4-86 FI SYSTEM DIAGNOSIS
Step 3
1) Turn the ignition switch OFF.
2) Check the continuity between Yellow wire and ground.
Position sensor continuity: ∞ Ω (Infinity)
3) If OK, then measure the position sensor resistance.
4) Connect the position sensor coupler.
5) Set the EXCVA to adjustment position. (6-4)
6) Disconnect the position sensor coupler and measure the
resistance. (between Yellow and White wires)
Position sensor resistance at adjustment position:
Approx. 3.1 kΩ (+ Yellow – - White)
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (Ω)
Is the resistance OK?
3
3
YES Go to Step 4.
NO Replace the EXCVA with a new one.
3
SAMPLE
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