Terminal and Connector Inspection
1.

Many malfunctions in the electrical system are caused by poor harness and terminals.

Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.

2.

Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

3.

Has a problem been found?

YES

Repair as necessary and go to "Verification of Vehicle Repair" procedure.

NO

Go to " Control Circuit Inspection " procedure.

Control Circuit Inspection
1.

Check for open or short in harness.

(1)

Ignition "OFF" & Engine "OFF".

(2)

Disconnect ECM connector.

(3)

Ignition "ON" & Engine "OFF".

(4)

Measure voltage between terminal 30 of ECM harness connector and chassis ground.

Specification : Approx. 10.8 ~ 13V

(5)

Is the measured voltage within specifications ?

YES

▶ Go to " Check Glow indicator lamp circuit " as below.

NO

▶ Check for open or short in the control harness.

Check that 10A Fuse is not install or blown.

Repair as necessary and go to "Verification vehicle Repair" procedure.

2.

Check "operation of Glow indicator lamp circuit" as below.

(1)

Ignition "OFF" & Engine "OFF".

(2)

Disconnect ECM connector.

(3)

Ignition "ON" & Engine "OFF".

(4)

Jump between terminal 30 of the ECM harness connector and chassis ground with jumper wire.

(5)

Is the glow indicator lamp turned ON when jumping ?

YES

▶ Go to "Component Inspection" procedure.

NO

▶ Check for short to battery between terminal 2 of instrument panel harness and terminal 30 of ECM harness connector.

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