3.
Has a problem been found?
 | ▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure |
 | ▶ Go to " Signal Circuit Inspection " procedure. |
Many malfunctions in the electrical system are caused by poor harness and terminal connections.
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 " Signal Circuit Inspection " procedure. |
IG "OFF" and disconnect ECM connector and ESC(ESP) control module connector.
Measure resistance between vehicle speed input signal terminal of ECM harness connector and chassis ground.
Specification : Infinite
Is the measured resistance within specification?
| ▶ Go to "Check open in harness" as follows. |
| ▶ Repair short to ground in harness, and go to "Verification of Vehicle Repair" procedure. |
IG "OFF" and disconnect ECM connector and ESC(ESP) control module connector.
Measure resistance between vehicle speed input signal terminal of ECM harness connector and wheel speed sensor output signal terminal of ESC(ESP) control module harness connector.
Specification : Below 1Ω
Is the measured resistance within specification?
| ▶ Go to "Component Inspection" procedure |
| ▶ Repair open in harness, and go to "Verification of Vehicle Repair" procedure. |
