4.
IAT Sensor Ground line Inspection
Turn the ignition switch OFF.
Disconnect the ECM
21
P (Gray) connector.
Check for continuity between the sensor unit
SP
(Black) connector [1] of the wire harness side and
ECM
21
P (Gray) connector
[2]
of the wire harness
side.
CONNECTION:
Green/orange
B7
(Green/orange)
STANDARD: Continuity
TOOL:
Test probe, 2 pack 07ZAJ-RDJA
110
Is there continuity?
YES -
Replace the
ECM
with a new one and
recheck.
NO -
Open
circuit
in
the Green/orange wire
DTC
1 (FUEL INJECTOR)
• Before starting the inspection, check for loose or
poor contact
on
the fuel injector 2P (Black)
connector
and
recheck the
OTC.
1. Fuel injector System Inspection
Clear the DTC's (page 4-12).
Turn the ignition switch
ON
and engine stop switch
"0",
then start the engine and check the fuel injector
with the
MCS
tester.
Is the DTC 12-1 indicated?
YES -
GO
TO
STEP
2.
NO - • Intermittent failure
• Loose or poor contact
on
the fuel
injector 2P (Black) connector
2.
Fuel injector Input Voltage Inspection
Turn the ignition switch OFF.
Disconnect the fuel injector 2P (Black) connector.
Turn the ignition switch
ON
and engine stop switch
"O".
Measure the voltage between the fuel injector 2P
(Black) connector [1] of the wire harness side and
ground.
CONNECTION: Black/white(+) - Ground
(-)
Does the battery voltage exist?
YES -
GO
TO
STEP
3.
NO -
Open
circuit
in
the Black/white wire
[1]
Green/
orange
[2]
Black/white
PGM-FI SYSTEM
1-1------l--+--+-+--+-~
!
[1]
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