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 "Control Circuit Inspection" procedure. |
IG "OFF" and disconnect ETC Motor & TPS connector.
IG "ON".
Measure the voltage between ETC motor(+) control of ETC Motor & TPS harness connector and chassis ground.
Specification :Approx. 12V
Is the measured voltage within specification?
![]() | ▶ Go to "ETC motor(-) Control Circuit Inspection" procedure |
![]() | ▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure |
IG "OFF" and disconnect ETC Motor & TPS connector and ECM connector.
Measure the resistance between ETC motor (-) terminal of ETC Motor & TPS harness connector and ETC motor (-) terminal of ECM harness connector.
Specification : below 1Ω
Is the measured resistance within specification?
![]() | ▶ Go to "Component Inspection" procedure. |
![]() | ▶ Repair open in motor harness and go to "Verification of Vehicle Repair" procedure. |