Step 2
1) Turn the ignition switch OFF.
2) Disconnect the STVA coupler.
3) Remove the throttle body. (!Page 52)
4) Check the continuity between each terminal and ground.
$ STVA continuity: ∞ Ω (Infinity)
(Terminal – Ground)
5) If OK, then measure the STVA resistance (between terminal
A and terminal B) and (between terminal C and terminal D).
$ STVA resistance: Approx. 7 Ω
(Terminal A – Terminal B)
(Terminal C – Terminal D)
# 09900-25008: Multi-circuit tester set
) Tester knob indication: Resistance (Ω)
Is the resistance OK?
2
2
YES
• B/Lg, P/W, G and W/B wire open or shorted to
ground, or poor Y, [, d and f connection.
• If wire and connection are OK, intermittent trou-
ble 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.
NO
• Loose or poor contacts on the ECM coupler.
• Replace the STVA with a new one.
ECM coupler (Harness side)
2
DL650K7/AK7 (’07-MODEL) 13-29
PartShark.com
877-999-5686
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