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?
YES
Repair the trouble causing part and go to "Verification of Vehicle Repair"
NO
Go to "Power Circuit Inspection" as follows.
Ignition "OFF", Turn Engine "OFF"
Disconnect APS connector (M41)
Ignition "ON"
Measure the voltage of terminal 6 of APS connector.
Specification : 4.8V~5.1V
Is the measured voltage within the specification?
YES
Go to "Component Inspection"
NO
When measured voltage is below the specified value.
☞ Refer to P1522 Circuit Inspection.
When measured voltage is above the specified value.
☞ Refer to P1523 Circuit Inspection.