On troubleshooting, if the ignition switch is turned ON while disconnecting connector(s), DTC(s) associated with other system may be set. On completion, confirm all systems for DTC(s). If DTC(s) are set, erase them all.
DTC No.
Diagnostic item
Reference page
B16A7
Taillight(RH) circuit short <Short circuit in the position light (RH) circuit or the taillight (RH) circuit>
B16A8
Taillight(LH) circuit short <Short circuit in the position light (LH) circuit, taillight (LH) circuit or the license plate light circuit>