V-Tec 2-wire Instruction Manual download pdf (Page 5)

■Installation

●Connecting the VAFC II

１.Remove the negative (-) terminal of the battery.

advice!

CAUTION

！

２.Locate the Engine Control Unit (hereafter referred to as ECU) of the vehicle by referring

to the Wiring Diagram by Model.

３.Connect the harness attached to the V-AFC II securely to the power cable of the vehicle

harness, grounding conductor, engine revolution signal wire, throttle signal wire, and

TDC signal wire, VTC signal wire, and VTM signal wire that are connected to the ECU,

by referring to the Wiring Diagram by Model. (Refer to page 7.)

●Before starting the wiring work, remove the negative

terminal of the battery.

If not, a fire will be caused by short circuit, thereby giving damage to electric parts.

If the ECU connector is removed while the battery is connected, the engine

warning lamp may light up continuously regardless of whether the VAFC II is

installed or not. At this time, you must ask the distributor of each car model to

perform maintenance and inspection.

●We shall not take all responsibility for damage of the

vehicle or related devices that may be caused by

installation error.

Connect the red wire to the IG power.

Connect the green wire to the engine revolution signal wire.

Connect the gray wire to the throttle signal wire.

Connect the black wire to the grounding conductor.

Connect the brown wire to the grounding conductor.

Connect the orange wire to the VTC cam signal wire ※

Connect the light blue wire to the TDC signal wire. ※

Connect the blue wire to the VTM signal wire. ※

※The RDC signal wire and the TCC cam signal wire are limited to vehicles with an

i-VTEC.

※The VTM signal wire is limited to vehicles with a V type engine and some car models.

※For the details of the above TDC signal, VTC cam signal, and VTM

signal, refer to the terminal arrangement drawings on and after page

There is some setting data on car audio, car navigation, etc. that is backed up by battery power

supply. We recommend you to take a note of the data beforehand lest they should be lost.

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V-Tec 2-wire Instruction Manual Page 5