Toyota Corolla Cross: Smart Key System (for Start Function, Hev Model)
READ NEXT:
PRECAUTION CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES
CAUTION: As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to
PARTS LOCATION ILLUSTRATION
*1 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*2 NO. 1 ENGINE ROOM RELAY BLOCK - IGP-MAIN RELAY ILLUSTRATION
*1 NO. 1 INDOOR ELECTRICAL
SYSTEM DIAGRAM SMART KEY SYSTEM (for Start Function)
SMART KEY SYSTEM (for Entry Function)
Click here
SEE MORE:
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION: Do not remove the reserve tank cap and air release valve while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
PROCEDURE
1. INSPECT RADIATOR CAP SUB-ASSEMB
DESCRIPTION The ECM constantly generates a 5 V power source voltage from the auxiliary battery voltage supplied to the +B, +B2 (BATT) terminals to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit.
When the VC circuit has a short circuit, th