W/Harness Inspection
Engine Control
P0450 Evaporative Emission System Pressure Sensor/Switch - Inspection/Repair:_:W/Harness Inspection
Power supply circuit inspection
1. Ignition "OFF"
2. Disconnect NVLD connector.
3. Ignition "ON" & Engine "OFF"
4. Measure voltage between NVLD Power terminal of the NVLD harness connector and chassis ground.
Specification :B+
Terminal and Connection 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?