DTC C13A2/22: Engine / Power Switch Malfunction: Description

When the engine switch is turned on (IG), the IG operation power supply is output from the main body ECU. Power is then supplied from the luggage room junction block's RR-IG1 relay, which turns the RR-IG1 relay ON. Power is then supplied to the parking brake ECU.

DTC Code	Detection Condition	Trouble Area
C13A2/22	Both of following conditions are met: Engine switch is on (IG) When transmission control ECU, ECM or G sensor is communicating through CAN communication, operation power supply is not input from engine switch for approx. 3 sec.	RR-IG1-1 fuse D-IG1-3 fuse Luggage room junction block Main body ECU Electric parking brake ECU Wire harness or connector Engine switch