3.
Has a problem been found?
YES
a.
Repair as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
a.
Go to "Signal Circuit Inspection" procedure.
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 as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
Go to "Signal Circuit Inspection" procedure.
Ignition "OFF".
Measure resistance between terminal "22" of the HECU harness connector and terminal "7" of the HECU harness connector.
Specification : Approx. 60Ω
Is the measured resistance within specifications?
YES
Fault is intermittent caused by open or short in CAN signal harnessor was repaired and HECU memory was not cleared. Go to "Verification of vehicle Repair" procedure.
NO
Check for open or short in CAN signal harness between terminal "22" of the HECU harness connector and terminal "7" of the HECU harness connector. Repair as necessary and then go to "Verification of vehicle Repair" procedure.
