Terminal and Connector Inspection
1.

Electrical systems consist of a lot of harness and connectors, poor connection of terminals can cause various problems and damge of component.

2.

Perform checking procedure as follows.

(1)

Check damage of harness and terminals : Check terminals for contact resistance, corrosion and deformation.

(2)

Check connecting condition of ECM and component connector : Check terminal seperation, damage of locking device and connecting condition between terminal and wiring.

note

Disconnect the pin which requires checking at male connector and insert it to the terminal at female connector for checking connecting condition. ( after checking, reconnect the pin at correct position. )

3.

Is the problem found?

YES

a.

Repair the trouble causing part and go to "Verification of Vehicle Repair".

NO

a.

Go to "Control Circuit Inspection".

Control Circuit Inspection
1.

Check short to ground in control circuit

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect variable swirl control actuator connector and ECM connector.

(3)

Check continuity between variable swirl control actuator connector terminal 1(or 2) and chassis ground.

1)

Specification : Discontinuity(Infinite Ω)

(4)

Is the measured resistance within the specification?

YES

a.

Go to "2.Check open in motor circuit" as follows.

NO

a.

Repair short to ground in variable swirl control actuator motor circuit and go to "Verification of Vehicle Repair".

2.

Check open in motor circuit

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect variable swirl control actuator connector and ECM connector.

(3)

Check continuity between variable swirl control actuator connector terminal 1 and ECM connecor(CUD-A) terminal 60.

(4)

Check continuity between variable swirl control actuator connector terminal 2 and ECM connecor(CUD-A) terminal 30.

1)

Specification : Continuity (below 1.0Ω )

(5)

Is the measured resistance within the specification?

YES

a.

Go to "Component Inspection".

NO

a.

Repair short to ground in control circuit and go to "Verification of Vehicle Repair".

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