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 all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.

3.

Has a problem been found?

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

▶ Go to "Ground Circuit Inspection" procedure.

Ground Circuit Inspection
1.

Ignition switch "OFF"

2.

Disconnect battery (-) cable.

3.

Refer to "Shop Manual" and disconnect EOLS connector.

4.

Measure the resistance between oil temperature ground terminal of EOLS harness connector and chassis ground.

Specification : Approx. below 1 Ω

5.

Ignition switch "OFF"

6.

Refer to "Shop Manual" and disconnect EOLS connector.

7.

Ignition switch "ON"

8.

Measure the voltage between oil temperature signal terminal of EOLS harness connector and chassis ground.(A)

9.

Measure the voltage between oil temperature signal terminal and oil temperature ground terminal of EOLS harness connector.(B)

Specification : Difference in (A) and (B) is less than 200 mV

10.

Is the measured value within specification?

▶ Go to "Signal Circuit Inspection" procedure.

▶ Inspect and repair open or short in circuit, and then go to "Verification of Vehicle Repair" procedure.

Signal Circuit Inspection
1.

Ignition switch "OFF"

2.

Refer to "Shop Manual" and disconnect EOLS connector.

3.

Ignition switch "ON"

4.

Measure the voltage between oil temperature signal terminal of EOLS harness connector and chassis ground.

Specification : Approx. 5 V

5.

Is the measured value within specification?

▶ Go to "Component Inspection" procedure.

▶ Inspect and repair open or short in circuit, and then go to "Verification of Vehicle Repair" procedure.

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