Engine General Information and Diagnosis: 1A-54
1 5) If OK, then check the continuity between each terminal
and ground.
Injector continuity
∞ Ω (Infinity)
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity ( )
Are the resistance and continuity OK?
Go to Step 2. Replace the injector
with a new one. (Refer
to “Throttle Body
Disassembly and
Assembly in Section 1D
(Page1D-13)”.)
2 1) Turn the ignition switch ON.
2) Measure the injector voltage between Y/R wire and
ground.
Injector voltage
Battery voltage
(Positive terminal: Y/R – Negative terminal: Ground)
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage ( )
Is the voltage OK?
• Gr/W wire open or
shorted to ground, or
poor (20) connection.
Refer to “Terminal
Alignment of ECM
Coupler (Harness
Side) (Page1A-5)”.
• If wire and
connection are OK,
intermittent trouble or
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again.
Open circuit in the Y/R
wire.
Step Action Yes No
(A)
I705H1110083-02
V
Y/R
(A)
I705H1110084-02
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