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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".

1.

Check control circuit voltage

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect ECM connector.

(3)

IG KEY "ON".

(4)

Measure the voltage of terminal 68 of ECM connector(CUD-K).

1)

Secification : 10.8V~13.0V

(5)

Is the measured voltage within the specification?

YES

a.

Go to "2. Grounding test of check lamp control circuit" as follows.

NO

a.

Check open in filament of check lamp. ( Refer to Component Inspection)

b.

Repair open between cluster connector(M01-A) terminal 11 and ECM connector(CUD-K) terminal 68 and go to "Verification of Vehicle Repair",

2.

Grounding test of check lamp control circuit

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect ECM connector.

(3)

IG KEY "ON".

(4)

Ground ECM connector(CUD-K) terminal 68 to chassis ground.

1)

Secification : Check lamp turns ON.

(5)

Does check lamp turn ON?

YES

a.

Go to "Verification of Vehicle Repair".

NO

a.

Repair short to battery in check lamp control circuit and go to "Verification of Vehicle Repair".