Many malfunctions in the electrical system are caused by poor harness 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 as necessary and go to "Verification of Vehicle Repair" procedure.
NO
Go to "Power Circuit Inspection" procedure.
Check for open or short in Power harness
Ignition "OFF".
Disconnect Alternator connector.
Ignition "ON" & Engine "OFF".
Measure voltage terminal 1 of Alternator harness connector and chassis ground.
Specification : Approx. 11.5V~13.0V
Is the measured voltage within specifications ?
YES
▶ Go to " Check for open or short in Charging warning harness" as below.
NO
▶ Check for open or short in the Chargnig warning harness.
Repair as necessary and go to "Verification of Vehicle Repair" procedure.
Check for open or short in Charging warning harness.
Ignition "OFF" & Engine "OFF".
Disconnect Alternator connector.
Ignition "ON" & Engine "OFF".
Measure voltage terminal 2 of Alternator narness connector and chassis ground.
Specification : Approx. 10.5V~12.0V
Is the measured voltage within specifications ?
YES
▶ Go to "System Inspection" procedure.
NO
▶ Check for open or short in the Charging warning harness.
Repair as necessary and go to "Verification of Vehicle Repair" procedure.