1) Battery inspection
Check that the battery voltage is normal.
If the battery voltage is not normal, charge or replace the battery.
2) Fuse inspection
Check that the fuses are normal.
If there are any malfunctions such as a blowout, inspect and repair the cause of the blowout before replacing the fuses.
3) Ground inspection
Check that the ground point is normal.
Repair and clean the ground point if improperly installed or significantly dirty.
4) Inspection of harness and connector
Check that the harnesses and connectors are normal.
Inspect for poor connections at the connectors, failures such as worn or bent harnesses, or short circuits to other circuits in the wire inside the harness.
5) Electronic equipment inspection
Check for any interference from aftermarket electronic components such as wireless devices and lights.
Turn OFF, remove any aftermarket electronic components, etc., to ensure that there is no influence on inspections or operations.
Lock or unlock with each door lock button or key to check the operation.
Lock or unlock with the keyless entry function to check the operation.
Operate the hazard warning flasher switch or turn signal switch to check the turn signal light operation.
1) BCM inspection
Perform the body control system inspection. Observe the DTC with a scan tool, and go to the applicable DTC diagnosis if a DTC is set.
Inspect the BCM for malfunctions. Replace if an abnormal condition is found.
2) Turn signal light inspection
Inspect the turn signal light for malfunctions.
Replace if an abnormal condition is found.
3) Wireless Access Module inspection
Inspect the Wireless Access Module vehicle information individual programming setting.
Perform writing if a malfunction is found.
Inspect the following circuits for an open circuit, short circuit (power supply and ground), or high resistance.
If a malfunction is found in the circuit, repair or replace the applicable circuit.