8497854

1.

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

2.

Perform checking procedure as follows.

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

2.2) Check connecting condition of ECM and component connector : Check terminal separation, 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?

	▶ Repair the trouble causing part and go to "Verification of Vehicle Repair".
	▶ Go to "Signal Circuit Inspection".

1.

IG KEY "OFF", ENGINE "OFF"

2.

Disconnect EGTS(T5-DPF) connector.

3.

IG KEY "ON"

4.

Measure the voltage of EGTS(T5-DPF) signal terminal.

Specification : 3.3V

note

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5.

Is the measured voltage within the specification?

	▶ Go to "Ground Circuit Inspection".
	▶ Go to "2.Check open in signal circuit" as follows.

6.

IG KEY "OFF", ENGINE "OFF"

7.

Disconnect EGTS(T5-DPF) connector and ECM connector.

8.

Check continuity between EGTS(T5-DPF) connector terminal and ECM connector(CDD-K) terminal.

Specification : Continuity ( below 1.0Ω )

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9.

Is the measured resistance within the specification?

	▶ Go to "3. Check short to ground in signal circuit" as follows.
	▶ Repair open in signal circuit and go to "Verification of Vehicle Repair".

10.

IG KEY "OFF", ENGINE "OFF"

11.

Disconnect EGTS(T5-DPF) connector and ECM connector.

12.

Check continuity between EGTS(T5-DPF) connector signal terminaland chassis ground.

Specification : Discontinuity ( Infinite Ω )

note

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13.

Is the measured resistance within the specification?

	▶ Go to "Ground Circuit Inspection".
	▶ Repair short to ground in signal circuit and go to "Verification of Vehicle Repair".

1.

IG KEY "OFF", ENGINE "OFF"

2.

Disconnect EGTS(T5-DPF) connector.

3.

IG KEY "ON"

4.

Measure the voltage between EGTS(T5-DPF) connector signal terminal and chassis ground. [ TEST "A" ]

5.

Measure the voltage between EGTS(T5-DPF) connector signal terminal and ground terminal. [ TEST "B" ]

Specification : [TEST "A"] Voltage - [TEST "B"] Voltage = below 200mV

note

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6.

Is the measured voltage within the specification?

▶ Go to "Component Inspection".

▶ When "B" voltage is not detected : Repair open in ground circuit and go to "Verification of Vehicle Repair".

▶ When the voltage difference between "A" and "B" is above 200mV : Eliminate the causes of excessive resistance and go to "Verification of Vehicle Repair".