Circuit Inspection
Turn the ignition switch OFF.
Disconnect the
ECM
33P (Black) connector (page
4-49).
Check for continuity between the
ECM
33P (Black)
connector
[1]
and fuel injector 2P (Black) connector
[2]
of the wire harness side.
TOOL:
Test probe, 2 pack
Connection: A2 - Pink/blue
Is there continuity?
YES -
GO
TO STEP
4.
07ZAJ-RDJA
110
NO -
Open circuit
in
the Pink/blue wire
4. Fuel Injector Signal Line Short Circuit Inspection
Check for continuity between the fuel injector 2P
(Black) connector
[1]
terminal of the wire harness
side and ground.
Connection: Pink/blue - Ground
Is there continuity?
YES -
Short circuit
in
the Pink/blue wire
NO -
GO
TO STEP
5.
[1]
Black/white
8
[2]
Pink/blue
[1]
[1]
Pink/blue
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