W/Harness Inspection

Engine

Engine Control - P1505 Idle Speed Control Actuator Signal Low of Coil #1 - W/Harness Inspection

Power Supply Circuit Inspection

1. Ignition "ON" & Engine "OFF".
2. Measure voltage between terminal 2 of the valve harness connector and chassis ground.

Specification : Approx. B+




3. Is voltage within the Specification?






Signal Circuit Inspection

1. Measure voltage between terminal 1 of the valve harness connector and chassis ground.

Specification : Approx. 2 - 4 V




2. Is voltage within the Specification?






Terminal and Connector Inspection

1. 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.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?