PGM-FI SYSTEM
4-28
3. Fuel injector Resistance Inspection
Turn the ignition switch OFF.
Measure the resistance at the 2P connector [1]
terminals
of
the fuel injector side.
STANDARD:
11
-13
n
c20
°c16s °F)
Is
the resistance within
11-
13
!2 (20°C/68°F)?
YES
- GO TO STEP 4.
NO - Faulty fuel injector
4.
Fuel injector Signal Line Open Circuit Inspection
Disconnect the ECM
21
P (Black) connector.
Check the continuity between the fuel injector 2P
(Black) connector [1]
of
the wire harness side and
ECM
21
P (Black) connector [2]
of
the wire harness
side.
CONNECTION: Pink/Blue
-A14
(Pink/Blue)
STANDARD: Continuity
TOOL:
Test
probe, 2 pack
07ZAJ-RDJA
110
Is there continuity?
YES
- GO TO STEP
5.
NO - Open circuit
in
the Pink/blue wire
5.
Fuel injector Signal Line Short Circuit Inspection
Check for continuity between the fuel injector 2P
(Black) connector [1] and ground with the ECM
21
P
(Black) connector disconnected.
CONNECTION: Pink/blue - Ground
STANDARD: No continuity
Is
there continuity?
YES
- Short circuit
in
the Pink/blue wire
NO - Replace the ECM with a new one and
recheck.
[1]
[1]
A14