4.
Is the resistance within the specification ?
 | ▶ Go to next step as below. |
 | ▶ Repair open circuit and go to "Verification of Vehicle Repair" procedure. |
Ignition "OFF".
Disconnect ECTS connector.
Measure the resistance between ground terminal of ECTS harness connector and chassis ground.
Specification : Approx. 0Ω
Is the resistance within the specification ?
| ▶ Go to next step as below. |
| ▶ Repair open circuit and go to "Verification of Vehicle Repair" procedure. |
Check for short to battery in signal harness.
Disconnect PCM connector.
Ignition "ON" & Engine "OFF".
Measure the voltage between signal terminal of the sensor harness connector and chassis ground.
Specification : Approx. 0V
Is voltage within the specification ?
| ▶ Go to "Terminal and Connector Inspection" procedure. |
| ▶ Check for short to battery or open in signal harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure. |
Check for open in signal harness.
Ignition "OFF".
Measure the resistance between signal terminal of ECTS harness connector and signal connector of PCM harness connector.
Specification : Approx. 0Ω
Is the resistance within the specification ?
| ▶ Go to next step as below. |
| ▶ Check for open in signal harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure. |
Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Has a problem been found ?
| ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure. |
| ▶ Go to next step as below. |
